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5.1.1 to 5.0.2 downgrade boot loop


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Guest Atsushi1
Posted

Ok so at the beginning of yesterday I flashed a 5.1.1 rom via twrp just to see how the new update is. It was euricoalex rom from xda http://abelhas.pt/euricoalex/Smart+6+Ultra/euricoalex_deodexed,186114386.zip(archive. When I was ready to go back to my original rom that I just came from I did a nandroid restore via twrp. But the thing is the phone boots until "Android is upgrading Starting apps" then I get a blue screen and it force shuts down and restarts over and over again. I thought this may be down to a corrupt restore so I tried out other 5.0.2 roms on this site do the same thing. I have about 7 backups from my previous 5.0.2 rom  and none of them seem to work. When I flash 5.1.1 roms they boot normally and everything works fine. The thing is I want to get my data back. So what should I do?

Guest Atsushi1
Posted
18 minutes ago, euricoalex said:

Install twrp recovery for 5.0 version

Ok so after I flash the 5.0.2 twrp recovery and I try to go to it the phone force shut downs. 

Guest Atsushi1
Posted
5 minutes ago, euricoalex said:

Weird try to flash again and wipe

wipe what? dalvik cache or something else

Guest Atsushi1
Posted
4 minutes ago, euricoalex said:

Everything

Just a speculation but if I wipe internal storage and can't access twrp don't i have a bricked devices  

Guest Atsushi1
Posted
18 minutes ago, euricoalex said:

Wipe data cache and dalvik

Just did that and the phone force shuts down when trying to enter recovery 

Guest euricoalex
Posted

Try to download again maybe file have some error or try stock recovery

Guest Atsushi1
Posted

I think i've finally fixed the issue. Basically I flashed the su6.stock.update.nowipe.zip on twrp 5.1.1 and somehow it got past the lock screen. There were loads of errors like com.process.phone has stopped and  com.android.systemui has stopped. Slowly I got to settings to check if I what version I was on, it was on 5.0.2. Then I powered down and went to recovery and restored without any glitches apart the time was wrong 

Guest BlueMoonRising
Posted
2 hours ago, Atsushi1 said:

I think i've finally fixed the issue. Basically I flashed the su6.stock.update.nowipe.zip on twrp 5.1.1 and somehow it got past the lock screen. There were loads of errors like com.process.phone has stopped and  com.android.systemui has stopped. Slowly I got to settings to check if I what version I was on, it was on 5.0.2. Then I powered down and went to recovery and restored without any glitches apart the time was wrong 

You'll always have the time bug until you upgrade to some version of 5.1.1

Guest LiNe171
Posted

Not really. Already had the time bug on 5.1.1 but wipe cache fixed it.

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