So you want to backup android partition such (WIFI, IMEI, etc) but you dont have custom recovery (TWRP). You can backup the partition directly using command line shell on powershell or termux in android with root access. You can use this tutorial on any android phone. tested on Realme C17 Snapdragon
Prerequisite
- Use at your own risk! I am not responsible for your actions
- Need root access
- Put the backup in safe place such as SDcard/ PC
- You can list the partition by run this command :
#ls /dev/block/by-name/
Video Tutorial
File Needed
- CMD/Powershell in Windows or shell in Linux/Mac
- Termux in Android
Manual Backup Qualcomm
Backup fsg Partition
dd if=/dev/block/by-name/fsg of=/storage/emulated/0/fsg.img
Backup wifi Partition
dd if=/dev/block/by-name/modem of=/storage/emulated/0/modem.img
Backup imei 1 Partition
dd if=/dev/block/by-name/modemst1 of=/storage/emulated/0/modemst1.img
Backup imei 2 Partition
dd if=/dev/block/by-name/modemst2 of=/storage/emulated/0/modemst2.img
Backup sensor Partition
dd if=/dev/block/by-name/persist of=/storage/emulated/0/persist.img
Backup super Partition
dd if=/dev/block/by-name/super of=/storage/emulated/0/super.img
Manual Backup Mediatek
Meta data
- dd if=/dev/block/by-name/md_udc | gzip > /sdcard/md_udc.img.gz
- dd if=/dev/block/by-name/metadata | gzip > /sdcard/metadata.img.gz
Kernel/ boot
- dd if=/dev/block/by-name/boot | gzip > /sdcard/boot.img.gz
Vendor/ ODM
- dd if=/dev/block/mapper/vendor | gzip > /sdcard/vendor.gz
- dd if=/dev/block/mapper/odm | gzip > /sdcard/odm.img.gz
System Only
- dd if=/dev/block/mapper/system | gzip > /sdcard/system.img.gz
Super (system, vendor, odm, product)
- dd if=/dev/block/by-name/super | gzip > /sdcard/super.img.gz
Backup nvram,nvdata,persist,persistents,protect_f,protect_s
- dd if=/dev/block/by-name/nvram | gzip > /sdcard/nvram.img.gz
- dd if=/dev/block/by-name/nvdata | gzip > /sdcard/nvdata.img.gz
- dd if=/dev/block/by-name/nvcfg | gzip > /sdcard/nvcfg.img.gz
- dd if=/dev/block/by-name/persistent | gzip > /sdcard/persistent.img.gz
- dd if=/dev/block/by-name/protect1 | gzip > /sdcard/protect1.img.gz
- dd if=/dev/block/by-name/protect2 | gzip > /sdcard/protect2.img.gz
Restore Mediatek Partition
Open CMD in windows or termux in android. type su and hit enter
- dd if=/sdcard/nvram.img of=/dev/block/by-name/nvram
- dd if=/sdcard/nvdata.img of=/dev/block/by-name/nvdata
- dd if=/sdcard/nvcfg.img of=/dev/block/by-name/nvcfg
- dd if=/sdcard/persistent.img of=/dev/block/by-name/persistent
- dd if=/sdcard/protect1.img of=/dev/block/by-name/protect1
- dd if=/sdcard/protect2.img of=/dev/block/by-name/protect2
Instruction To Restore Qualcomm Partition
Open CMD in windows or termux in android. type su and hit enter
Restore fsg Partition
dd if=/storage/emulated/0/fsg.img of=/dev/block/by-name/fsg
Restore wifi Partition
dd if=/storage/emulated/0/modem.img of=/dev/block/by-name/modem
Restore imei 1 Partition
dd if=/storage/emulated/0/modemst1.img of=/dev/block/by-name/modemst1
Restore imei 2 Partition
dd if=/storage/emulated/0/modemst2.img of=/dev/block/by-name/modemst2
Restore sensor Partition
dd if=/storage/emulated/0/persist.img of=/dev/block/by-name/persist
Restore super Partition
dd if=/storage/emulated/0/super.img of=/dev/block/by-name/super
Backup Mediatek Partition
- dd if=/dev/block/by-name/nvram of=/storage/emulated/0/nvram.img
- dd if=/dev/block/by-name/nvdata of=/storage/emulated/0/nvdata.img
- dd if=/dev/block/by-name/nvcfg of=/storage/emulated/0/nvcfg.img
- dd if=/dev/block/by-name/persistent of=/storage/emulated/0/persistent.img
- dd if=/dev/block/by-name/protect1 of=/storage/emulated/0/protect1.img
- dd if=/dev/block/by-name/protect2 of=/storage/emulated/0/protect2.img