[Q] how to backup system partition - Galaxy Ace II Q&A, Help & Troubleshooting

hi i flash i8160L with i8160 arabic files after that i edit some files in system folder for unknown baseband and i done job successfully
now everything are working fine (wifi,signal,Bluetooth)
i want to dump system partition and make a odin flash able file from that i know how to create ondin flash able file but i dont know
how to dump systemfs.img from phone even i dont know in which partition system file is located
please help me in this
need urgent replay
thanks

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TWRP Backup to Image Files

I've successfully rooted my Pixel C running Android 7.0, booted into TWRP, and made a set of backup files. These are 11 files with extensions like .win, .win.md5, .win000, .win001, and .win001.md5. Is there a way to convert these to image files?
[email protected] said:
I've successfully rooted my Pixel C running Android 7.0, booted into TWRP, and made a set of backup files. These are 11 files with extensions like .win, .win.md5, .win000, .win001, and .win001.md5. Is there a way to convert these to image files?
Click to expand...
Click to collapse
what is the purpose of creating image files ?
not sure if there is an tool existing .. but you can build an image file by hand.
rename the twrp backup files and add the extension ".tar" -> data.ext4.win000.tar
( data.ext4.win003 -> data.ext4.win003.tar )
untar all the files into one folder.
build a new image file.
as well you can use "dd" command .. to make a full dump of the partition.
this will be a big image file (approx. 25GB) .. the complete data partition.
just shrink the raw image afterwards .. (resize2fs -M)
If you have encrpyted data partition you need to decrypt ..
anyway .. the most important partition is "data" .. make a backup of data only.
flash the other partitions from stock/custom images and use fastboot.
hope this helps ...

create flashable zip to write data partition

i am stuck with a problem and need your help, i created a data partition backup from TWRP, but when i tried to restore it gives an error extrac(tor) fail 255 i understand the data win files got corrupted, but i used winrar to extract all the data win files & got /data folder with most of the files inside, now i want to create a twrp flashable zip to write the extracted data to data partition of my htc10, i dont know how to create update script for mounting and writing to data partition if someone can please help in creating a simple zip file with correct meta-inf folder i'll copy my extracted files & flash to get my data back. please do reply guys i am counting upon you fellow members

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