Hi everyone :)
I'm running out of ideas, maybe someone here will be able to give me a hand.
I have a D855 on stock rom (marshmallow), no root (it used to be rooted on LP, but I guess the update to MM 6 months ago disabled it, right?)
Right after turning the wifi on, my phone rebooted by itself, started ok and I was able to use it normally.
The next day, same thing happened, but this time it couldn't reach the lock screen : I'm stuck in bootloop, right back to the LG Logo after it "optimizes app 52 to 52" and "Android is starting".
The phone is still on warranty, but I'd like to backup my contacts (and maybe texts) before droping the phone there.
(I tought sync with my google account was on, but apparently it's not the case, and I lost the 2 last years of contacts...)
I can access the reset factory mode (not an option for the moment since I'd like to backup)
I can access the download mode : I did a Normal Flash with a MM stock rom through LG Flash Tool 2014, flash succeeded but same bootloop problem at the end.
I can access the phone while in download mode via "LG Mobile Support Tool". I tried the "recovery after error" option, it downloaded the last KDZ (I guess) + flashed the phone, but same bootloop problem occurs at the end.
I guess there is a wifi hardware problem which causes the reboot. Is there any possibility to switch off the wifi module before start up? Maybe if wifi module is off, I will be able to turn it on and do a quick backup...
Or, is it still possible to flash a recovery system so I can do a nandroid backup and try to get the infos I need from that? (thought I think I need to be rooted to do so, and don't think I can since the bootloop problem)
Thanks for reading, and hopefully someone will have an idea :)
I'm running out of ideas, maybe someone here will be able to give me a hand.
I have a D855 on stock rom (marshmallow), no root (it used to be rooted on LP, but I guess the update to MM 6 months ago disabled it, right?)
Right after turning the wifi on, my phone rebooted by itself, started ok and I was able to use it normally.
The next day, same thing happened, but this time it couldn't reach the lock screen : I'm stuck in bootloop, right back to the LG Logo after it "optimizes app 52 to 52" and "Android is starting".
The phone is still on warranty, but I'd like to backup my contacts (and maybe texts) before droping the phone there.
(I tought sync with my google account was on, but apparently it's not the case, and I lost the 2 last years of contacts...)
I can access the reset factory mode (not an option for the moment since I'd like to backup)
I can access the download mode : I did a Normal Flash with a MM stock rom through LG Flash Tool 2014, flash succeeded but same bootloop problem at the end.
I can access the phone while in download mode via "LG Mobile Support Tool". I tried the "recovery after error" option, it downloaded the last KDZ (I guess) + flashed the phone, but same bootloop problem occurs at the end.
I guess there is a wifi hardware problem which causes the reboot. Is there any possibility to switch off the wifi module before start up? Maybe if wifi module is off, I will be able to turn it on and do a quick backup...
Or, is it still possible to flash a recovery system so I can do a nandroid backup and try to get the infos I need from that? (thought I think I need to be rooted to do so, and don't think I can since the bootloop problem)
Thanks for reading, and hopefully someone will have an idea :)
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