Cannot flash twrp-3.2.3-0-cedric.img (Motorola Moto G5) ("Image not signed or corrupt")

Question

I have followed all the steps of this guy but flashing twrp-3.2.3-0-cedric.img failed.



When I open my Ubuntu console and type fastboot flash recovery /home/username/folder/twrp-3.2.3-0-cedric.img, it says:



(bootloader) slot-count: not found

(bootloader) slot-suffixes: not found

(bootloader) slot-suffixes: not found

(bootloader) has-slot:recovery: not found

target reported max download size of 536870912 bytes

sending 'recovery' (14572 KB)...

OKAY [  0.463s]

writing 'recovery'...

(bootloader) Image not signed or corrupt

OKAY [  0.502s]

finished. total time: 0.965s


What did I do wrong? Did I use the wrong version? Looking at this similar problem did not help me. sudo fastboot flash recovery /home/username/folder/twrp-3.2.3-0-cedric.img does not help either.


— Nemgathos | Sources

Answer

The locked bootloader doesn’t let unsigned images to be flashed. So, the Image not signed... error indicates that there is a possibility of the bootloader not being unlocked.




  • Make sure the bootloader is unlocked.

  • Make sure you are using right version of TWRP for your device.

  • Try fastboot boot /path/to/twrp.img instead of flashing. If it boots, flash the recovery image from within the recovery. Afterwards, any zip should be successfully flashed (custom ROM, GApps, mods etc.).


— Irfan Latif | Sources

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