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Unlock bootloader (ALE-L21)

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homer5439

New member
Aug 1, 2021
2
0
I have a factory reset ALE-L21 (2015) with android 6. Firmware is ALE-L21C109B582, EMUI 4.0.3. I've gone through most guides on this site, and I can't find one that works.
https://forum.xda-developers.com/t/...nd-install-any-custom-rom-ale-l23-21.3977067/ suggests I should downgrade to android 5, but I can't copy anything to /dload as the filesystem is read-only (so adb tells me when I try to push).
I don't have su installed, so I can't run the command su -c "grep -m1 -aoE 'WVLOCK.{14}[0-9]{16}' /dev/block/mmcblk0p7 |grep -aoE '[0-9]{16}'" (which is also suggested in many places) to extract the unlock code (running without su gets a permission denied error, as expected).
I also don't have an external SD card (though I see there is a writable /sdcard directory in the filesystem).
Are there any options in my situation?
 
Last edited:

amageek

Senior Member
Jan 25, 2016
678
195
Kathmandu
ASUS ROG Phone II
I have a factory reset ALE-L21 (2015) with android 6. Firmware is ALE-L21C109B582, EMUI 4.0.3. I've gone through most guides on this site, and I can't find one that works.
https://forum.xda-developers.com/t/...nd-install-any-custom-rom-ale-l23-21.3977067/ suggests I should downgrade to android 5, but I can't copy anything to /dload as the filesystem is read-only (so adb tells me when I try to push).
I don't have su installed, so I can't run the command su -c "grep -m1 -aoE 'WVLOCK.{14}[0-9]{16}' /dev/block/mmcblk0p7 |grep -aoE '[0-9]{16}'" (which is also suggested in many places) to extract the unlock code (running without su gets a permission denied error, as expected).
I also don't have an external SD card (though I see there is a writable /sdcard directory in the filesystem).
Are there any options in my situation?
was there already a folder named dload at the root of the Internal Memory? I unlocked my phone when I was on Android 5 using KingRoot and that command. It should probably work too... If there's no "dload" folder then you need to create it and place the UPDATE.APP file on the folder...
 

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