FotaUpdate v20

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Manual firmware update Cosmo Communicatior (v20 firmware)

The following guide explains how to manually update the Cosmo Communicator firmware from version 20 to version 21.

We received some reports from users that have troubles with the v20 version, including:

  • G-Pay not working when using tap-to-pay
  • Fingerprint sensor issues
  • Device reboot

If you are experiencing problems with the v20 firmware, you can follow this guide to manually update to version v21, which will fix the issues above. Please be aware that a factory reset will be necessary when updating to version v21. Make sure you copy all your data before proceed.

Before starting, make sure your current version is v20:

  1. Run the Settings application
  2. Scroll to the bottom and select Advanced
  3. Select Wireless update. Make sure your current verison is the same as in the following screenshot.

To manually install the v21 firmware proceed as follows:

  1. From your Cosmo, download the v21 over the air update here and save it in the default Downloads folder. The downloaded file is named
  2. The next step will move the file from the Downloads folder to the root of the internal storage:
    1. Run the Files application
    2. From the Downloads folder, long-tap on the file, then tap on the three-dots icon on the top left of the screen and select 'Move to...'
    3. Now tap on the three-dots icon on the top left of the screen again and select 'Show internal storage'
    4. On the left side, tap on the menu icon and then select Cosmo_Communicator
    5. Finally, tap on the MOVE button
  3. Now run the Settings application
  4. Scroll to the bottom and select Advanced
  5. Select Wireless update
  6. Now tap on the advanced menu icon on the top-right of the screen
  7. Select Local update and the 'Install Now' option

Your Cosmo will now start the installation of the v21 firmware. After the installation ends, your device will reboot and will ask for the current password. To proceed, enter any password and press the 'Reset' button. The device will begin a factory reset and after that your device will be updated to the new firmware.