》Step by Step Tutorial for changes mount Read Only To Read/Write.《
Example in tutorial:
(install PixelExperience_Plus Android 13 , Can install on A12 but not works)
Slim has no Recorder (voice), Pixel Wallpapers, Pixel Live Wallpapers, Drive, Maps, Photos, Gmail and Google app
Step | test on Stock A11
PREREQUISITE: Known how to create CustomAP.tar.md5 in Part 1. Tutorial
forum.xda-developers.com
✓1. Download: https://github.com/ponces/treble_build_pe/releases
✓2. Test with DSU Sideloader :
All Booted Variant (Read only)
2.1. PixelExperience_Plus_arm64-ab-13.0-20221124-UNOFFICIAL.img.xz
2.2. PixelExperience_Plus_arm64-ab-slim-13.0-20221124-UNOFFICIAL.img.xz (only 1 app Google play store )
》》》Note: vndklite R/W not booted ,
Then you must changes Read only to R/W mode by yourself.
》》》This PE+ version has Offline-Charging (show % remain power level) that can break "Warranty Bit warning" state and supported exFAT micro-sdcard.
Option:
It's still a good idea to flash stock firmware every now and then, because critical system components get updated and fixed, like the bootloader etc.
✓3. Create CustomAP for Flashing with Odin (include patched-Magisk of boot and vbmeta)
After 1'st boot Finished Flashing
3.1 setup magisk v.24.3
(download additional some part) if not you can't uses magisk.
3.2 Computer
download platform-tools and extract to C:\
3.3 look at belows video for beginning process.
( But it is not my mod with CustomAP, only want to get rid of read only feature from our system.img that be installed before. )
✓ Resources:
How to mount Read Only System TO Read/Write.?
forum.xda-developers.com
3.4 Tab A7 Lite
1. install Root File Manager. (Such as MiXplorer)
2. copy "systemrw_1.32" folder from Archive to /data/local/tmp
3.5 Computer + USB cable +Tab A7 Lite
Open CMD as Administrator and Run in folder C:/platform-tools
OUTPUT
ignored " Error! failed to create super_fixed.img file. Error code: 70"
(we don't need it.)
✓4. Final copy /data/local/tmp/systemrw_1.32/img/system.img for making new CustomAP.
Example in tutorial:
(install PixelExperience_Plus Android 13 , Can install on A12 but not works)
Slim has no Recorder (voice), Pixel Wallpapers, Pixel Live Wallpapers, Drive, Maps, Photos, Gmail and Google app
Step | test on Stock A11
PREREQUISITE: Known how to create CustomAP.tar.md5 in Part 1. Tutorial

Update 28 Nov 2022-:How to mount RO to RW +VegaBob DSU +Custom AP Step by Step (install GSI without TWRP/Fastboot Part 1, 2 for A/B Partition Device)
The only way to get away from the official firmware. for this device A/B Partition Based on Android12 ---------------------------- ->Enable Linux Subsystem and Install Ubuntu in Windows 10,11 (WSL2 For modify GSI system image) ->A generic...

✓1. Download: https://github.com/ponces/treble_build_pe/releases
✓2. Test with DSU Sideloader :
All Booted Variant (Read only)
2.1. PixelExperience_Plus_arm64-ab-13.0-20221124-UNOFFICIAL.img.xz
2.2. PixelExperience_Plus_arm64-ab-slim-13.0-20221124-UNOFFICIAL.img.xz (only 1 app Google play store )
》》》Note: vndklite R/W not booted ,
Then you must changes Read only to R/W mode by yourself.
》》》This PE+ version has Offline-Charging (show % remain power level) that can break "Warranty Bit warning" state and supported exFAT micro-sdcard.
Option:
It's still a good idea to flash stock firmware every now and then, because critical system components get updated and fixed, like the bootloader etc.
✓3. Create CustomAP for Flashing with Odin (include patched-Magisk of boot and vbmeta)
After 1'st boot Finished Flashing
3.1 setup magisk v.24.3
(download additional some part) if not you can't uses magisk.
3.2 Computer
download platform-tools and extract to C:\
3.3 look at belows video for beginning process.
( But it is not my mod with CustomAP, only want to get rid of read only feature from our system.img that be installed before. )
✓ Resources:
How to mount Read Only System TO Read/Write.?

[Closed] Universal SystemRW / SuperRW feat. MakeRW / ro2rw (read-only-2-read/write super partition converter) by lebigmac
Welcome to the one and only, the original, universal, System-RW / Super-RW feat. Make-RW / ro2rw (read-only-2-read/write super partition converter) by lebigmac Also known as: THE-REAL-RW, FULL-RW, EXT4-RW, EROFS-RW, EROFS-2-RW, F2FS-RW...

3.4 Tab A7 Lite
1. install Root File Manager. (Such as MiXplorer)
2. copy "systemrw_1.32" folder from Archive to /data/local/tmp
3.5 Computer + USB cable +Tab A7 Lite
Open CMD as Administrator and Run in folder C:/platform-tools
Code:
adb shell
su
* check magisk supersu permission--given to Shell program or not
cd /data/local/tmp/systemrw_1.32
chmod +x ./systemrw.sh
./systemrw.sh size=15
or
./systemrw.sh out=/mnt/media_rw/8644-7453/patch/super_fixed.bin size=100
**changes 8644-7453 with your external storage number.
OUTPUT
Code:
Read only
--------------------------------------------------
| SystemRW v1.32 automated script by lebigmac |
| @xda ©2021 Big thank you to @Kolibass @Brepro1 |
|@munjeni @AndyYan @gabrielfrias @YOisuPU @bynarie |
| without your help this would not be possible! |
--------------------------------------------------
systemrw: Custom output detected: /mnt/media_rw/8644-7453/patch/super_fixed.bin
systemrw: Custom size detected: 15 MB
systemrw: Initiating procedure...
systemrw: Device is in Android mode. Ignoring
systemrw: Current device: samsung
systemrw: Current Android version: 14
systemrw: Current SELinux status: Enforcing
systemrw: Current slot is: 0
systemrw: Your super partition is located at: /dev/block/mmcblk0p45
systemrw: / is read-only
systemrw: /product is already R/W capable. Ignoring
systemrw: /vendor is already R/W capable. Ignoring
systemrw: Adjusting permissions...
systemrw: Attempting to disable dm-verity and verification...
verification is already disabled.
verity is already disabled.
systemrw: Dumping super partition to: /data/local/tmp/systemrw_1.32/img/super_original.bin
systemrw: Please wait patiently...
11902976+0 records in
11902976+0 records out
6094323712 bytes (5.6 G) copied, 132.285471 s, 44 M/s
systemrw: Successfully dumped super partition to: /data/local/tmp/systemrw_1.32/img/super_original.bin
systemrw: Unpacking embedded partitions from /data/local/tmp/systemrw_1.32/img/super_original.bin
systemrw: Nested partitions were successfully extracted from super
systemrw: Current size of system.img in bytes: 3090964480
systemrw: Current size of system.img in MB: 2947
systemrw: Current size of system.img in 512-byte sectors: 6037040
systemrw: 'shared_blocks feature' detected @ system.img
systemrw: Increasing filesystem size of system.img...
resize2fs 1.45.4 (23-Sep-2019)
Resizing the filesystem on /data/local/tmp/systemrw_1.32/img/system.img to 943287 (4k) blocks.
The filesystem on /data/local/tmp/systemrw_1.32/img/system.img is now 943287 (4k) blocks long.
systemrw: Removing 'shared_blocks feature' of system.img...
e2fsck 1.46.2 (28-Feb-2021)
systemrw: Read-only lock of system.img successfully removed
systemrw: Shrinking size of system.img back to minimum size...
resize2fs 1.45.4 (23-Sep-2019)
Resizing the filesystem on /data/local/tmp/systemrw_1.32/img/system.img to 887293 (4k) blocks.
The filesystem on /data/local/tmp/systemrw_1.32/img/system.img is now 887293 (4k) blocks long.
systemrw: Custom size of system.img in bytes: 3650080768
systemrw: Custom size of system.img in MB: 3480
systemrw: Custom size of system.img in 512-byte sectors: 7129064
systemrw: Increasing filesystem size of system.img...
resize2fs 1.45.4 (23-Sep-2019)
Resizing the filesystem on /data/local/tmp/systemrw_1.32/img/system.img to 891133 (4k) blocks.
The filesystem on /data/local/tmp/systemrw_1.32/img/system.img is now 891133 (4k) blocks long.
=================================================
systemrw: Current size of vendor.img in bytes: 641204224
systemrw: Current size of vendor.img in MB: 611
systemrw: Current size of vendor.img in 512-byte sectors: 1252352
systemrw: NO 'shared_blocks feature' detected @ vendor.img
systemrw: Shrinking size of vendor.img back to minimum size...
resize2fs 1.45.4 (23-Sep-2019)
Resizing the filesystem on /data/local/tmp/systemrw_1.32/img/vendor.img to 151299 (4k) blocks.
The filesystem on /data/local/tmp/systemrw_1.32/img/vendor.img is now 151299 (4k) blocks long.
systemrw: Custom size of vendor.img in bytes: 635449344
systemrw: Custom size of vendor.img in MB: 606
systemrw: Custom size of vendor.img in 512-byte sectors: 1241112
systemrw: Increasing filesystem size of vendor.img...
resize2fs 1.45.4 (23-Sep-2019)
Resizing the filesystem on /data/local/tmp/systemrw_1.32/img/vendor.img to 155139 (4k) blocks.
The filesystem on /data/local/tmp/systemrw_1.32/img/vendor.img is now 155139 (4k) blocks long.
=================================================
systemrw: Current size of product.img in bytes: 1091608576
systemrw: Current size of product.img in MB: 1041
systemrw: Current size of product.img in 512-byte sectors: 2132048
systemrw: NO 'shared_blocks feature' detected @ product.img
systemrw: Shrinking size of product.img back to minimum size...
resize2fs 1.45.4 (23-Sep-2019)
Resizing the filesystem on /data/local/tmp/systemrw_1.32/img/product.img to 262240 (4k) blocks.
The filesystem on /data/local/tmp/systemrw_1.32/img/product.img is now 262240 (4k) blocks long.
systemrw: Custom size of product.img in bytes: 1089863680
systemrw: Custom size of product.img in MB: 1039
systemrw: Custom size of product.img in 512-byte sectors: 2128640
systemrw: Increasing filesystem size of product.img...
resize2fs 1.45.4 (23-Sep-2019)
Resizing the filesystem on /data/local/tmp/systemrw_1.32/img/product.img to 266080 (4k) blocks.
The filesystem on /data/local/tmp/systemrw_1.32/img/product.img is now 266080 (4k) blocks long.
=================================================
systemrw: Joining all extracted images back into one single super image...
systemrw: Please wait and ignore the invalid sparse warnings...
Not enough space on device for partition product with size 1089863680
systemrw: Error! failed to create super_fixed.img file. Error code: 70
gta7lite:/data/local/tmp/systemrw_1.32 #
ignored " Error! failed to create super_fixed.img file. Error code: 70"
(we don't need it.)
✓4. Final copy /data/local/tmp/systemrw_1.32/img/system.img for making new CustomAP.
----Happy with Read/Write Mount System-----
if you want to fix not enough space Solved with changing size from 15 to 100
But I want only "new system.img" which removed shared_blocks.
if you want to fix not enough space Solved with changing size from 15 to 100
But I want only "new system.img" which removed shared_blocks.
Last edited: