For Downgrade From Android 9.0 To Oreo 8.1.0 on Samsung Galaxy J4 Plus J415f Without any Box Or Pc But You must install a custom Recovery on your phone (TWRP OR ORANGEFOX RECOVERY)
Read Me Please !!!!
Download This Rom Than Extract it On Your External Sd Card than use this password for extract the file: djamelchaouadi
* Than reboot to recovery mode and wipe system + Vendor + data + cache + cache/dalvick
* than go to the rom install system to system image
* Vendor to vendor image
* boot to boot image than flash the zip file(disable all pie security)
* than flash magisk and if you want flash a custom kernel than reboot to system the first boot take a few minutes 5min
* if your device stay only on samsung bootanimmation a long time go to twrp than flash RMM Bypass And Disable Dm verity format data install magisk and reboot to recovery than go to the terminal twrp or orangefox than type this command
"mke2fs /dev/block/mmcblk0p22"
click enter than "y"
and reboot system 100% booted
Download link Area:
-Download the Rom 👇
Password for extract the rom: djamelchaouadi
-download a best custom Kernel For j4 plus👇
-Download RMM Bypass👇👇
-Download Disable Dm Verity👇👇
-Download Siop_level👇👇
Remplace Siop_Level with Root Explorer Apk to
/sys/devices/battery/power_supply/usb/subsystem/battery/siop_level
Watch This Video How To Remplace Siop_Level And Don't Forget To Subscribe
credit::
Project MedusaOS
Djamel Chaouadi
Tags
flash