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Fix empty slot issue in Moto G54 5G

Prerequisites

  • Tiny fastboot script: Download
  • Your device firmware (a version older than the one you wish to be): Download

Info

Verify the software channel of your device and download the firmware accordingly.

Check if you have an Empty slot

  • Connect your device with a PC in fastboot mode.
  • Open command prompt Type the following command and hit enter
fastboot getvar all

You will get output about slot informations, like this

(bootloader) slot-successful:_a: yes

(bootloader) slot-successful:_b: no

(bootloader) slot-unbootable:_a: no

(bootloader) slot-unbootable:_b: yes
  • Check the lines with slot_unbootable
  • If it says "yes" then you need to fix it

Fixing of empty slot(s)

To fix empty slot, follow the steps below:

  • Extract both Tiny Fastboot Script and Firmware in the same folder.

scripts

  • Run flash.bat

  • Use the default bootloader version (1st option)

  • Press 5 to flash full firmware and factory reset.

scripts

  • Wait for the process to complete.
  • Reboot your device into system and complete the setup process.
  • Go to settings and check for system update.
  • Install the update and reboot your device.

Enjoy Flashing

Now both of your slots are filled and you can install Custom ROM without any issues.