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Huawei Mate 9 Magisk v14.0 auf v15.X

Hello,
I own the Huawei Mate 9 with the firmware from fRomFuture B197.
Rooted with Magisk v14.0. For some time now I keep getting update messages, from v15.0, v15.1 or last from v15.2.
The Magisk app is the latest.
My problem: When I go to update, I can patch the boot image file or choose Install Directly. No matter what I do of both, it works so far that the phone starts and so on. But if I go into TWRP purely, the internal memory is encrypted, even after such an update, always the Google Account out, and I have to log in again.
does anyone know the problem? Where do I go best, so that the v15.2 is out, but synonymous all sorts of data, apps and so is retained? What do the advanced options in the Magisk app (maintaining Force encryption or maintaining AVB 2.0 / dm-verity) mean?
Thank you

laptop45307 said:
Hello,
I own the Huawei Mate 9 with the firmware from fRomFuture B197.
Rooted with Magisk v14.0. For some time now I keep getting update messages, from v15.0, v15.1 or last from v15.2.
The Magisk app is the latest.
My problem: When I go to update, I can patch the boot image file or choose Install Directly. No matter what I do of both, it works so far that the phone starts and so on. But if I go into TWRP purely, the internal memory is encrypted, even after such an update, always the Google Account out, and I have to log in again.
does anyone know the problem? Where do I go best, so that the v15.2 is out, but synonymous all sorts of data, apps and so is retained? What do the advanced options in the Magisk app (maintaining Force encryption or maintaining AVB 2.0 / dm-verity) mean?
Thank you
Click to expand...
Click to collapse
If you have a sdcard, use that and place Magisk15.2.zip on it, then install in TWRP.
You are encrypted, that's why you can't find it. Maintain force encrypt means it won't turn off encryption in fstab. Maintain AVB/dm-verity means it won't remove the verity/avb flags in fstab.
You don't really need to worry about encryption if you use an sdcard. Verity could be good to remove if you want to edit /vendor, /system or /product partitions.
If you flash through TWRP it will remove encryption and dm-verity. Though encryption is not removed on Mate 9 because it's not looking for File-encryption, only forceencrypt.
The reason being that the Pixel phones lose support when the File-encryption flag is removed, so the dev of magisk removed it.
And if you wanted to remove encryption you need to Wipe - Format Data in twrp, which wipes /data so you should back up before you do it.
Only benefit of decrypting is the ability to backup the /data partition. If you don't plan on doing that you can stay encrypted.

And being sd int decrypted, Magisk deletes the Google account and data, so after that you will have to install everything again ... it has happened to me like this 2 times
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How to backup & restore Android 9/P/Pie with TWRP?

Because on https://twrp.me/google/googlepixel.html it says:
Decrypting Android 9.0 Pie when using a PIN / pattern / password does not work yet. We do not have an ETA for fixing decrypt. Restoring a backup made with an alpha using RC1 may result in loss of data including internal storage. If you need your backups from those versions, restore the backup using alpha2, then install RC1 and run a new backup with RC1.
Click to expand...
Click to collapse
I just flashed the official Android 9/P/Pie release (it did not fix the randomly dying microphone issue) and I want to do a full nandroid backup before I take my Pixel into UBreakIFix for a $0-80 fix because they require a locked bootloader and factory reset.
So do nandroid backups work or not?

SOLVED!
Answering my own question...
roirraW "edor" ehT said:
Since internal storage, where user apps and user and system app data are stored can't be decrypted, you'd definitely have to at least disable the pin/pattern/password, although you should confirm that doing so makes the storage readable in TWRP - it should.
Click to expand...
Click to collapse
According to this person, you must disable pin/pattern/password in order to decrypt the file system and allow nandroid backup & restore.
However, I just did a fastboot boot TWRP.img and it prompted me with my unlock pattern, and then it said "Data successfully decrypted". I checked, and I have access to the filesystem, and it even mounted to my connected laptop. So I'm testing this out. Backups completed successfully. I'll be trying a restore soon.
Archangel said:
The overwhelming response to what areas to tick when you back up has been system, boot, vendor and data,,,no images just the partitions. But that struggle is still on going LOL.
Click to expand...
Click to collapse
Backup & restore these 4 partitions (no images):
System, Boot, Vendor, and Data
(Note: for system and vendor you have to uncheck "mount system as readonly")
UPDATE:
Restoring my System and Vendor TWRP backups caused boot to hang at the G logo with an endless progress bar below the G.
However, doing a fastboot flash of System and Vendor factory images then restoring only my TWRP Data backup successfully restored my phone!
Except for one issue: fingerprints don't work. I think I may have screwed myself here by not disabling pin/pattern/password when I did the backup. For some reason TWRP had no problem decrypting then. But now, trying to restore, TWRP can't decrypt unless I disable pin/pattern/pass. It wont let me delete my old fingerprints or set new ones. Trying to unlock with fingerprint, it either doesn't respond at all or says "Fingerprint hardware not available"
UPDATE 2:
Followed instructions to clear the fingerprint data: [Guide] Delete fingerprint profils via TWRP. Everything is perfectly restored now! (Note: if you disable pin/pattern/pass before backup, you shouldn't need to do this)

[APP] Link to Migrate (MODIFIED) (Works with Peter's TWRP)

As the Dev isn't able to share it directly to this sub forum, I'll attach the link to his thread below :
https://forum.xda-developers.com/re...igrate-root-fixed-version-unofficial-t3944054
Here's the link : https://drive.google.com/file/d/1HUvqwmAH-qKTd0YMAg-Vc_9e8jeAPZDg/view

Your doing great jobs for rn 7 pro user please keep doing this.

yay..finally work 100% in peter twrp
important note ;
1. before make backup with migrate>>>go to preference>uncheck "use new method to calculate size"
2. in peter twrp flash migrate backup after flash rom,gapps, magisk and disable encryption
if error 7 still appears, just reboot to recovery and flash migrate backup again
thanks for make work again in our violet..
tested
aosp (100% work to restore all apps)
miui (some apps with split data failed to restore) fixed by reinstall app via playstore

afah_me said:
yay..finally work 100% in peter twrp
important note ;
1. before make backup with migrate>>>go to preference>uncheck "use new method to calculate size"
2. in peter twrp flash migrate backup after flash rom,gapps, magisk and disable encryption
if error 7 still appears, just reboot to recovery and flash migrate backup again
thanks for make work again in our violet..
tested
aosp (100% work to restore all apps)
miui (some apps with split data failed to restore) fixed by reinstall app via playstore
Click to expand...
Click to collapse
Yep totally works.

Works with encryption?
Sent from my Redmi Note 7 Pro using XDA Labs

adriansticoid0312 said:
Works with encryption?
Click to expand...
Click to collapse
Yes, I backed up on MIUI and restored from Pixel Experience while I was encrypted. Even though most apps and data were restored properly, it failed with a few apps (I don't remember their names).

Mine says nothing to restore after flash. Anyone with a fix?

Naveenthemi said:
As the Dev isn't able to share it directly to this sub forum, I'll attach the link to his thread below :
https://forum.xda-developers.com/re...igrate-root-fixed-version-unofficial-t3944054
Here's the link : https://drive.google.com/file/d/1HUvqwmAH-qKTd0YMAg-Vc_9e8jeAPZDg/view
Click to expand...
Click to collapse
Hmmm. ?

Recover files from /data: does installing TWRP and Magisk reset my storage

Trying to restore deleted files from /sdcard/Android/data/net.... which is not on an a real sdcard.
I have stock default Miui Global 10.3.5 on Android 9
The phone is unlocked.
I am on holiday, so if there is a risk it can go wrong I forget about the files...
I once rooted my Nexus 5, and used adb to obtain data from another phone.
Can I install TWRP without loosing data?
Subsequently can I install Magisk to install su, without reinstalling Miui?
Or does one has another method? (Undelete apps require root to undelete in data as well)
Thanx in advance!

I have the same problem, i cant root my Xioami mi Mix 2s

Unable to make nandroid backups due to error 255

Hello guys/gals!
I'm reaching out because I have not been able to make a nandroid backup on my OnePlus 7 Pro. When I attempt to do so in TWRP I get a error 255. I am running Stock OOS Stock rim & stock Kernel.
The only "mod" that I am using is Magisk. Can anyone please help me, I have been afraid to run/flash any mods because I don't want to screw something up and then not be able to restore from a previous backup so aside from Magisk my phone is at complete stock.
I only encounter error 255 when attempting to backup the data partition, all the other partitions backup just fine.
Please & thank you!

Try with latest .65 version from Mauronofrio

peteus said:
Try with latest .65 version from Mauronofrio
Click to expand...
Click to collapse
I'm already running it. During testing I discovered that if I boot twrp from pc via fastboot then I can then backup the data partition with no problem...but,if I boot twrp as usual then i can't backup the data partition because as I have previously mentioned, I get error 255.
Very weird... Any help would be greatly appreciated.
Thanks for trying peteus!

XBlackChaosX said:
I'm already running it. During testing I discovered that if I boot twrp from pc via fastboot then I can then backup the data partition with no problem...but,if I boot twrp as usual then i can't backup the data partition because as I have previously mentioned, I get error 255.
Very weird... Any help would be greatly appreciated.
Thanks for trying peteus!
Click to expand...
Click to collapse
I also had this problem, solved it using this post:
https://forum.xda-developers.com/on...tion-duplicated-google-play-services-t3953839
It was fairly straightforward on which account to remove for me.

If you've ever used the Parallel Apps feature, it's because of this. The Parallel Apps feature when using a cloned app, creates a separate folder for your cloned apps and TWRP can't distinguish what or where this folder is and fails when it gets to a certain point in the backup. There's a way to remove the folder to get a successful backup, I just can't remember how.

To successfully do nandroid backup only select the following in twrp ??
BOOT
DATA
SYSTEM IMAGE
VENDOR IMAGE

jkent900 said:
I also had this problem, solved it using this post:
https://forum.xda-developers.com/on...tion-duplicated-google-play-services-t3953839
It was fairly straightforward on which account to remove for me.
Click to expand...
Click to collapse
Thank you! I saved this in case I ever have 255 error.