[Samsung Galaxy Tab A7 Lite] tom.android:
Full GSIs Processing with SM-T225

(From Up to Down)

FROM A11 through A14​

New fastbootD ( Full Tutorial Here )

Flash Firmware and Customed Files. (Firmware +Root + FastbootD)​

>Obtain the official firmware. https://samfw.com/
>Download & Extract it and you will get 5 files (AP, BL, CP, CSC and HOME_CSC)
>Open Odin on your computer and reboot your device to DOWNLOAD mode ( turn-off device , press and hold Vol+ together with Vol- then insert USB cable which one end connected with computer to device.)
>Put AP, BL, CP, and CSC files in their Odin slots.

* Home_CSC for advanced user only.

** Do not changes input fileName for shot.
>Put 3in1.tar

( patch boot + vbmeta + patched-recovery ) in UserData slot.
>Click "Start" and wait for it to finish.

( No interruption)

( From now on Magisk & FastBootD recovery will remain in your device.)

Note: vbmeta.img was patched by Magisk the same as with fastboot command .

fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img

View attachment 6001721

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Use FastbootD flash GSI image.​

>*Based Firmware should be Official only.
>*Download & extract Platform-tools to C:/ https://developer.android.com/studio/releases/platform-tools
>*Download GSIs images.
>Open device and connect USB cable to Computer.
>Run CMD within Platform-tools Folder.

adb devices

> adb reboot fastboot
> fastboot erase system
> fastboot flash system gsi_name.img

NOTE: gsi_name.img. must changed to actual name of your extract download GSI from the Sources.
> fastboot reboot recovery

​

* Select wipe data / factory reset
reboot system

Troubles Shooting​

Not enough space to resize partition solution.
> fastboot erase product
> fastboot resize-logical-partition product 0x0
> fastboot getvar all
^Find this (bootloader) partition-size:product:0x0

Make System Writable ( need more details)​

> *Get rid of SU from bvS, bgS GSI Variant.
> *Execute phh-securize.sh
> *Enable pre-install Magisk
> *Install Root file Manager. Mixplorer from XDA here
> We will dump device super-partition and patch it with script.

*Install & Execute Read2Write script.
> Get New super.patch.bin. (output of script )
> Compress super.patch.bin to super.img.lz4

( lz4 -B6 --content-size super.bin super.img.lz4 )
***Don't use fastboot flash super super.img with FastbootD.>>>This will brick you device.

This is old way to install GSI.​

Make CustomAP

from

New super.img.lz4​

> Create New CustomAP tar md5 for Odin. ( with new patched super.img )
Download Clean (blank) vbmeta.img from Google

https://dl.google.com/developers/android/qt/images/gsi/vbmeta.img

>Compress the clean vmbeta.img

lz4 -B6 --content-size vbmeta.img vbmeta.img.lz4
>Down& Extract "tar-md5-script-tool.zip" to C;\

2.26 MB file on MEGA

mega.nz

>extract all *.img.lz4 files (from AP Stock) to. C:/ tar-md5-script-tool folder
>Replace super.img.lz4 and vbmeta.img.lz4

|

in tar-md5-script-tool dir

|

with your new repacked and compressed
>Run Win Batch File For Packing Custom AP file
> Flash Firmware together with CustomAP

BL slot = BL fie from Firmware.

AP slot = CustomAP file from my Download.

CP slot = CP fie from Firmware.

CSC slot = CSC fie from Firmware. not Home_CSC

UserData = 3in1 patch.tar
** Do not flash CustomAP Alone. (Safety First )
** Do not flash super partition with FastbootD.

Note:

>My CustomAP.tar.md5 for T225XXU1CWA2. (A13) only

Make Writable System and more spaces 500 Mb extra.

>Download here. https://mega.nz/file/TVEQ2DzR#EBtsS8LVriM-Hx--DNG_9vpTsGTSExzkH0zxn9_xH8A (3.37 GB)

>Odin: https://mega.nz/file/XVEAUAjI#RESS_gL_afkMoCr0-7eK5o_cMhkY1QFbCE2TDzegBgw

> 3in1 (magisk-patched boot + vbmeta + recovery-patch) for T225XXU1CWA2 only

File on MEGA

mega.nz

Original GSI file. 834 MB by Nazim

"SparkOS-13.5.5-arm64_bvN-slim-Unofficial.img.xz , ReadOnly System"

Release SparkOS-13.5.5 v2023.03.20 · naz664/SparkOS_gsi

Changelog February patch Synced with latest source

github.com

Battery usage test result :

View attachment 5870943

**No Battery Drain. (check Phone idle values.)