How To Guide (close) Modified sub-partition of super.img [ CustomAP part 2] - Samsung Galaxy Tab A7 Lite

My Old Computer is slow down when changes to WSL2​Note: May be there are someone wants to modify GSI suitably for their device.​
Modified sub-partition of super.img​Step by Step​CREATE CustomAP for Odin Flashing with Patching Dynamic Partitions.​
*** the continue part of Step by Step CREATE CustomAP framework file for GSI Flashing with Odin.
(Required Win10 with wsl2 or Ubuntu or VirtualBox)
What are we doing now ?​1) unpacking super.raw with imjtool. ( super.img.lz4 -->super.img-->super.raw)
2) resizing system.img (in order to insert our modifications to the rom)
3) mounting system.img
4) do our modifications
5) umounting system
6) shrink edited system.img to the minimal size
7) generating new super.img
8) Create customAP file ( for flashing it to our device with odin.)
>>>>Part 1 (update to used win10 + WSL2) is here. https://forum.xda-developers.com/t/...s-a12-a13-installation.4473159/#post-87204333
Steps ( Essencial tools)​Extract Sub-Partition inside super.img.lz4 tool​## Download Samsung framework file. (Stock Firmware) with
Bifrost.
## Extract "super.img.lz4" from (AP framework file) with (unzip FILE.zip) command. or uses utility from win 10
## Decompress "super.img" from "super.img.lz4" with LZ4 command
## sparse format ""super.raw" from "super.img" with simg2img command
## Use imjtool to extract the partitions of super.raw. Notice that partitions in a super image are split into several groups.
(The exact grouping varies across devices/OS versions, so one should always use imjtool to check first.)
Code:
wget http://newandroidbook.com/tools/imjtool.tgz && tar xzvf imjtool.tgz
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imjtool v2.0 beta1
*You may also use the official lpunpack for extraction but it can’t display the group schema.
Code:
./imjtool.ELF64 super.raw extract
output:
MMapped: 0x7f5f4a89d000, imgMeta 0x7f5f4a89e000
liblp dynamic partition (super.img) - Blocksize 0x1000, 2 slots
LP MD Header @0x3000, version 10.0, with 4 logical partitions on block device of 5812 GB, at partition super, first sector: 0x800
Partitions @0x3080 in 2 groups:
Group 0: default
Group 1: main
Name: system (read-only, Linux Ext2/3/4/? Filesystem Image, @0x100000 spanning 1 extents of 3 GB) - extracted
Name: product (read-only, Linux Ext2/3/4/? Filesystem Image, @0xe6700000 spanning 1 extents of 1 GB) - extracted
Name: vendor (read-only, Linux Ext2/3/4/? Filesystem Image, @0x12d500000 spanning 1 extents of 685 MB) - extracted
Name: odm (read-only, Linux Ext2/3/4/? Filesystem Image, @0x158300000 spanning 1 extents of 4 MB) - extracted
Note: Notice file size of "system.img" =3GB
Full contents here: https://forum.xda-developers.com/t/...s-a12-a13-installation.4473159/#post-87204293​