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kerstin92
kerstin92
2:39 PM
Hi alecxs, this is honestly very interesting, but doesn't offer a solution for the problem at hand. I'm currently facing two conflicting advices:

1.) "Boot loop is caused by app settings in packages.xml and, since this configuration file is stored in the protected /data partition, all hope is lost. I would have to defeat TEE in order to get root access without triggering a full data wipe, then decrypt the /data partition in order to save my data."

vs.

2.) "Flashing the firmware using the HOME_CSC instead of CSC firmware file will repair Android without wiping your data."
Both you and user "Robert" seem to belong to "faction 1", whereas other users seem to have been successful with flashing HOME_CSC. Which is the correct answer?
 
 
1 hour later…
alecxs
alecxs
4:00 PM
@kerstin92 boot loop can have several issues. different users may report different problems and different solutions. It's your challenge to figure out which one applies. please report back if 1) or 2) is wrong
 
alecxs
alecxs
4:23 PM
*reasons
 
 
2 hours later…
alecxs
alecxs
6:41 PM
@kerstin92 anything in /data (aka userdata partition) is user specific data and dynamically generated on usage, therefore no "stock" package-restrictions.xml exist. factory reset (aka erasing userdata) will restore device to stock factory state including all system and bloat apps you formerly "uninstalled" (disabled) - excluding user apps not included in stock ROM, they are gone unless downloaded and installed again from google play
 
alecxs
alecxs
7:16 PM
@kerstin92 download mode is protocol for flashing raw partitions. Odin will neither decrypt nor modify partition content on file system level. if you extract tar.md5 files you will notice difference between CSC and HOME_CSC (userdata.img missing)
 
alecxs
alecxs
7:52 PM
@kerstin92 from your xda link regarding 2) @ecpz: "tried flashing using newer firmware version and home_csc but I am still stuck in a bootloop"
 
alecxs
alecxs
8:31 PM
I strongly recommend do not try to upgrade or downgrade neither android version nor bootloader level. there is no way to undo this. encryption depends on several factors, like
VENDOR_PATCH_LEVEL
BOOT_PATCH_LEVEL
OS_PATCH_LEVEL
OS_VERSION
 
alecxs
alecxs
8:56 PM
while upgrading to higher android version without data loss is possible (if version gap is not too big), on downgrading you will lose the ability to decrypt if any factor has marked encryption keys as invalid. regardless of CSC or HOME_CSC take care of special options in Odin such as flashing pit file (CSC) or checkbox for repartitioning - do not flash pit file or repartition!
 

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