Database Develop

[Q] Error mounting /system& /data

Hii,
I'm tried to set the [ROM][4.3] SlimBean - I9000 on my Galaxy S. Rooted my phone, set the files Slim-galaxysmtd-4.3.build.1-OFFICIAL.zip and Slim_AIO_gapps.4.3.build.1.zip on my extern sd-card. Started recovery mode, wipe data/factory reset, wipe cache, wipe dalvik cache and then tried to install zip, selected the Slim-galaxysmtd-4.3.build.1-OFFICIAL.zip. Then it goes wrong, it says after finding/opening and installing update:
Slim Roms
Format and Mount system, Mount Data...
Error in /external_sd/Slim-galaxysmtd-4.3.build.1-OFFICIAL.zip
(Status 0)
Installation aborted.
If I try to manual mount /system or /data it says Error mounting /system!. What can I do?? I use Semaphore CWM Recovery v6.0.3.6

I had this kind of thing today with another rom.
I rebooted the device normally, when it started i went back to recovery mode, and flashed the rom again.

him tengles
The problem is, I can't boot normally, I stucks with the Semaphore logo on the screen..

Well, I also tried Mackay kernel+rom, but every time I get the message Unable mount /data and /system.... Don't know how to fix this erros..

TCon96 said:
Format and Mount system, Mount Data...
Error in /external_sd/Slim-galaxysmtd-4.3.build.1-OFFICIAL.zip
(Status 0)
Installation aborted.
If I try to manual mount /system or /data it says Error mounting /system!. What can I do?? I use Semaphore CWM Recovery v6.0.3.6
Click to expand...
Click to collapse
Look in My Android Solutions
[26] Problem:- ClockworkMod Recovery giving Status 0 error "Installation aborted".
Quote:
Solution:- Most likely you have a incompatible CWM, or your Zip files are corrupted or you have mounted /system or /data
you can mount data in CWM mount and storage, when unmounted or change correct kernel ( meaning correct CWM) for the ROM you have. Try flashing Gear kernel, if you are uing 4.3 versions already.
Check this out! You , YES! you are an " Android ". Not your phone but U.
You Must watch this documentary concerning your privacy Terms & Conditions we had agreed to, by using a PC or Smartphone
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Cannot access System nor backup my data after trying the OTA update

After trying to update my OnePlus 3T with the official OTA (OnePlus3TOxygen_28_OTA_056_all_1709231856_9af15a0.zip) from recovery and wiped cache/dalvik, I rebooted and got a black screen with: “Encryption unsuccessful”.
The phone is rooted and when I access the TWRP recovery I get:
“Mount - Decrypt Data
Enter Password: ______ "
I click on Cancel and then the message:
"Keep System Read only?”
I swipe to allow modifications .
If I try to restore the nandroid backup I did few minutes before I see no data inside /sdcard/, literally 0 MB.
I have TWRP 3.1.1-x | blu_spark v37, I don’t know if this does make any differences.
I remember it happening to me few months ago and I think I changed File system back then but by doing so it will wipe all the data I guess.
Right now these are the File Systems:
/system ext4
/data emmc
/cache ext4
Shouldn’t /data be f2fs or I’m wrong?
/system shows: Size: 2868MB — Free 121MB — Used 2746MB — Backup Size 2746MB.
/data partition shows: Size: 0MB — Free 0MB — Used: 0MB — Backup Size: 0MB.
Do I have any chance to save all my phone data and nandroid backup, is there a way to do so?
I’ve tried with adb but no luck so far. The mac recognises the android in both recovery and fastboot mode but I can’t copy anything to my laptop.
I’ve tried “adb pull /sdcard/TWRP ~/Desktop/“ and many more but nothing happens.
All I get is “/sdcard/: 0 files pulled” or “adb: error: remote object ‘/sdcard/TWRP/‘ does not exist”.

Hello,
If you get the "Enter Password" message when you boot into TWRP and if you don't have Encryption enabled, the default password is "default_password".
Cheers!

thes3usa said:
If you get the "Enter Password" message when you boot into TWRP and if you don't have Encryption enabled, the default password is "default_password".
Cheers!
Click to expand...
Click to collapse
If I insert "default_password" this is what I get:
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and it goes back to "Keep System read only?"

im having the same problem. I want to backup my data and then I dont care about wipe my phone.

Well, can you access your partitions after swiping the System Read Only message?

thes3usa said:
Well, can you access your partitions after swiping the System Read Only message?
Click to expand...
Click to collapse
All I can get is this:

It seems that /data partition is corrupted - if it cannot be mounted, then the data cannot be accessed, so no way to take out the data.
Next time use ext4 - there is no reason to use f2fs, IMO.

So what should be the right way to have the phone working again? with data lost

Try to do advanced wipe (the right button in TWRP's wipe menu) or erase and format userdata partition with fastboot, check if it works

Got a Brand New phone after Wipe iT!
przemcio510 said:
Try to do advanced wipe (the right button in TWRP's wipe menu) or erase and format userdata partition with fastboot, check if it works
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[GUIDE] Installing/Flashing Treble ROMs

I am not responsible for people bricking their devices because they haven't made a backup.
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Downloads
TWRP For P10 lite: HERE
ADB & Fastboot: HERE
The first step is to make a backup.
2. Download your Treble ROM, i recommend a GSI ROM.
In my case I'll be using Havoc-OS
Download: https://forum.xda-developers.com/project-treble/trebleenabled-device-development/rom-havoc-os-8-1-t3819050
3. Go into TWRP and do a FACTORY RESET and then reboot into fastboot.
4. The only thing you need to do now is flash the ROM, so get your downloaded ROM & extract the .img file from it (if there is no .img file and you see other files, flash via twrp).
On your PC open the fastboot command prompt and type
fastboot -u flash system <YourImageFileHere>
Click to expand...
Click to collapse
After just type : "fastboot reboot" and wait until your phone boots into the system. You may need to flash google apps afterwards.
It is normal for the phone to reboot a couple times so be patient.
Congratz, your phone is not running a treble ROM with your stock ROM's vendor.
Click to expand...
Click to collapse
Video:

I just need backup Boot, System and data if i want go back to stock?

Bad idea to factory reset with TWRP, it doesn't do it clean enough.
You could get in serious problems by doing it, such as random apps crashing, sd unmounting and worse.
Safer option is to factory reset and wipe cache with stock recovery after every system flash.
I'm telling this from my own experience, I don't want people to mess up like I did :highfive:

Ret-Zero said:
I just need backup Boot, System and data if i want go back to stock?
Click to expand...
Click to collapse
Yes that should be enough, vendor stays the same anyway.. I recommend flashing roms designed for kirins cpus btw because there is a higher chance it will work

Question Can't install Xiaomi EU ROM - Stuck without a ROM

I've followed the process outlined here. After installing the ZIP, it rebooted, but went back to recovery. When I said reboot system, it said No OS installed.
So, I tried to start over by formatting data and then copying the zip again via ADB Push. Then the trouble starts. After adb push, which takes about 5 minutes, it says
Code:
failed to copy 'xiaomi.eu_multi_HMNote10Pro_V12.5.3.0.RKFMIXM_v12-11.zip' to '/sdcard/xiaomi.eu.zip': write failed: No space left on device
After that, the data partition seems corrupted. Whenever I go to Install, it shows 0 bytes. Upon Googling I found a solution by formatting to ext2 and back to ext4. Then, it shows again as 100000MB. However, adb push every time fails with same problem.
For some weird reason, I can push to /data. But still running into same problem after installing ROM and rebooting, it goes back into recovery.
I also tried to sideload, but then I run into this issue:
Code:
D:\Tools\ROMs>adb sideload xiaomi.eu_multi_HMNote10Pro_V12.5.3.0.RKFMIXM_v12-11.zip
loading: 'xiaomi.eu_multi_HMNote10Pro_V12.5.3.0.RKFMIXM_v12-11.zip'
* cannot read 'xiaomi.eu_multi_HMNote10Pro_V12.5.3.0.RKFMIXM_v12-11.zip' *
So, I'm stuck with a device without any ROM. Any suggestions please?

Did you ask in the MIUI EU forums as well? Since there would be more ppl familiar with these issues than here.
I'm also interested in this since I prefer EU roms. Also you need a specific TWRP version which I believe is still in alpha stage for the 10 Pro since its still a new device. There should be a TWRP thread somewhere here where you can also ask.
I just got my 10 pro and need to wait a few more days to unlock BL, then I will be flashing an EU rom, hence my interest. Hope you find a solution.

Use TWRP from here:
https://forum.xda-developers.com/t/4248449/
fastboot reboot bootloader
fastboot boot TWRP_file_name.img
Format Data, type yes.
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Reboot to recovery.
The internal storage should be visible.
Connect phone to PC and put ROM into phone.
Flash ROM, format data, yes
Reboot to system.
If above not work, make your phone under fastboot mode, Mi-Flash, and flash your stock fastboot MIUI. Don't lock your bootloader.

When I try to flash a custom ROM I always end up with this, and the device only boots to TWRP Recovery

What could be the cause?
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Xiaomi protect their device from custom rom or custom recovery and some time device go to hardbrick and stock on fastboot mode
So every time you want to install a custom rom after successful to install(dirty flash better) the rom first go beck to twrp menu and format system and dalvik cache then go to install>install image>select twrp img file>install
Then go to reboot>reboot to recovery
Then reboot to system

I don't have your device. But that list of files/folders with random letters means your internal storage/data partition is encrypted. You need to go to "repair filesystem" menu in twrp and reformat it to another type and back to ext4. Or use "format Data" menu. All your data will be wiped.
Don't take my word for it. Google "how to decrypt device in TWRP" and learn about it.
Ps: @moh4556 your answer is correct but it's not format system and dalvik, it's wipe system/dalvik/data menu. It will delete those partitions but for data it leaves /data/media (your internal sdcard) alone. It's sometimes not enough when moving from stock to custom rom.
Hope this helps

weird, i was pretty sure i replied to this thread
strange characters in roms mean you havent formatted data most of the time. once you answer yes you lose your entire data (and locking mechanisms which scrambles names) altogether
for the most part, installing roms follow the same steps
format (not wipe) data
wipe system, vendor, dalv and cache
flash stuff
wipe dalv and cache again
moh4556 said:
Xiaomi protect their device from custom rom or custom recovery and some time device go to hardbrick and stock on fastboot mode
So every time you want to install a custom rom after successful to install(dirty flash better) the rom first go beck to twrp menu and format system and dalvik cache then go to install>install image>select twrp img file>install
Then go to reboot>reboot to recovery
Then reboot to system
Click to expand...
Click to collapse
not entirely true. it is highly recd to install the vbmeta patch for redmi8. im lucky and havent required it.
newer miui does make it a pain to install custom recovs directly, hence the 3.6 update included an advanced install option
older miuis arent that protected and only require a reboot to recov after installing the custom recov
also a bit offtop but whatev