# TRMNL Help Center > Device setup and tips from the TRMNL team. ## General - [How to set up a new device](https://help.trmnl.com/en/articles/9416306-how-to-set-up-a-new-device.md): Unboxing and connecting TRMNL for the first time. - [TRMNL mobile app](https://help.trmnl.com/en/articles/10041383-trmnl-mobile-app.md): How to use TRMNL on your iPhone or Android. Sort of. - [Frequently Asked Questions](https://help.trmnl.com/en/articles/8797283-frequently-asked-questions.md): Pricing, use cases, and more. - [Custom plugins with Apple Shortcuts](https://help.trmnl.com/en/articles/10108737-custom-plugins-with-apple-shortcuts.md): Build TRMNL plugins directly from your Apple device. - [How refresh rates work](https://help.trmnl.com/en/articles/10113695-how-refresh-rates-work.md): Understanding when and how your device content is updated. - [Plugin recipes](https://help.trmnl.com/en/articles/10122094-plugin-recipes.md): Sharing private plugins for other users to install. - [Mashups](https://help.trmnl.com/en/articles/10168132-mashups.md): How to build split-screen plugins. - [International Customs / Duty Fees](https://help.trmnl.com/en/articles/10498361-international-customs-duty-fees.md): Pricing impact when buying TRMNL from abroad. - [Mirroring a Device](https://help.trmnl.com/en/articles/10530871-mirroring-a-device.md): Sharing content from one device to another. - [How to change my time zone](https://help.trmnl.com/en/articles/10575123-how-to-change-my-time-zone.md): Set a time zone from your user profile. - [Redirect Plugin](https://help.trmnl.com/en/articles/11035846-redirect-plugin.md): MITM your device \<\> core web app request / response journey. - [Sleep Mode](https://help.trmnl.com/en/articles/11129379-sleep-mode.md): Understanding what, why, and how a TRMNL goes to sleep. - [Refer & Earn](https://help.trmnl.com/en/articles/10345253-refer-earn.md): Benefits and ideas for sharing TRMNL with your network. - [User level API Keys](https://help.trmnl.com/en/articles/11195228-user-level-api-keys.md): Features and tools that require this token. - [Portrait mode](https://help.trmnl.com/en/articles/11396258-portrait-mode.md): When you like your rotation and orientation to be taller, not wider, portrait mode can be enabled for many devices, including BYOD. - [How to unpair / re-pair a device](https://help.trmnl.com/en/articles/11546838-how-to-unpair-re-pair-a-device.md): Unlink your TRMNL to give to someone else. - [429 Rate Limit](https://help.trmnl.com/en/articles/11652861-429-rate-limit.md): Understanding this error screen on your device. - [Playlist Scheduler](https://help.trmnl.com/en/articles/11663305-playlist-scheduler.md): Dictate what you want to see, and when, on your TRMNL devices. - [Refund and Exchange Policy](https://help.trmnl.com/en/articles/11753628-refund-and-exchange-policy.md): Terms, conditions, and policy for TRMNL return inquiries. - [Volume Pricing](https://help.trmnl.com/en/articles/11872041-volume-pricing.md): Discounts for bulk or group orders. - [How to cancel an order](https://help.trmnl.com/en/articles/12026411-how-to-cancel-an-order.md): Change your mind? Get an instant refund. - [Timezone Troubleshooting with Calendars and Other Plugins](https://help.trmnl.com/en/articles/12384412-timezone-troubleshooting-with-calendars-and-other-plugins.md): Calendar plugins use your account's timezone, while plugins may use a form field, your account's timezone, or nothing at all. - [Create a Custom Sleep Screen](https://help.trmnl.com/en/articles/12387950-create-a-custom-sleep-screen.md): Using playlist scheduling, the important flag, and the plugin of your choice, you can set a custom sleep screen so that your device saves energy while displaying whatever you wish while in sleep mode. - [Troubleshooting an Unresponsive Device](https://help.trmnl.com/en/articles/12407673-troubleshooting-an-unresponsive-device.md): If your device seems stuck, bricked, dead, broken, frozen, displays double-images or ghosting, or is otherwise generally not responding, not turning on, or not working, this troubleshooting guide m... - [How to Change Screens](https://help.trmnl.com/en/articles/12410440-how-to-change-screens.md): Don't want to wait to refresh? You can manually switch the display to the next screen on your playlist with the push of a button. - [How to Contact Support](https://help.trmnl.com/en/articles/12410454-how-to-contact-support.md): Need more help? Contact our support through online chat or email. - [What is a Virtual Device](https://help.trmnl.com/en/articles/12410512-what-is-a-virtual-device.md): A virtual device is a software only device that allows developers to start building and testing before the physical hardware arrives. - [Developer Edition Features](https://help.trmnl.com/en/articles/12410549-developer-edition-features.md): Learn what benefits a developer license offers for your device. - [BOYD / BYDO / BDYO](https://help.trmnl.com/en/articles/12494392-boyd-bydo-bdyo.md): Did you mean BYOD \(Bring Your Own Device?\) - [TRMNL Hackathons](https://help.trmnl.com/en/articles/12591595-trmnl-hackathons.md): We run regular plugin hackathons focused on a specific theme, awarding prizes to the top plugins submitted and additionally discounts for participants who submit quality entries. - [Flammability Ratings for Devices](https://help.trmnl.com/en/articles/12511853-flammability-ratings-for-devices.md): Explaining what testing and ratings have been done for TRMNL devices in regards to fire safety. - [Find your Friendly ID](https://help.trmnl.com/en/articles/12632379-find-your-friendly-id.md): Understanding your TRMNL's unique and human-friendly identifier. - [So richtest du dein neues Gerät ein](https://help.trmnl.com/en/articles/12593804-so-richtest-du-dein-neues-gerat-ein.md): Auspacken und dein TRMNL zum ersten Mal verbinden Deutschsprachige Anleitung/German Quickstart Guide - [Partnerships and Collaborations](https://help.trmnl.com/en/articles/12677762-partnerships-and-collaborations.md): We are always open to chat about a partnership opportunities. Let's talk! - [TRMNL is \(not\) a clock](https://help.trmnl.com/en/articles/12746770-trmnl-is-not-a-clock.md): Why the device is not designed to show the actual time - [Understanding Color Palettes](https://help.trmnl.com/en/articles/12985974-understanding-color-palettes.md): It's not all black and white - [Account Deletion](https://help.trmnl.com/en/articles/13639812-account-deletion.md): How to remove your data from TRMNL. - [TRMNL X Not Broadcasting TRMNL Network](https://help.trmnl.com/en/articles/14170056-trmnl-x-not-broadcasting-trmnl-network.md): You unboxed your new TRMNL X and it's showing firmware 1.7.5 and stating to connect to "TRMNL-XXXX" network to complete setup, but it's not broadcasting. - [TRMNL X in Portrait Mode Shows Landscape Screen](https://help.trmnl.com/en/articles/14501849-trmnl-x-in-portrait-mode-shows-landscape-screen.md): The TRMNL X was, prior to April 9, 2026, showing portrait on a paricular plugin or recipe, but suddenly started showing the landscape screen. Alternatively, some plugins show landscape, others show... - [Turning Off the TRMNL X](https://help.trmnl.com/en/articles/14553723-turning-off-the-trmnl-x.md): Whether you are going away for an extended period or are shipping it, the TRMNL X can be turned off to conserve battery. - [On-demand plugin refresh](https://help.trmnl.com/en/articles/15123293-on-demand-plugin-refresh.md): The new plugin sync strategy that keeps your content fresh ## Plugin Guides - [GitHub Commit Graph](https://help.trmnl.com/en/articles/8797310-github-commit-graph.md) - [Days Left \(This Year\)](https://help.trmnl.com/en/articles/8797325-days-left-this-year.md) - [Google Calendar](https://help.trmnl.com/en/articles/9483539-google-calendar.md): View your upcoming schedule and appointments. - [YouTube Analytics](https://help.trmnl.com/en/articles/9483658-youtube-analytics.md): See how your channel is doing, hands-free. - [Shopify](https://help.trmnl.com/en/articles/9502507-shopify.md): Sales and order stats, at your fingertips. - [Private Plugins](https://help.trmnl.com/en/articles/9510536-private-plugins.md): Build a custom plugin with our simple WYSIWYG editor. - [Simple Analytics](https://help.trmnl.com/en/articles/9575334-simple-analytics.md): Monitor web traffic, in peace. - [Lunch Money](https://help.trmnl.com/en/articles/9613508-lunch-money.md): Simplified personal finances. - [Polymarket](https://help.trmnl.com/en/articles/9643261-polymarket.md): Popular predictions, ending soon. - [The Office](https://help.trmnl.com/en/articles/9654172-the-office.md): Your favorite quotes from your favorite show. - [Readwise](https://help.trmnl.com/en/articles/9787214-readwise.md): Get the most out of what you read. - [beehiiv](https://help.trmnl.com/en/articles/9883235-beehiiv.md): The newsletter platform built for growth - [Google Analytics](https://help.trmnl.com/en/articles/9922832-google-analytics.md): Web traffic and visitor analytics. - [Upcoming Movies](https://help.trmnl.com/en/articles/9977737-upcoming-movies.md): What's playing in theaters, now or in the near future. - [Todo List](https://help.trmnl.com/en/articles/9977738-todo-list.md): Simple tracker that supports "doing" and "done" lists. - [Shopping List](https://help.trmnl.com/en/articles/9977739-shopping-list.md): Simple tracker for upcoming purchases. - [Salesforce](https://help.trmnl.com/en/articles/9986527-salesforce.md): Opportunity views at a glance. - [Statuspage](https://help.trmnl.com/en/articles/9987937-statuspage.md): Uptime and incident tracking for your tools. - [Stock Price](https://help.trmnl.com/en/articles/10031211-stock-price.md): Public securities valuation by ticker - [Weather](https://help.trmnl.com/en/articles/10033272-weather.md): Your local forecast. - [Gumroad](https://help.trmnl.com/en/articles/10075558-gumroad.md): See how much stuff you're selling. - [Email Meter](https://help.trmnl.com/en/articles/10113402-email-meter.md): Benchmark stats from your Gmail or Microsoft inbox. - [ChatGPT](https://help.trmnl.com/en/articles/10140115-chatgpt.md): What can ChatGPT help you with? - [RSS Feed](https://help.trmnl.com/en/articles/10186142-rss-feed.md): Get updates from your favorite website, blog and online publications - [Outlook Calendar](https://help.trmnl.com/en/articles/10208408-outlook-calendar.md): View your upcoming schedule, apointments, and tasks. - [Screenshot](https://help.trmnl.com/en/articles/10302121-screenshot.md): Capture any web page. - [Screensaver](https://help.trmnl.com/en/articles/10302141-screensaver.md): Peaceful graphics to keep you in flow. - [GitHub Contributors](https://help.trmnl.com/en/articles/10302147-github-contributors.md): Summarized committer progress. - [Language Learning](https://help.trmnl.com/en/articles/10302173-language-learning.md): Discover new words in your target language. - [Apple Calendar](https://help.trmnl.com/en/articles/10313980-apple-calendar.md): Know what's on your schedule. - [Fastmail Calendar](https://help.trmnl.com/en/articles/10316976-fastmail-calendar.md): Know what's on your schedule. - [Custom plugin filters](https://help.trmnl.com/en/articles/10347358-custom-plugin-filters.md): Improve content formatting with Liquid and localizations. - [Nextcloud Calendar](https://help.trmnl.com/en/articles/10356811-nextcloud-calendar.md): Know what's on your schedule. - [Tempest Weather Station](https://help.trmnl.com/en/articles/10447991-tempest-weather-station.md): Dedicated e-ink screen for your local climate. - [Eight Sleep](https://help.trmnl.com/en/articles/10467974-eight-sleep.md): Sleep and recovery stats from your mobile app. - [Custom plugin form builder](https://help.trmnl.com/en/articles/10513740-custom-plugin-form-builder.md): Create user-facing configuration fields with YAML. - [Importing and exporting private plugins](https://help.trmnl.com/en/articles/10542599-importing-and-exporting-private-plugins.md): You worked hard developing your plugin - now share it! - [Compare custom plugin types](https://help.trmnl.com/en/articles/10546870-compare-custom-plugin-types.md): There are several ways to build a plugin - which is right for your application? - [Parcel](https://help.trmnl.com/en/articles/10670813-parcel.md): Track package deliveries - [Liquid 101](https://help.trmnl.com/en/articles/10671186-liquid-101.md): Start building custom TRMNL plugins with no coding experience. - [Advanced Liquid](https://help.trmnl.com/en/articles/10693981-advanced-liquid.md): Pro tips for TRMNL plugin templating. - [Alias Plugin](https://help.trmnl.com/en/articles/10701448-alias-plugin.md): Fetch encrypted content from any origin. - [Debugging native plugins](https://help.trmnl.com/en/articles/11135276-debugging-native-plugins.md): Resolve markup, data visibility, and more in the browser. - [Recipe best practices](https://help.trmnl.com/en/articles/11395668-recipe-best-practices.md): Tips to get your plugin published with great UX and functionality. - [Using Google Sheets with Private Plugins](https://help.trmnl.com/en/articles/11400219-using-google-sheets-with-private-plugins.md): How to turn a spreadsheet into a server and a database. - [Using Google Docs with Private Plugins](https://help.trmnl.com/en/articles/11404697-using-google-docs-with-private-plugins.md): How to turn a document into a server and a database. - [Image Display](https://help.trmnl.com/en/articles/11479051-image-display.md): Serve graphics you already control. - [Debugging private plugins](https://help.trmnl.com/en/articles/11586187-debugging-private-plugins.md): Resolve API, markup, JavaScript, and more in the browser. - [Testing your Alias or Redirect plugin](https://help.trmnl.com/en/articles/11628971-testing-your-alias-or-redirect-plugin.md): How to quickly check on proxied graphics and JSON. - [Weather icons](https://help.trmnl.com/en/articles/11823386-weather-icons.md): Access our hosted icon pack for your own plugins. - [Notion](https://help.trmnl.com/en/articles/11882090-notion.md): Display pages and databases. - [Withings](https://help.trmnl.com/en/articles/12145603-withings.md): Weight and health data. - [PurpleAir](https://help.trmnl.com/en/articles/12147860-purpleair.md): Display sensor data from the PurpleAir Ecosystem - [TRMNL Companion for iOS](https://help.trmnl.com/en/articles/12294875-trmnl-companion-for-ios.md): Sync data from Apple like Calendars, Health, Reminders, Shortcuts, and Home. - [Plugin in a Degraded State \(Reset\)](https://help.trmnl.com/en/articles/12384091-plugin-in-a-degraded-state-reset.md): How to reset warning messages about a plugin being in a degraded state and to prevent refreshes from stopping due to the failure to fetch a URL or because of an invalid URL. - [Missing Data in Multiple Polling URLs](https://help.trmnl.com/en/articles/12385769-missing-data-in-multiple-polling-urls.md): Plugins can collect data via the polling strategy, and can include multiple URLs in a single plugin by separating each URL by a line break. - [Grayscale: 1-bit, 2-bit, 4-bit in Framework](https://help.trmnl.com/en/articles/12386214-grayscale-1-bit-2-bit-4-bit-in-framework.md): The plugin design Framework supports 16 levels of greyscale, with and without dithering depending on hardware/firmware capabilities and plugin settings. 1bit, 2bit, 4bit. - [Unexpected Events Showing in Calendar](https://help.trmnl.com/en/articles/12386506-unexpected-events-showing-in-calendar.md): If your calendar is displaying event information that you don't recognize or is not visible in your calendar source \(e.g. Apple Calendar\), especially if it is in a language foreign to you, you may ... - [Plugin Not Receiving Data from Polling URL](https://help.trmnl.com/en/articles/12386583-plugin-not-receiving-data-from-polling-url.md): When a polling URL is accessible with your browser, but is not returning any data in Your Variables within your plugin, it may be blocking our cloud rendering server connection. - [Creating Inline Images for Plugins](https://help.trmnl.com/en/articles/12391781-creating-inline-images-for-plugins.md): You can reduce a network dependency and point of failure on your plugin by replacing network requests for SVG icons in the Title Bar with inline SVG code using a few online tools and Liquid markup. - [Using the TickTick Plugin](https://help.trmnl.com/en/articles/12406573-using-the-ticktick-plugin.md): Our built-in integration with TickTick.com allows you to pull your Project Tasks into your TRMNL easily. - [Framework Design Docs](https://help.trmnl.com/en/articles/12410486-framework-design-docs.md): When building plugins, the Framework design documents provide the tools necessary for readability, layout, and functionality when designing plugins. - [What fonts are used in Framework?](https://help.trmnl.com/en/articles/12494341-what-fonts-are-used-in-framework.md): Fonts selected for TRMNL are designed to look great on e-ink devices. It's important to consider that the PNG screen generated will look different on an LCD monitor vs the e-ink display. - [Home Assistant Integration](https://help.trmnl.com/en/articles/12494449-home-assistant-integration.md): Are there any Home Assistant recipes or plugins? Yes! - [Using Data Mode to Redesign a Native Plugin](https://help.trmnl.com/en/articles/12306729-using-data-mode-to-redesign-a-native-plugin.md): The Plugin Merge strategy let's you rewrite the markup for native plugins, such as Weather, to customize it exactly how you prefer. - [Fera](https://help.trmnl.com/en/articles/12632936-fera.md): Ecommerce product and merchant review analytics. - [Workflowy](https://help.trmnl.com/en/articles/12676959-workflowy.md): View your flows and lists - [Import: The ZIP file does not contain settings.yml](https://help.trmnl.com/en/articles/12687284-import-the-zip-file-does-not-contain-settings-yml.md): Importing a plugin and getting an error? Here are a few troubleshooting steps. - [Gaffa](https://help.trmnl.com/en/articles/12766127-gaffa.md): News from any site, extracted and summarized for your TRMNL. - [Demo Data for Publishing Plugins](https://help.trmnl.com/en/articles/12772238-demo-data-for-publishing-plugins.md): When you are ready to take your private plugin and turn it into a public recipe, so others can benefit from your work, it's important to make sure you don't leak personal information in the recipe ... - [Plugins::Base.process! -\> StandardError: private\_plugin](https://help.trmnl.com/en/articles/12814634-plugins-base-process-standarderror-private_plugin.md): Your new plugin's screen won't generate. After turning on debug logs, your private plugin generates errors about marionette or a TCP connection. - [Is there a plugin for...](https://help.trmnl.com/en/articles/12814732-is-there-a-plugin-for.md): Looking for a specific plugin? Here's every public plugin and community recipe we have. - [Plugin Composer](https://help.trmnl.com/en/articles/12881005-plugin-composer.md): Design plugins for small screens with simple drag-and-drop - [Netatmo Weather Station](https://help.trmnl.com/en/articles/13179789-netatmo-weather-station.md): Dedicated e-ink screen for your local climate. - [Webhook Image](https://help.trmnl.com/en/articles/13213669-webhook-image.md): Push custom images to your TRMNL display from any script, service, or automation. - [Reusing Markup with Shared](https://help.trmnl.com/en/articles/13216853-reusing-markup-with-shared.md): Whether it is Liquid logic or using a template to render content, the Shared tab of the plugin builder is used by all markup views. - [Home Assistant Screenshot](https://help.trmnl.com/en/articles/13281388-home-assistant-screenshot.md): Display your smart home dashboards on TRMNL e-ink displays - [Using the Asana plugin](https://help.trmnl.com/en/articles/13455940-using-the-asana-plugin.md): Display your Asana tasks on your TRMNL. - [Syncing Plugins with GitHub](https://help.trmnl.com/en/articles/13465101-syncing-plugins-with-github.md): Using two workflows in GitHub Actions, push and pull changes between TRMNL and GitHub for your plugins to always keep them in sync. - [Skipping Screens within Plugin Markup](https://help.trmnl.com/en/articles/13615138-skipping-screens-within-plugin-markup.md): The special TRMNL\_SKIP\_SCREEN\_GENERATION and TRMNL\_SKIP\_DISPLAY variables allow the plugin to be in control on whether it will be updated or seen. - [Nano Banana Dashboard](https://help.trmnl.com/en/articles/13692805-nano-banana-dashboard.md): Transform your plugin data to scenic dashboards - [Dropbox Photo Album](https://help.trmnl.com/en/articles/13933176-dropbox-photo-album.md): Stream photos from a private folder. - [API Catalog](https://help.trmnl.com/en/articles/14136603-api-catalog.md): Endpoints to accelerate custom plugin development. - [Proton Calendar](https://help.trmnl.com/en/articles/15786936-proton-calendar.md): View your upcoming schedule and appointments. ## Hardware - [Why is BYOD needed for Kindle?](https://help.trmnl.com/en/articles/11672796-why-is-byod-needed-for-kindle.md): Understanding how device mirroring works for non-native devices. - [Device Models](https://help.trmnl.com/en/articles/11547008-device-models.md): Understanding the device switcher dropdown for BYOD / DIY devices. - [TRMNL for iPad](https://help.trmnl.com/en/articles/11647459-trmnl-for-ipad.md): Convert your Apple tablet into a TRMNL device. - [Calculating BYOD and Dev Edition add-ons](https://help.trmnl.com/en/articles/11629486-calculating-byod-and-dev-edition-add-ons.md): Determine how many licenses you need, based on your goals. - [TRMNL for Android](https://help.trmnl.com/en/articles/11647499-trmnl-for-android.md): Convert your Android device into a TRMNL. - [Hardware specs for Custom authorities](https://help.trmnl.com/en/articles/11327036-hardware-specs-for-custom-authorities.md): EC related content to pass inspections in your country. - [Finding your TRMNL Serial](https://help.trmnl.com/en/articles/11510216-finding-your-trmnl-serial.md): For debugging and customer support. - [Replacement parts](https://help.trmnl.com/en/articles/11565162-replacement-parts.md): Hardware options to repair or modify your TRMNL. - [How to replace your kickstand](https://help.trmnl.com/en/articles/11360753-how-to-replace-your-kickstand.md): In case you remove it or need replacement parts. - [Keeping your TRMNL plugged in](https://help.trmnl.com/en/articles/11186878-keeping-your-trmnl-plugged-in.md): Tips to preserve the life of your device. - [Applying the screen \(anti glare\) protector](https://help.trmnl.com/en/articles/10217443-applying-the-screen-anti-glare-protector.md): What is this screen film thing in my box? - [Device battery FAQ](https://help.trmnl.com/en/articles/10556850-device-battery-faq.md): On charging and predicting your TRMNL's energy. - [How to Assemble your TRMNL](https://help.trmnl.com/en/articles/10003236-how-to-assemble-your-trmnl.md): Closing up your device safely. - [How to Disassemble your TRMNL](https://help.trmnl.com/en/articles/10003228-how-to-disassemble-your-trmnl.md): Opening up your device safely. - [Finding your TRMNL Mac Address](https://help.trmnl.com/en/articles/10614205-finding-your-trmnl-mac-address.md): For debugging and customer support. - [How to replace your internal components](https://help.trmnl.com/en/articles/12082769-how-to-replace-your-internal-components.md): In case you change them yourself or receive replacement parts for a screen \(EPD\), PCB board, or battery, we'll cover step-by-step how to disconnect the internals of a TRMNL OG unit. - [Registering your MAC address](https://help.trmnl.com/en/articles/12247206-registering-your-mac-address.md): Understanding this firmware error screen - [Seeed Studio Devices: Xiao, DIY Kit, and reTerminal](https://help.trmnl.com/en/articles/12408721-seeed-studio-devices-xiao-diy-kit-and-reterminal.md): We partnered with Seeed Studio so customers of their hardware could benefit from the plugin ecosystem and screen generation features of TRMNL via a BYOD license. - [TRMNL Mounting Options](https://help.trmnl.com/en/articles/12410189-trmnl-mounting-options.md): Our community of creators has designed multiple 3d printable mounts for attaching a TRMNL to fridges, IKEA organizers, servers, and more. This also includes frames and other aesthetic designs. - [Is Bluetooth Available for TRMNL Devices?](https://help.trmnl.com/en/articles/12494427-is-bluetooth-available-for-trmnl-devices.md): TRMNL devices have a Bluetooth module as part of their chipset, however it currently is not used or supported by our firmware. - [Tidbyt](https://help.trmnl.com/en/articles/12430929-tidbyt.md): Integrate your Gen1 or Gen2 device with TRMNL. - [Display Calibration for BYOD Devices](https://help.trmnl.com/en/articles/13171449-display-calibration-for-byod-devices.md): Tweaking the render output on your custom display. - [Connect your Xteink X4 to TRMNL](https://help.trmnl.com/en/articles/13563787-connect-your-xteink-x4-to-trmnl.md) - [Device Static IPs](https://help.trmnl.com/en/articles/13673576-device-static-ips.md): Increase security and accessibility on your local network. ## Firmware - [Special Functions](https://help.trmnl.com/en/articles/9672080-special-functions.md): How to set up custom behaviors on your device. - [Device / WiFi troubleshooting](https://help.trmnl.com/en/articles/10193157-device-wifi-troubleshooting.md): Understanding error screens and connection issues. - [Enable WiFi Pairing Mode](https://help.trmnl.com/en/articles/11511577-enable-wifi-pairing-mode.md): Add or change your local network settings. - [Manually flash firmware](https://help.trmnl.com/en/articles/10271569-manually-flash-firmware.md): How to set your device to a specific firmware version - [FW1.6.2 troubleshooting](https://help.trmnl.com/en/articles/11934315-fw1-6-2-troubleshooting.md): Tips to roll back or force-update your device. - [Put your TRMNL in "flashing mode"](https://help.trmnl.com/en/articles/11936721-put-your-trmnl-in-flashing-mode.md): Recover a device with malfunctioning firmware. - [DNS and Network Requests for Firewall Whitelists](https://help.trmnl.com/en/articles/12386067-dns-and-network-requests-for-firewall-whitelists.md): If there is a corporate firewall or even a private DNS filter on your network, like Pi-Hole, learn what domains should be whitelisted for TRMNL devices to retrieve new screens. - [Sound During Screen Refresh](https://help.trmnl.com/en/articles/12409934-sound-during-screen-refresh.md): If your device is making an audible sound during screen refresh, such as a buzz or buzzing noise, here are some options to assist you if you wish to minimize or remove the sound. - [What is fast refresh?](https://help.trmnl.com/en/articles/12512481-what-is-fast-refresh.md): What is fast refresh, and how it effects the way the screen flashes or flickers when changing content. - [Tuning a washed out display](https://help.trmnl.com/en/articles/12566040-tuning-a-washed-out-display.md): Using temperature profiles to improve color and shadows or adjust the amount of flashing used to clear the previous image. - [QA Pass or Fail Message](https://help.trmnl.com/en/articles/13222330-qa-pass-or-fail-message.md): Your TRMNL device is showing a screen that says either "Pass" or "Fail" and a further message about temperatures and QA test. - [Customizing TRMNL with Tailor](https://help.trmnl.com/en/articles/13545834-customizing-trmnl-with-tailor.md): Customize your splash screen and logo with TRMNL Tailor, saved directly to the firmware without interfering with firmware updates. - [WPA2 Enterprise WiFi](https://help.trmnl.com/en/articles/13722338-wpa2-enterprise-wifi.md): Connect to secure WiFi networks at work or your basement bunker. ## Advanced - [LLM-ready docs](https://help.trmnl.com/en/articles/11157496-llm-ready-docs.md): Navigate TRMNL guides with AI friendly formatting. - [Setting up TRMNL on tricky Wi-Fi situations](https://help.trmnl.com/en/articles/11663377-setting-up-trmnl-on-tricky-wi-fi-situations.md): Get your device running on captive-portal, WPA/WPA-2 Enterprise, and \(many\) corporate Wi-Fi environments. - [Translations and Localizations](https://help.trmnl.com/en/articles/10371653-translations-and-localizations.md): Accessibility improvements for your language or region. - [Reset 2FA](https://help.trmnl.com/en/articles/11735136-reset-2fa.md): Disabling multi factor authentication on your TRMNL account. - [TRMNL+ FAQ](https://help.trmnl.com/en/articles/11861887-trmnl-faq.md): Benefits of \(optionally\) subscribing to Plus. - [Command Palette](https://help.trmnl.com/en/articles/12132075-command-palette.md): Navigate TRMNL like a pro. - [Connect your Device to Terminus \(BYOS\)](https://help.trmnl.com/en/articles/12263392-connect-your-device-to-terminus-byos.md): How to point your TRMNL to a self hosted BYOS solution. - [How to Preload WiFi Credentials](https://help.trmnl.com/en/articles/12513240-how-to-preload-wifi-credentials.md): If you want to preset wireless SSID and Password for a recipient you are gifting the TRMNL to and need it to "just work" when they turn it on, your TRMNL can be set with and store multiple WiFi net... - [BYOD: Enter My MAC Address](https://help.trmnl.com/en/articles/12601005-byod-enter-my-mac-address.md): If you get the error, "Please match the requested format" when entering the MAC address in your device settings, you need to check the characters you use. - [Dynamic Polling URLs](https://help.trmnl.com/en/articles/12689499-dynamic-polling-urls.md): Customize and generate API endpoints on the fly. - [Preloading and Maintaining Managed Devices for Individuals](https://help.trmnl.com/en/articles/12835885-preloading-and-maintaining-managed-devices-for-individuals.md): Deliver the value of TRMNL to your team without giving over software access or plugin management. They connect the device to WiFi and it just works. - [Ways to Distribute Devices and Plugins to Borrowed Devices](https://help.trmnl.com/en/articles/12838614-ways-to-distribute-devices-and-plugins-to-borrowed-devices.md): If an employer wants to provide TRMNL devices to its employees and make sure company information is available, there are a few ways to do this: managed device mirroring, unmanaged with unlisted plu... - [Parsing plugins with the Sandbox Runtime](https://help.trmnl.com/en/articles/12996946-parsing-plugins-with-the-sandbox-runtime.md): Advanced feature for private plugins with large payloads. - [AI Agent](https://help.trmnl.com/en/articles/14130438-ai-agent.md): Build custom plugins without writing any code. - [Serverless](https://help.trmnl.com/en/articles/14130649-serverless.md): Build custom plugins in any language with a free VM. - [UI Framework versioning](https://help.trmnl.com/en/articles/14135346-ui-framework-versioning.md): Pick the right Framework dependency for your plugins - [Plugin Markup Version Control](https://help.trmnl.com/en/articles/14136474-plugin-markup-version-control.md): Simple undo / redo functionality for your plugin layouts. - [Visual Editor \(IDE\)](https://help.trmnl.com/en/articles/14726819-visual-editor-ide.md): A fully featured web UI for plugin development. - [Home Assistant powered Calendar](https://help.trmnl.com/en/articles/15901219-home-assistant-powered-calendar.md): Set up a privacy-first calendar integration with Home Assistant.