Q| D802 secure boot Error!

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deadwolf666

Senior Member
May 12, 2012
191
5
Hello,
I have a d802 tnat is stuck on boot certification verify error after trying to root, now I cant get to os nor download mode it can be recognized only on linux and the following tut didnt work for me :
http://xdaforums.com/showthread.php?t=2582142&highlight=cert
any other thing I can try ?
thank you .

I understand I need to unlock the bootloader but how can I do that with no fastboot or adb ?
 
Last edited:
bender_007

bender_007

Senior Member
Dec 6, 2010
5,091
3,520
Zagreb
Google Pixel 4
What exactly isn't working ?

Keep the phone off, connect it to pc - /running ubuntu or any other linux you like/

then

sudo -i

ls /dev/sd*

first let it cycle the partitions which it's trying to mount.
 
D

deadwolf666

Senior Member
May 12, 2012
191
5
bender_007 said:
Are you sure you're flashing the right way? Just asking. Just ash aboot, boot, laf
Click to expand...
Click to collapse

Yep Im sure I double check the partition number and file location, also the output is corect (time and size).
So after flashing the files from the tutorial I long press the power button to reset and then I see the same error...
Any other options ?
 
D

deadwolf666

Senior Member
May 12, 2012
191
5
I tried that but it wont go to download mode. It turns on directly to lg logo with the error

Sent from my GT-I9300 using XDA Free mobile app
 
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