Database Info

TWRP Failed to make backup folder

Today I was trying to back everything up because I needed to do a clean install. I used to have CMW, and it would work perfectly. Few days ago I switch to TWRP because of its friendly UI. Everytime I try to make a backup, I get this "Failed to make backup folder". When I go to the mount tab, or explorer, it shows my sd card and the folder named TWRP...is there any solution to this? Or should I switch back to cmw?
Thanks

elias.acab said:
Today I was trying to back everything up because I needed to do a clean install. I used to have CMW, and it would work perfectly. Few days ago I switch to TWRP because of its friendly UI. Everytime I try to make a backup, I get this "Failed to make backup folder". When I go to the mount tab, or explorer, it shows my sd card and the folder named TWRP...is there any solution to this? Or should I switch back to cmw?
Thanks
Click to expand...
Click to collapse
If you're using the version of TWRP modified to work with SELinux (needed for KitKat 4.4.x ROMs) you may need to shorten the name of the target file before starting the backup.

benyto said:
If you're using the version of TWRP modified to work with SELinux (needed for KitKat 4.4.x ROMs) you may need to shorten the name of the target file before starting the backup.
Click to expand...
Click to collapse
Thanks a lot!! that fixed my problem. One more question: TWRP backups dont have the boot.img file in their folders. I read that it automatically flashes the boot.img when Im restoring the backup. Will it still flash it even though Im s-on?
Thanks

elias.acab said:
Thanks a lot!! that fixed my problem. One more question: TWRP backups dont have the boot.img file in their folders. I read that it automatically flashes the boot.img when Im restoring the backup. Will it still flash it even though Im s-on?
Thanks
Click to expand...
Click to collapse
TWRP should backup your /boot partition to the boot.emmc.win file. As far as I know it should also be able to restore this, even if you are S-On. However, I am not positive about that

need help - how to copy TWRP nandroid backup to device?

how to copy TWRP nandroid backup to device?
I need to restore and I don't know how to copy from my hdd to the phone.
The phone is not booting but I can get to twrp recovery.

Latest TWRP has MTP mode.

but it doesn't allow me to copy one of the backup files which is: data.ext4.win000 and it's 1.5GB

You'll need to give us more information.
Why did it fail? Why did your phone stop booting?

1. flashed bigxie_hammerhead_LRX21O-signed.zip
2. flashed CF-Auto-Root-hammerhead-hammerhead-nexus5
3. booted fine but still had apps like Ti backup & TWRP not working due to root permissions
4. Went to recovery and performed Fix permission.
5. stuck in boot loop

gil80 said:
but it doesn't allow me to copy one of the backup files which is: data.ext4.win000 and it's 1.5GB
Click to expand...
Click to collapse
I have had the same problem with my motox 14 the way I found around it was to copy the file to a different fold and use twrp file explore to move it to the back up folder. That has worked for me and a few others try it out it will work.

how can you copy using twrp while in recovery? are you able to access your PC from recovery?

gil80 said:
1. flashed bigxie_hammerhead_LRX21O-signed.zip
2. flashed CF-Auto-Root-hammerhead-hammerhead-nexus5
3. booted fine but still had apps like Ti backup & TWRP not working due to root permissions
4. Went to recovery and performed Fix permission.
5. stuck in boot loop
Click to expand...
Click to collapse
You'll need to factory reset then reflash the ROM
Fix permissions was not required here. You need titanium beta from his twitter feed.

ok i got the phone working and lost my data but I have it backed on PC.
I just see that 10GB is used but when I browse the phone using file explorer, the device is empty.... what??

Is it a known issue?
when the phone is connected to PC I see that 10GB is used but when I i browse the device it shows as empty

No. Do a full flash of userdata.img

Please explain
What would I achieve by flashing it?

gil80 said:
Please explain
What would I achieve by flashing it?
Click to expand...
Click to collapse
A fix for your problem. I shouldn't really need to explain that.

Thanks!
I got it working now. Only need to figure out why it shows 16GB instead of 32 and why root permissions are not working

gil80 said:
Thanks!
I got it working now. Only need to figure out why it shows 16GB instead of 32 and why root permissions are not working
Click to expand...
Click to collapse
Well the answer in the 100 other threads about space say that you must wipe data and cache.
Root should be fine, but as already mentioned, not with official titanium release.

I already did a wipe data and cache. So I don't understand why I still get this but I'll try again.
The Ti Backup link in the twitter feed is no longer valid, but for example, ES file explorer and clean master and also TWRP app are not performing as if they are rooted.
I'll try to re-install CF-Auto-Root-hammerhead-hammerhead-nexus5

gil80 said:
I already did a wipe data and cache. So I don't understand why I still get this but I'll try again.
The Ti Backup link in the twitter feed is no longer valid, but for example, ES file explorer and clean master and also TWRP app are not performing as if they are rooted.
I'll try to re-install CF-Auto-Root-hammerhead-hammerhead-nexus5
Click to expand...
Click to collapse
ES doesn't work properly, correct. Not all apps have been updated to work with L yet either.
L is much more secure than KK. There are ways to root.
1) chain fire - makes small change in RAMdisk that allows sudaemon to work at boot
2)flash a permissive kernel - this lowers protection within selinux.
More apps work with the 2nd method, but still not all.
New titanium coming to play soon.
https://twitter.com/titaniumbackup

255 error with TWRP backup/restore (999)

UPDATE: I have since updated to official 5.1.6 via OTA flashed TWRP and Magisk. The backup finished successfully with no sign of 255 error and once rebooted the USER ID and all 999 folders were still gone after the update and switched slots.
Only tested on OnePlus 6 but file structure should be the same on any device running Android O. Must be rooted to grant Terminal Emulator root permission. You cannot remove a user without root.
If anyone has had the 255 error while trying to create a backup file or trying to restore with TWRP. This error pertains to the parallel apps or multi user ID. If you are not sure if you have parallel apps running on your OnePlus 6 or other devices you can do a quick check by go into your Root browser and look in these locations.
/storage/emulated
/data/system/
data/system_ce/
data/system_de/
data/misc/
data/misc_ce/
data/misc_de/
data/user/
data/user_ce/
data/user_de/
If you see any folder named 999 then you have parallel apps enabled on your device. TWRP in it's current form will not allow you to create a backup or restore a backup with parallel apps enabled.
Currently there is only one solution that I have found to be able to delete all of the 999 folders and that is to open a terminal emulator to each of these locations and remove the 999 folders individually. I have found a solution where you can delete the user ID and by doing so it removes all of the 999 folders and not only does it remove the folders they do not return once you reboot your device. The solution is simple so let's get to it.
Install Terminal Emulator from the play store
Open Terminal and type
su
Press enter and grant root permission
Next type
pm remove-user 999
Press enter
Close Terminal and reboot
Once rebooted go back to your Root browser and check the locations listed above to ensure the 999 folders are gone. That's all, Enjoy.

I searched the locations you mentioned and didn't find any 999 folders but I still get the error 255 when trying to flash 5.1.6 full zip. Any ideas what the issue could be?
I even tried running the commands on terminal anyways and got an error saying "couldn't remove user ID 999"
Any help is appreciated. Thanks

dracoboss said:
I searched the locations you mentioned and didn't find any 999 folders but I still get the error 255 when trying to flash 5.1.6 full zip. Any ideas what the issue could be?
I even tried running the commands on terminal anyways and got an error saying "couldn't remove user ID 999"
Any help is appreciated. Thanks
Click to expand...
Click to collapse
Try to remove your security pin code first before install new firmware.

Thanks for sharing the info :good:
Stupid question about backup ,
I normally use root essentials to make a system backup but I think with op6 it will not backup al the required files anymore I think.
So I want to make the backup true twrp but can someone list the files to backup. As there are also vendor partition listed. So please let me know what to backup exactly to make the correct backup.
Thanks in advance.
Regards ysco..

dracoboss said:
I searched the locations you mentioned and didn't find any 999 folders but I still get the error 255 when trying to flash 5.1.6 full zip. Any ideas what the issue could be?
I even tried running the commands on terminal anyways and got an error saying "couldn't remove user ID 999"
Any help is appreciated. Thanks
Click to expand...
Click to collapse
Make sure you're doing "su" then enter first and its getting root permissions

I'm on official TWRP.
I have a backup of Renovate 2.0, which worked without any errors, but after I ran into issues with the 2.1 flash (bootloop) I wanted to restore my backup, which fails with the 255 error at the Data partition, the rest restores fine.
Now I was in TWRP terminal to do the above, but I couldn't find / delete any of the 999 folders. I also didn't have any other IDs on 2.0, nor did I have any security features active at the time of my backup.
What will this operation do for me with a complete but unrestorable backup anyway, surely it won't delete folders out of my backup?
What triggers the error, the destination (ROM) or the backup file?
Is there a way to get into my backup from TWRP terminal?
Any other ideas?
Thanks for any input!

geenyous said:
I'm on official TWRP.
I have a backup of Renovate 2.0, which worked without any errors, but after I ran into issues with the 2.1 flash (bootloop) I wanted to restore my backup, which fails with the 255 error at the Data partition, the rest restores fine.
Now I was in TWRP terminal to do the above, but I couldn't find / delete any of the 999 folders. I also didn't have any other IDs on 2.0, nor did I have any security features active at the time of my backup.
What will this operation do for me with a complete but unrestorable backup anyway, surely it won't delete folders out of my backup?
What triggers the error, the destination (ROM) or the backup file?
Is there a way to get into my backup from TWRP terminal?
Any other ideas?
Thanks for any input!
Click to expand...
Click to collapse
The directions that are listed above are to be used inside terminal emulator once your phone is booted up and before you make the backup. I'm not sure if you can actually take files out of the backup especially from your device. That may be something you have to pull from the device and put onto your computer to accomplish

ysco said:
Thanks for sharing the info :good:
Stupid question about backup ,
I normally use root essentials to make a system backup but I think with op6 it will not backup al the required files anymore I think.
So I want to make the backup true twrp but can someone list the files to backup. As there are also vendor partition listed. So please let me know what to backup exactly to make the correct backup.
Thanks in advance.
Regards ysco..
Click to expand...
Click to collapse
If you want to make a full and complete backup of your entire system then you go into backup in TWRP and you check mark every box and then make your backup.

dracoboss said:
I searched the locations you mentioned and didn't find any 999 folders but I still get the error 255 when trying to flash 5.1.6 full zip. Any ideas what the issue could be?
I even tried running the commands on terminal anyways and got an error saying "couldn't remove user ID 999"
Any help is appreciated. Thanks
Click to expand...
Click to collapse
Please if you could report back to us on this thread and let us know if the instructions you were given above help you or not

dgunn said:
If you want to make a full and complete backup of your entire system then you go into backup in TWRP and you check mark every box and then make your backup.
Click to expand...
Click to collapse
Thanks for the reply back to me.
I already did make a full backup and I know the procedure to make a backup in twrp but I wanted to know if all must be marked for a full backup. Some say that not all needs to be checked. If you mark all the backup is huge lol.
Thanks.
Regards ysco..

dgunn said:
Please if you could report back to us on this thread and let us know if the instructions you were given above help you or not
Click to expand...
Click to collapse
Oh sorry lol. Turns out I just had to use official twrp to flash the full zip instead of the unofficial one I was using. After that it was smooth sailing

ysco said:
Thanks for the reply back to me.
I already did make a full backup and I know the procedure to make a backup in twrp but I wanted to know if all must be marked for a full backup. Some say that not all needs to be checked. If you mark all the backup is huge lol.
Thanks.
Regards ysco..
Click to expand...
Click to collapse
boot, system image, vendor image, data.. and you are on the safe side.
Once I made a backup of boot, system, vendor, data (no images) I had to flash OOS afterwards. I don´t completely understand the difference between first and second way, finally both worked. But for sure it is not necessary to mark all partitions.

Flying Fox said:
boot, system image, vendor image, data.. and you are on the safe side.
Once I made a backup of boot, system, vendor, data (no images) I had to flash OOS afterwards. I don´t completely understand the difference between first and second way, finally both worked. But for sure it is not necessary to mark all partitions.
Click to expand...
Click to collapse
Thanks for pointing out the steps for a successful backup.
Regards ysco..

ysco said:
Thanks for the reply back to me.
I already did make a full backup and I know the procedure to make a backup in twrp but I wanted to know if all must be marked for a full backup. Some say that not all needs to be checked. If you mark all the backup is huge lol.
Thanks.
Regards ysco..
Click to expand...
Click to collapse
I backup everything to reduce the amount of steps for the restore process. If you check every box during the backup process you do not have to Flash the OS during restore. Yes it does take up more space but the restore process is simple if you do. By checking every box all you have to do is restore your backup and then Flash magisk and you're done no need to flash the OS

dgunn said:
I backup everything to reduce the amount of steps for the restore process. If you check every box during the backup process you do not have to Flash the OS during restore. Yes it does take up more space but the restore process is simple if you do. By checking every box all you have to do is restore your backup and then Flash magisk and you're done no need to flash the OS
Click to expand...
Click to collapse
Ahh good to know mate
Thanks.
Regards ysco..

dgunn said:
I backup everything to reduce the amount of steps for the restore process. If you check every box during the backup process you do not have to Flash the OS during restore. Yes it does take up more space but the restore process is simple if you do. By checking every box all you have to do is restore your backup and then Flash magisk and you're done no need to flash the OS
Click to expand...
Click to collapse
Actually you don't have to make a backup of system AND system image as well as you usually don't buy apples AND apples and pears. You just need the system image (and boot, vendor, data) to perform a complete and success backup.

dgunn said:
UPDATE: I have since updated to official 5.1.6 via OTA flashed TWRP and Magisk. The backup finished successfully with no sign of 255 error and once rebooted the USER ID and all 999 folders were still gone after the update and switched slots.
Only tested on OnePlus 6 but file structure should be the same on any device running Android O. Must be rooted to grant Terminal Emulator root permission. You cannot remove a user without root.
If anyone has had the 255 error while trying to create a backup file or trying to restore with TWRP. This error pertains to the parallel apps or multi user ID. If you are not sure if you have parallel apps running on your OnePlus 6 or other devices you can do a quick check by go into your Root browser and look in these locations.
/storage/emulated
/data/system/
data/system_ce/
data/system_de/
data/misc/
data/misc_ce/
data/misc_de/
data/user/
data/user_ce/
data/user_de/
If you see any folder named 999 then you have parallel apps enabled on your device. TWRP in it's current form will not allow you to create a backup or restore a backup with parallel apps enabled.
Currently there is only one solution that I have found to be able to delete all of the 999 folders and that is to open a terminal emulator to each of these locations and remove the 999 folders individually. I have found a solution where you can delete the user ID and by doing so it removes all of the 999 folders and not only does it remove the folders they do not return once you reboot your device. The solution is simple so let's get to it.
Install Terminal Emulator from the play store
Open Terminal and type
su
Press enter and grant root permission
Next type
pm remove-user 999
Press enter
Close Terminal and reboot
Once rebooted go back to your Root browser and check the locations listed above to ensure the 999 folders are gone. That's all, Enjoy.
Click to expand...
Click to collapse
I don't have parallel apps or multi-user. What I have is a "work profile" (latest feature by gsuite which is mandated by my organization). Work profiles isolate work/company account data into a separate encrypted/remote wipable silo. Android creates copies of the apps for the work profile. This is causing a folder called "/data/system_ce/10" which is failing to backup. Any solution for TWRP to work with work profiles? Ideally, can I "ignore" folders to not be backed up so that TWRP nandroid backups can work.

angadsingh said:
I don't have parallel apps or multi-user. What I have is a "work profile" (latest feature by gsuite which is mandated by my organization). Work profiles isolate work/company account data into a separate encrypted/remote wipable silo. Android creates copies of the apps for the work profile. This is causing a folder called "/data/system_ce/10" which is failing to backup. Any solution for TWRP to work with work profiles? Ideally, can I "ignore" folders to not be backed up so that TWRP nandroid backups can work.
Click to expand...
Click to collapse
You will have to remove those folders from the system before you can do a backup. Maybe cut and paste them onto an OTG drive, do the backup and then replace the folders. Twrp will not backup any multi-user accounts and that is exactly what gsuite has made.
See here for more info similar to your issue.
https://forum.xda-developers.com/pixel/development/twrp-alpha1-pixel-devices-t3500314/page56

Hello. Can you tell me how to properly restore a backup on TWRP? Do I have to change slots oraz something?

Restore does not work ...
I'm having the same problem. I simply cannot restore a TWRP backup. It always produces an error 255.
No, I do not have any "999" folder/files, nor do I have any lockscreen security. I also do not have parallel apps or anything involving multi-user.
I'm extremely experienced at flashing ROMs, as well as performing Nandroids and restoring them.
Nothing I've done is working. As I said, I simply cannot restore the data partition. That's when I get the 255 error. System restores fine, but that's it.
Any ideas?
Thank you,
Peter

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.

Deteled some system apps, now stuck in a bootloop

It is just as the title states. I would like to somehow fix my phone instead of just recovering.
I can still access twrp, and the app(https://play.google.com/store/apps/details?id=com.jumobile.manager.systemapp) is used to create it with has created some backup files that i can still access. Is there still hope?
Mi 8 Pro with lineage os 18 unofficial

PalanixYT said:
It is just as the title states. I would like to somehow fix my phone instead of just recovering.
I can still access twrp, and the app(https://play.google.com/store/apps/details?id=com.jumobile.manager.systemapp) is used to create it with has created some backup files that i can still access. Is there still hope?
Mi 8 Pro with lineage os 18 unofficial
Click to expand...
Click to collapse
If you have some idea which apps you uninstalled then you can put them back in the right directory/folder, the app you used probably created a folder to backup them anyway for the next this app is not recommended to use it blindly; it doesn´t have a good criteria to determine what´s important and what´s not.
Or you can flash only the system image and after that wipe caches, reboot.

SubwayChamp said:
If you have some idea which apps you uninstalled then you can put them back in the right directory/folder, the app you used probably created a folder to backup them anyway for the next this app is not recommended to use it blindly; it doesn´t have a good criteria to determine what´s important and what´s not.
Or you can flash only the system image and after that wipe caches, reboot.
Click to expand...
Click to collapse
do you know of a way to find out exactly whats missing? like some log or something like that?

PalanixYT said:
do you know of a way to find out exactly whats missing? like some log or something like that?
Click to expand...
Click to collapse
Yes, there are some apps on PlayStore that can do that but you can´t boot right now to use it, probably you can take some logs through adb while in TWRP, check this https://github.com/IzzySoft/Adebar
The app you used creates a folder in the SDCard, probably it keeps the apps there, if you have TWRP you can navigate to it and you´ll find them.

the app has created an xyz.apk.backup can i just use adb install, or should i do something different?

hmm, i think just reflashing the system image would be easier. So should i just reflash the lineageos.zip?

PalanixYT said:
the app has created an xyz.apk.backup can i just use adb install, or should i do something different?
Click to expand...
Click to collapse
Yes, the first is identify the apps and then you can install them using adb through TWRP or copying the app to the folder where it was previosuly.
PalanixYT said:
hmm, i think just reflashing the system image would be easier. So should i just reflash the lineageos.zip?
Click to expand...
Click to collapse
You can flash it just wiping caches.

ok thank you very much, you are a life saver

i'm sorry i messaged you

it didn't work. Maybe also flash gapps?

PalanixYT said:
it didn't work. Maybe also flash gapps?
Click to expand...
Click to collapse
What´s inside the LOS zip? And what exactly didn´t work?

it's just the zip i used when installing the custom rom. i can send the file if you wnat.
META-INF/com/android/metadata
system.new.dat.br
system.patch.dat
vendor.new.dat.br
vendor.patch.dat
META-INF/com/google/android/update-binary
META-INF/com/google/android/updater-script
boot.img
install/bin/backuptool.functions
install/bin/backuptool.sh
system.transfer.list
vendor.transfer.list
META-INF/com/android/otacert
i was still inside a boot loop

PalanixYT said:
it's just the zip i used when installing the custom rom. i can send the file if you wnat.
META-INF/com/android/metadata
system.new.dat.br
system.patch.dat
vendor.new.dat.br
vendor.patch.dat
META-INF/com/google/android/update-binary
META-INF/com/google/android/updater-script
boot.img
install/bin/backuptool.functions
install/bin/backuptool.sh
system.transfer.list
vendor.transfer.list
META-INF/com/android/otacert
i was still inside a boot loop
Click to expand...
Click to collapse
It could work if you do it correctly:
- Wipe system, caches and data (not format)
- Flash the LOS zip.
- Flash the GApps (if you had previously Google apps on it)
- Reboot.

it worked, thank you very much. Is there a way to restore my phone to its previous state? i made a twrp backup just in case

PalanixYT said:
it worked, thank you very much. Is there a way to restore my phone to its previous state? i made a twrp backup just in case
Click to expand...
Click to collapse
Great, you can restore it just at the same time you did take the backup, if at the moment that this happened you didn´t take a backup of course you can´t anyway if you had some apps synchronizing with the cloud then this will be the only way. It works similarly as Windows (or Linux distros) also work if you have some idea from.