Unable to mount /data - Samsung Galaxy S7 Questions and Answers

Hi all! 2 weeks ago I got the S7.
First thing I did was installing root and xposed.
Then I followed this guide to install root and recovery. At the beginning it was all good, despite some errors (described below). When I rebooted the phone SuperSU was working and root was granted.
Today I initiated titanium backup and root failed. When I tried to start SuperSU I got a messsage saying SuperSU is not installed and can't be installed. Quite confusing.
After that I started TWRP. Trying to install SuperSU again gave me the error message in the image below.
Do any of you know where the problem could be? I Googled for a while and found some older Galaxies have a corrupt memory issue that could be similar. Could this be my problem? Any guidance for solving it?
The device is working for now but I don't dare to reinstall any ROM or touching anything. I'm scared it'll die on me and I really like this phone.
Thanks a lot guys!
G930FXXU1APB4
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I saw my phone is encrypted, but there's no option to change it
I skiped 10 step in the twrp guide, colud this be the problem? but... why was root working some days ago and not anymore?

Had the security policy updated, right? That destroys SU. There are plenty threads about that one already.

centroi said:
I saw my phone is encrypted, but there's no option to change it
I skiped 10 step in the twrp guide, colud this be the problem? but... why was root working some days ago and not anymore?
Click to expand...
Click to collapse
To remove Samsung encryption you must format your data in twrp, otherwise root will not work.

TheSproker said:
To remove Samsung encryption you must format your data in twrp, otherwise root will not work.
Click to expand...
Click to collapse
Will it work? in twrp the data partition show 0mb in all parts, cant read data partition. Should I format anyway?
Thank you!

centroi said:
Will it work? in twrp the data partition show 0mb in all parts, cant read data partition. Should I format anyway?
Thank you!
Click to expand...
Click to collapse
Yes, it worked for me. Just follow the 10.th step of this guide: http://forum.xda-developers.com/galaxy-s7/development/recovery-official-twrp-herolte-t3333770

TheSproker said:
Yes, it worked for me. Just follow the 10.th step of this guide: http://forum.xda-developers.com/galaxy-s7/development/recovery-official-twrp-herolte-t3333770
Click to expand...
Click to collapse
IT's solved.
Thank you!!

centroi said:
IT's solved.
Thank you!!
Click to expand...
Click to collapse
You're welcome

TheSproker said:
Yes, it worked for me. Just follow the 10.th step of this guide: http://forum.xda-developers.com/galaxy-s7/development/recovery-official-twrp-herolte-t3333770
Click to expand...
Click to collapse
will this method work on HTC 820G+ am experiencing the same problem.

Related

Error updating my CM12S OTA

Everytime i get this error in TWRP once my device restarts to update a newly downloaded OTA.
http://dl-1.va.us.xda-developers.co....png?key=Cwhmi0kMAXNX0fvd0_AFMQ&ts=1431660495
Tried Cyan delta, did not work.
Help please
in_core said:
Everytime i get this error in TWRP once my device restarts to update a newly downloaded OTA.
http://dl-1.va.us.xda-developers.co....png?key=Cwhmi0kMAXNX0fvd0_AFMQ&ts=1431660495
Tried Cyan delta, did not work.
Help please
Click to expand...
Click to collapse
Can't see the screenshot...
SimonTS said:
Can't see the screenshot...
Click to expand...
Click to collapse
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Running the latest TWRP?
You can always flash the OTA manually from the OTA Download folder if you wish.
SimonTS said:
Running the latest TWRP?
You can always flash the OTA manually from the OTA Download folder if you wish.
Click to expand...
Click to collapse
I installed the TWRP around 3 months back. At that time it was the latest version. I assume its not the latest anymore.
And regarding flashing manually: Should i just "Install"? Or do I need to wipe and what not? And will I lose data?
in_core said:
I installed the TWRP around 3 months back. At that time it was the latest version. I assume its not the latest anymore.
And regarding flashing manually: Should i just "Install"? Or do I need to wipe and what not? And will I lose data?
Click to expand...
Click to collapse
The latest TWRP is 2.8.6.0
You should be able to install the OTA without any issues at all - but it may be worth wiping the caches anyway.
Previous threads if you'd searched "OTA TWRP"
http://forum.xda-developers.com/oneplus-one/help/problem-update-cm12-t3091501
http://forum.xda-developers.com/oneplus-one/help/official-ota-file-placed-t3090903
and
http://forum.xda-developers.com/oneplus-one/help/ota-t3072467 - which is your own previous thread
SimonTS said:
The latest TWRP is 2.8.6.0
You should be able to install the OTA without any issues at all - but it may be worth wiping the caches anyway.
Previous threads if you'd searched "OTA TWRP"
http://forum.xda-developers.com/oneplus-one/help/problem-update-cm12-t3091501
http://forum.xda-developers.com/oneplus-one/help/official-ota-file-placed-t3090903
and
http://forum.xda-developers.com/oneplus-one/help/ota-t3072467 - which is your own previous thread
Click to expand...
Click to collapse
Its worked like a charm. Thanks. By the way mu current TWRP version is 2.8.5.1. How can i update it to the latest?
in_core said:
Its worked like a charm. Thanks. By the way mu current TWRP version is 2.8.5.1. How can i update it to the latest?
Click to expand...
Click to collapse
Install it?
SimonTS said:
Install it?
Click to expand...
Click to collapse
Just downloaded the .img file from twrp's website for my device.
So how to instal .img file?
Sorry if I am being noobish here, but I am not sure thats why i am asking.
Nevermind. Found it already. Used TWRP Manager from Playstore to update

twrp - can't install this package on top of incompatible data

i have followed all the steps using NRT to unlock boot-loader and root the phone.
Installed TWRT manager and flashed the recovery.
Now i am trying to flash CM12 for the first time and stuck with error message "can't install this package on top of incompatible data" during flashing .
downloaded the following flash zip from CM website: cm-12.1-20150901-SNAPSHOT-YOG4PAO237-hammerhead.zip (281.77 MB)
Can any one help me what needs to be done to proceed further.
i didnt wipe the data before. Now its working and closing the thread
I wiped everything on my phone via TWRP. Still getting this error!
This topic is old but in case someone else gets here I got a solution - Change /data partition filesystem to ext4 or other supported by ROM
mesaj said:
This topic is old but in case someone else gets here I got a solution - Change /data partition filesystem to ext4 or other supported by ROM
Click to expand...
Click to collapse
How did you do that?
dsarcinelli said:
How did you do that?
Click to expand...
Click to collapse
http://forum.xda-developers.com/nexus-4/help/guide-detailed-f2fs-manual-format-guide-t3264185
This guide might help, you do it in TWRP by going to Format > Advanced > select partition > Change filesystem > Ext4
Wiping data worked for me
2sumanth said:
i didnt wipe the data before. Now its working and closing the thread
Click to expand...
Click to collapse
In twrp, I had to fumble around to find advance wipe to clear data but worked like charm after that.
Thank you!
xiaomi note 4g dior
Let me tell my story,
My friend gave me an old xiaomi note 4g which was stuck at the MI icon on boot,
Luckily the phone did not lock boot-loader
So I use xiaomi flash rom to flash global room , it worked after i tried sometimes.
Then I booted to the phone, and other problem came, the phone was linked with an Mi Account , and my friend forgot everything about it
not email, no phone number
I did a search and they said the only way to bypass the MiAccount is using a Resurrection ROM or balallala
so I ended up with using
1. fastboot to install twrp
2. open twrp --> open adb sideload mode.
3. Open window command line and install Resurrection ROM though adb sideload
While installing rom though adb slideload , i got the same issue with topic
SO i cleared data and tried again,
IT WORKED , NO MORE ****ING MiAccount
THANK a lot
:fingers-crossed::fingers-crossed::fingers-crossed::fingers-crossed:
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Hi
Playing with my wife's Nexus 5, bootloader unlocked, rooted, and latest TWRP installed but when trying to flash from android 6.0.1 to Lineage, I'm getting an error 7 image shown I hope.....
Is this just because I haven't wiped the data first ? (I'm fairly sure but...)
I dont dare try 'cause if it's not that she'll kill me, so would like to be sure before I wipe all her data..
Thanks
Update, it was that I just wiped all except the SD and flashed, all is just great

SuperSU - which version for MM B820/B831? [SOLUTION]

Does anybody know which version of SuperSU is working on B820/B831?
I tried the one on multitool -> No root access.
Then I tried 2.62, 2.65, 2.67, 2.76 -> None of them are working.
2.62 works fine
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Sent from my H60-L04 using Tapatalk
hamzio7 said:
2.62 works fine
Sent from my H60-L04 using Tapatalk
Click to expand...
Click to collapse
Are you on b831?
Do I have to "unroot" before I "install" another SuperSU-Version? How do I do that (restore)?
Have 2.76 on B820.
Did you successfully install it and have it in your launcher? If so, try to allow every root access without promt. If it works then I have a solution for you.
gammaanimal said:
Have 2.76 on B820.
Did you successfully install it and have it in your launcher? If so, try to allow every root access without promt. If it works then I have a solution for you.
Click to expand...
Click to collapse
Thanks for your help!!!
At first I tried to install it with mulitool. There was a symbol then, but when I started it there was a error message. When I tried to install other versions there was no installed supersu-app and I couldn't install it from Googleplaystore or manually.
borg17a said:
Thanks for your help!!!
At first I tried to install it with mulitool. There was a symbol then, but when I started it there was a error message. When I tried to install other versions there was no installed supersu-app and I couldn't install it from Googleplaystore or manually.
Click to expand...
Click to collapse
Ok, weird. Just to make sure: You download this zip file:
https://download.chainfire.eu/969/SuperSU/UPDATE-SuperSU-v2.76-20160630161323.zip
(from the xda-thread)
Copy it where ever you find it (like sd-card). Start into TWRP recovery. Select Flash/Install (dont remember the exact menu entry), choose the zip file, let it install.
After that TWRP will probably ask you if it should root your phone, because it seems not to be rooted. Dont do that! Dont exactly know why, but you definitly dont need that, TWRP is wrong here.
PS: Multitool doesnt have EMUI 4.0 for L04 yet last time I checked
Yeah. I tried it again 5 min. ago. I installed it 2 times. Still no app.
Maybe it has something to do with b831?
What do you want to say me with the PS?
I installed a B831-image I found on the Internet. Everything works so far!
borg17a said:
Yeah. I tried it again 5 min. ago. I installed it 2 times. Still no app.
Maybe it has something to do with b831?
What do you want me to say with the PS?
I installed a B831-image I found on the Internet. Everything works so far!
Click to expand...
Click to collapse
Hm sry man, i dont know then. Hope you find the solution soon
Found a solution
This guide worked for me (European Honor, Marshmallow, B831).
http://www.pantomath.xyz/honor-6-root-guide-marshmallow-emui-4-0-twrp/
Not all root Apps are working [deleted]
[deleted]

Samsung Galaxy Note 2 Lineage OS Not Working

Hello everyone, I have recently been trying to gain compatibility with Lineage OS 16(Android 9 Pie) along with Open GApps, following all the steps of many tutorials, however it does not work at all. Unfortunately, I am inexperienced with this as this is my first time rooting a phone. I loaded the phone into TWRP, however loading the OS shows the loading screen, but then just goes back into TWRP. I apologize if someone has already made a post on this, however I couldn't find anyone having this problem on this device. I used Kingoroot since I didn't have a data cable on myself at the time, so that could be an issue with the bootloader...? I'm really not sure, and help would be much appreciated.
I didn't do this on the Note 2 forum because it is not hard to say that forum is barely viewed, and it could take weeks for me to get a response.
Before I deleted the original OS, it was on Android Kit Kat
hypixel said:
Before I deleted the original OS, it was on Android Kit Kat
Click to expand...
Click to collapse
I have issue too except i didnt use Kingroot but use odin.
i tried to flash the rom and got the following error msg. I attached screenshot. Does anyone have any solutions to this?
The zip file is lineage-16.0-20200101-unofficial-t0lte.zip
My phone is SGH-T889. It specifically says the zip file is for this model but somehow it doesnt recognise my phone model. Did i wipe something that wipe that along??
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Much thanks
Ok, i resesrch some and got rid of the Error 7 msg by deleting the "assert" lines in the updater.script
But now i get Error 6. Anyone with any ideas?
Android_noop said:
I have issue too except i didnt use Kingroot but use odin.
i tried to flash the rom and got the following error msg. I attached screenshot. Does anyone have any solutions to this?
The zip file is lineage-16.0-20200101-unofficial-t0lte.zip
My phone is SGH-T889. It specifically says the zip file is for this model but somehow it doesnt recognise my phone model. Did i wipe something that wipe that along??
View attachment 5263095
Much thanks
Click to expand...
Click to collapse
Have you tried different roms, or only this one?
hypixel said:
Have you tried different roms, or only this one?
Click to expand...
Click to collapse
Only this one
Android_noop said:
Ok, i resesrch some and got rid of the Error 7 msg by deleting the "assert" lines in the updater.script
But now i get Error 6. Anyone with any ideas?
View attachment 5263799
Click to expand...
Click to collapse
Hey, I found out that the issue (at least for me) was that my phone did not have enough storage/the partitions were creating the issue. I am not sure how to solve this, but you may be having the same issue
hypixel said:
Hey, I found out that the issue (at least for me) was that my phone did not have enough storage/the partitions were creating the issue. I am not sure how to solve this, but you may be having the same issue
Click to expand...
Click to collapse
Did u wipe before install?
If one wipes then installs, there should be enough storage space right?
Android_noop said:
Did u wipe before install?
If one wipes then installs, there should be enough storage space right?
Click to expand...
Click to collapse
Yes, I did wipe, however I think the issue is that the phone is creating partitions. This phone was bought many years ago, so it is also possible that the storage is innsuficient for newer versions of Android.
hypixel said:
Yes, I did wipe, however I think the issue is that the phone is creating partitions. This phone was bought many years ago, so it is also possible that the storage is innsuficient for newer versions of Android.
Click to expand...
Click to collapse
Well how did people install this OS onto their note2 on youtube??
Android_noop said:
Well how did people install this OS onto their note2 on youtube??
Click to expand...
Click to collapse
I think that they bought higher storage models

Recovery issue - Stock on boot-loop after patriation changes

Hi,
I tried to Root my POC F2 Pro device today, and I got stuck on boot-loop.
After installing TWRP I didn't manage to find the files in the internal storage (Something to do with storage encryption.) so I saw some videos and Change the partition to exFAT and then to EXT4 and from that moment everything went to hell.
I can't do anything and the device is not botting up. When I try do to anything like installing and new Global room/Wipe/Repair - I get this:
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I saw several posts about it, but nothing works for me. like:
- https://forum.xda-developers.com/t/cant-mount-system-vendor-odm.4143981/
I will appreciate any help that I can get
Thanks,
Aviran
AviranBhahar said:
Hi,
I tried to Root my POC F2 Pro device today, and I got stuck on boot-loop.
After installing TWRP I didn't manage to find the files in the internal storage (Something to do with storage encryption.) so I saw some videos and Change the partition to exFAT and then to EXT4 and from that moment everything went to hell.
I can't do anything and the device is not botting up. When I try do to anything like installing and new Global room/Wipe/Repair - I get this:
View attachment 5421729
I saw several posts about it, but nothing works for me. like:
- https://forum.xda-developers.com/t/cant-mount-system-vendor-odm.4143981/
I will appreciate any help that I can get
Thanks,
Aviran
Click to expand...
Click to collapse
Can you enter in fasboot mode?
If yes https://forum.xda-developers.com/t/guide-use-xiaomi-flash-tool.4262425/
DAAMMM WOW man...! I searched for a solution all night and didn't find anything no matter how hard I tried.
In one comment you fixed everything! Really (really) appreciated!
Thanks again!
@NOSS8 Maybe you can help me root my phone...?
After I installed the TWRP, I enter recovery mode and I see 0MB in the 'Internal Storage'.
I have PIN to the phone, but it's not asking me to write it down when I boot to recovery.
What can I do?
AviranBhahar said:
@NOSS8 Maybe you can help me root my phone...?
After I installed the TWRP, I enter recovery mode and I see 0MB in the 'Internal Storage'.
I have PIN to the phone, but it's not asking me to write it down when I boot to recovery.
What can I do?
Click to expand...
Click to collapse
Which Twrp did you use?
Which rom?
NOSS8 said:
Which Twrp did you use?
Which rom?
Click to expand...
Click to collapse
I manage to do it. I created a new boot image using Magisk and it worked.
Thanks again for the quick reply!

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