--- title: Troubleshooting apps slug: zero/apps/troubleshoot description: Learn about common Flipper Zero app errors and ways to resolve them image: https://archbee-image-uploads.s3.amazonaws.com/3StCFqarJkJQZV-7N79yY/LxpQvAbUtf7L7WVmGCJj7_troubleshooting-flipper-zero-apps-preview.png docTags: createdAt: 2024-02-22T15:37:06.477Z --- ![](https://api.archbee.com/api/optimize/3GUDYkC5JgUWgo6RW8piO-basNAlxjFKPChEvTxc7Q3-20241025-131758.png) If you create apps for Flipper Zero, refer to this page to find solutions to common errors. *** # App Not Found You might see this message because: | **Potential reason** | **Solution** | | ----------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | You have a beta version of the Flipper Mobile App. | Install the Flipper Mobile App from the [App Store](https://apps.apple.com/us/app/flipper-mobile-app/id1534655259) or [Google Play](https://play.google.com/store/apps/details?id=com.flipperdevices.app\&pli=1). | | The app’s file was deleted from your Flipper Zero. | Update or reinstall the app.

*or*[ Update your Flipper Zero firmware](https://docs.flipper.net/zero/basics/firmware-update) to the latest official firmware from the Release channel. | | Your custom firmware was forked from the official firmware incorrectly. | [Install the official Flipper Zero firmware ](https://docs.flipper.net/zero/basics/firmware-update)from the Release channel. | | You have a custom mobile application. | Install the Flipper Mobile App from the [App Store](https://apps.apple.com/us/app/flipper-mobile-app/id1534655259) or [Google Play](https://play.google.com/store/apps/details?id=com.flipperdevices.app\&pli=1). | *** # Invalid File You might see this message because: | **Potential reason** | **Solution** | | --------------------------------------------------- | ---------------------------- | | The header in the ELF file is corrupted. | Update or reinstall the app. | | File content is corrupted or incomplete. | Update or reinstall the app. | | ELF file sections couldn’t be loaded and processed. | Update or reinstall the app. | *** # Manifest Invalid The manifest is a special section of the ELF file that contains information about the API version and other data. You might see this message because: | **Potential reason** | **Solution** | | --------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------- | | The ELF file is new, but the firmware is old. | [Update your Flipper Zero firmware](https://docs.flipper.net/zero/basics/firmware-update) to the latest official firmware from the Release channel. | | The firmware is new, but the ELF file is old. | Update the app. | | The ELF file is corrupted. | Update the app. | *** # Missing Imports You might see this message because: | **Potential reason** | **Solution** | | ---------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------- | | This app has been created for the latest firmware and doesn’t work with your older firmware version. | [Update your Flipper Zero firmware](https://docs.flipper.net/zero/basics/firmware-update) to the latest official firmware from the Release channel. | | This app is built for a different firmware version or a firmware fork. | Install the firmware version the app was built for, or find the app version that was made for your firmware. | *** # HW Target Mismatch This error appears if an app was created for a different Flipper device model. *** # Outdated App You might see this message because: | **Potential reason** | **Solution** | | ----------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | This app is too old and is not compatible with your current firmware version. | Update the app:
* On desktop: Go to [Flipper Lab -> Apps](https://lab.flipper.net/apps) and click **Installed** at the top-right corner. Find the app you need and update it. * On Flipper Mobile App: Go to the **Apps** tab and select **Installed** at the top. Find the app you need and update it. | | This app was built for a different firmware version or firmware fork. | Install the firmware version the app was built for, or find the app version that was built for your firmware. | *** # Outdated Firmware You might see this message because: | **Potential reason** | **Solution** | | ---------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------- | | This app was created for the latest firmware and is not compatible with your older firmware version. | [Update your Flipper Zero firmware](https://docs.flipper.net/zero/basics/firmware-update) to the latest official firmware from the Release channel. | | This app was built for a different firmware version or firmware fork. | Install the firmware version or firmware fork the app was built for. |