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I need to completely delete all user data and revert to factory state
1. Factory reset does NOT delete all user and application data
2. Tried formatting /data in recovery, that too leaves application data on the phone
3. Have wiped everything in CWM that says wipe.
User data remains. I feel like I'm at war with the undead. What's the garlic and silver bullet solution to wiping all data off an Android device?
mrnaz said:
I need to completely delete all user data and revert to factory state
1. Factory reset does NOT delete all user and application data
2. Tried formatting /data in recovery, that too leaves application data on the phone
3. Have wiped everything in CWM that says wipe.
User data remains. I feel like I'm at war with the undead. What's the garlic and silver bullet solution to wiping all data off an Android device?
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Click to collapse
try these apps Forever Gone
SHREDroid
My File Shredder
Did you wipe SDCARD in CMW? It should be in "mount and storage" .
Sent from my GT-I9100 using xda premium
*#3676#
Format flash volume
Careful, can't be undone
Or
*2767*3855#
Sent from my GT-I9100 using XDA
Do a factory reset and make sure you tick format USB.
You have been deleting all data. The best I can guess is that when you boot up your phone after the wipe, is that when you log into your Gmail account you are letting it auto restore your settings and installed apps from the Internet.
The answer to this question seems very elusive... any suggestions?
I wan't to wipe cach dalvick system and memory storage, i know that i will lose all my data, but i wan't to know if i will lose twrp too ?
No body know ?
nope...your twrp will keep even if you do fty reset and wiping system, cache & data in twrp.
abihary said:
nope...your twrp will keep even if you do fty reset and wiping system, cache & data in twrp.
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Tnx dear friend
can you help me? I was in deodex 09/28 and went to mcaosp, gave full wipe and the whole procedure to install rom, but when I reboot / bootar it shows failure to decrypt. but I've never encrypted and put password for anything, I gave it again fullwipe including cache and internal storage, but still the same error
Edi1: Android starts normal, but asks password to decrypt how does this? I did not put any password
You need to format data partition, not wipe.
In wipe menu select format data, then have to type yes and tap enter.
It will erase internal also so backup first if you need to.
Hi everyone,
I have a issue with my device I wiped system cache and vendor dalvik cache but skipped data as I always do but for some reason I am unable to decrypt data after clean install of Lineage OS. Actually I wanted to remove Magisk so I just wiped those and installed same version of Lineage that was on my device. Even TWRP is unable to decrypt now. Any help is appreciated.
kundancool said:
Hi everyone,
I have a issue with my device I wiped system cache and vendor dalvik cache but skipped data as I always do but for some reason I am unable to decrypt data after clean install of Lineage OS. Actually I wanted to remove Magisk so I just wiped those and installed same version of Lineage that was on my device. Even TWRP is unable to decrypt now. Any help is appreciated.
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I have same issues as well. Did you manage to find a solution?
I tried to flash whatever LineageOS ROM was available but I was unable to decrypt as after a time I got message that the encrypted block might have been corrupted since my password was correct it can not decrypt full data and partial decryption was not possible.
I had to WIPE ALL and start afresh again. But I would suggest you to try different versions (different build dates) of Stock LineageOS ROM to try to decrypt data before you give up.
Last resort if WIPE ALL and start afresh as there is no way that I know of for partial decryption or external backup and decryption.
kundancool said:
I tried to flash whatever LineageOS ROM was available but I was unable to decrypt as after a time I got message that the encrypted block might have been corrupted since my password was correct it can not decrypt full data and partial decryption was not possible.
I had to WIPE ALL and start afresh again. But I would suggest you to try different versions (different build dates) of Stock LineageOS ROM to try to decrypt data before you give up.
Last resort if WIPE ALL and start afresh as there is no way that I know of for partial decryption or external backup and decryption.
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would you mine explain some more about WIPE ALL? Like in formatting? Because format is no used for me and I did make sure there is no password.
Wipe All means: Wiping Data + Cache + Internal Storage
(complete fresh start of ROM without anything on phone, similar to formatting all data on device or factory reset on stock decies)
Well you should only do Format data only as last resort to make phone usable since decryption is no more possible.
kundancool said:
Wipe All means: Wiping Data + Cache + Internal Storage
(complete fresh start of ROM without anything on phone, similar to formatting all data on device or factory reset on stock decies)
Well you should only do Format data only as last resort to make phone usable since decryption is no more possible.
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Click to collapse
Well I tried everything you mentioned and nothing work. All i got is a while bunch of "error opening" "permission denied" with my internal storage. And bootloop if i install anything not Lineage based
Well installing other ROMs other than official LineageOS ROMs will not work. It seems either your storage has been corrupted like mine was.
If that is the case then formatting data and storage could be the only solution to make your phone work again, but that will mean you are starting from fresh on your phone without any data. (YOU WILL LOSE ALL ENCRYPTED DATA.)
In LineageOS you have to completely wipe data to remove encryption. There's no other way.