[Samsung Galaxy S22 Ultra] dr.ketan:
ChangeLog S03 (S908B & S908E)

Based on S908EXXU1AVC9 Android12 March 2022 security patch OneUI 4.1

ROM Tool on essential fix auto setup zygisk including SafetyNet fix (no needs to change any option manually)

Important Instructions for setting up ROM (NEW)

Prerequisite :

Must have installed firmware S908EXXU1AVBF S22 Ultra (Reported working on AVC6 too)

Rooted device with Magisk (Zygisk) Intallled (Follow steps below in case you have non rooted device)

We recommend to make EFS (IMEI) backup as soon you root device and keep copy to safer place (outside device)

Spoiler content hidden.

How to Install Dr.Ketn ROM Module (New!)

Download app ROM Installar XDA S22 S*.apk and and Install as regular apk (* = ROM verion)

Uninstall any other magisk module you have installed

Open ROM Installaer app → Grant SU permission → Just seat and relax. It will auto download ROM and Install automatically. You can see process on screen. → Reboot device when asked.

Benefits of ROM Instller : This method have some extra benefits over regular installation like

It won't process if no root access found

It will block installation on wrong devices

It will abort Installation process if MD5 doesn't match (Corrupt download) to prevent bootloop.

Also it will show current firmware version and available firmware version (You should not install if there is much difference in firmware base) Read prerequisite above for recommended firware)

Setting up device first time after Module installation

Open ROM Tool from app drawer and Apply essential fix and Reboot,

After reboot you can check SafetyNet and should be passed. You can use this app from playstore or This from Github to check SafetyNet (ROM Tool will offer to install this during Essential fix too)

Now you can further setup ROM a per your liking. Also MagikHide is Configure Denylist now and available under Magisk Settings.

Since A12 new Magisk (Zygisk) doesn't have buil-in Module repo, You can get standalone module manager from here (ROM Tool will offer to install this during Essential fix too) For more details and queries about new magisk ref this

Important Note for Dual active SIM users :

After Module ROM Installation, Internet/Network may not be available, Once you apply esssential Fix from ROM Tool- it will detect it and fix on it's own. Netork/Internet will be available after reboot.

PS : Plz don't install any other mods for SafetyNet, All queries related to Magisk/SafetyNet will be ignored if already explained above

TweaksPro version requires 4.1.0 or up

ROM Features (XDA Version)

- Ad Free QS Panel Toggle

- Reboot to recovery QS Panel Toggle

- Native call recorder (Manual) While you are on call - click 3 dot - Record (Should work without CSC restriction)

- Auto Call recorder without CSC restriction (ROM Tool - Mods & Fix)

- High Volume warning disabled

- Pre fixed Titanium freezing while restoring apps

- Probable fix for Titanium Backup schedule

- Internet browser Secret mode

- S Health patch for using with rooted device.

- ROM Tool with following Options

AdFree mode Enable/Disable

Single click install/uninstall custom fonts (on the fly)

YouTube Vanced Installer (No xposed requires)

NonRoot - Requires MicroG to login

Root - Truely alternate to Youtube, Can login to youtube without MicroG (disable Play store update)

You have to click on NonRoot/Root depending on your choice, then you needs to click "Install" tab and latest version of Youtube vanced will get installed.

StatusBar Icons

Show/Hide stock battery

Show/Hide 3minit battery

show/hide stock clock

show/hide 3minit clock

ROM Control - See below

Mods & Fix

Auto Call Record

Titanium backup FC fix

Google Pay Fix

Added camera fix (Certain users reported camera failed issue. This is reported on stock too, here is someworkaroung meanwhile samsung fix it)

SafetyNet Fix

Samsung Health & Private share fix

Update & Fix

- ROM Control (systemUI preferences)

Battery Bar with thickness and color option

Virtual key on statusbar (Lt/Cinter/Rt)

Network meter with Toggle (Lt/Rt/Quick Panel/None) with color option

PS : There may be few more options in ROM control but won't work if those are not mentioned here.

Known Bug/Tips/Fix

3 minit users can use 3minit battery paid version for free. Check this (Thanks to gharrington )

Tips on TWRP and App Backup/Restore Read Here

Boot splash warning removal. At presently available for Exynos (S908B) only, get it from ROM download area. Instructios packed inside.

Download : DrKetanROM.com

PS : This is a fully customized ROM and for end users only, ROM or any part of ROM not allowed to redistribute,modify or to use as base to prepare new ROM.

STATUS : Online