Development [CLOSED] [21.08.23] G998B I Dr.Ketan ROM I OneUI 5.1 I OneUI 4.1 I OneUI 3.1

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dr.ketan

Recognized Developer / Recognized Contributor
Dear friends!

It's one month since OneUI 5.0 beta and it tooks lot of time and efforts under the hood, With this I am holding further development (Needs a little break!) for S21Ultra device till stable release of OneUI 5.0. Also needs broad testing of OneUI 5.0 ROM before stable release. With this,,
- There won't be any ROM based on new beta version
- There won't be any A12 based ROM
- There won't be bug (If any) fix for TB03 if any found (May provide if minor external fix if requires), though no major bug reported in test.
- Next ROM will be based on OneUI 5.0 stable only

Thank you very much for all the support & trust for this ROM
Regards,
Dr.Ketan
 

pabloa951

Member
Aug 7, 2015
16
6
¡Queridos amigos!

Ha pasado un mes desde la versión beta de OneUI 5.0 y tomó mucho tiempo y esfuerzo bajo el capó. Con esto, estoy realizando un mayor desarrollo (¡Necesita un pequeño descanso!) para el dispositivo S21Ultra hasta el lanzamiento estable de OneUI 5.0. También necesita una amplia prueba de la ROM OneUI 5.0 antes del lanzamiento estable. Con este,,
- No habrá ninguna ROM basada en la nueva versión beta
- No habrá ninguna ROM basada en A12
- No habrá una corrección de errores (si la hay) para TB03 si se encuentra alguna (puede proporcionar una corrección externa menor si es necesario), aunque no se informó ningún error importante en la prueba.
- La próxima ROM se basará solo en OneUI 5.0 estable

Muchas gracias por todo el apoyo y confianza para esta ROM
Saludos,
Dr.Ketan
Secure Folder Not Working
 
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pabloa951

Member
Aug 7, 2015
16
6
secure folder does not work, there is no way to make it work?

I would be grateful if you solve it soon. Thanks.
 

pabloa951

Member
Aug 7, 2015
16
6
Buenos días, informe de actualización...
Carpeta segura, funciona desde S15 hasta TB03 (dirty flashed)


Gracias por todo Gran Dr.
 
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agrageraldis

Senior Member
Nov 9, 2014
84
56
Jakarta
dirty flashed TB03 on top of s15 this morning and it seems pretty stable so far. all the restored app from swift backup also have no problem running. anyway, im not really sure if the beta build has different oneui home version than the last official one (currently installed: 14.0.00.103). i accidentally restored oneui home apk while restoring with swift but oh well as long as it runs smoothly.


might take a few days to really measure the battery life but overall the phone is way smoother & snappy so no ragrets. thanks doc.
 
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Good morning, update report...
Secure Folder, works from S15 to TB03 (dirty flash)

Achieve better performance and battery health on S15 by removing unnecessary system apps (system/app) from Root Explorer Mount R/O (leaving a total of 87 apps in the folder) Tested on TB03 and it works great.

Greetings people!

Thanks for everything Great Dr


P/S If they ask me, I can send a list of deleted apps.
Would love the list please...
 

Wad12355

Member
Nov 5, 2012
29
8
Sjz
Dirty flashed TB03 over S15. All went well..

Only issue was Samsung Videos FC, i uninstalled and reinstalled it, works fine now.
After dirty installing TB03 over TB02, I caught FC while editing videos, and the battery life was mediocre.
So, I did the clean installation of TB03, still catching FC while editing videos from time to time, but I reckon the battery life is better now;
Zero delays in getting notifications; Lucky Patcher works fine. Banking apps are fine. Google Pay and so on.
 

dr.ketan

Recognized Developer / Recognized Contributor
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lunatix01

Member
Apr 16, 2022
25
3
localhost
Looks like applying themes doesnt work, tried themes from theme store also hex theme, even theme park updates but gets removed after reboot idk if its android13/oneUI5 issue or ...
 
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  • 39
    G998B Dr.Ketan ROM

    Supported device : G998B

    We do support usually 2-3 years since device launched, but yet no guarantee, We may drop support for any device / any variant/s anytime without any prior notice.






    ROM Features

    ROM Features varies with version of ROM. For more details, read changelog post. Link available in post #3 for changelog of all versions.
    Must read changelog for a version you are going to install, it will have latest information about features, changes, known bug list/fix and Installation guide of respective version.

    Credit and Thanks :
    @Chainfire - Respected elite developer for supersu and his unbelievable contribution to XDA/Android community. @wanam - Respected elite developer for his awesome contribution and references to his works.
    @topjohnwu for Magisk
    @xperiacle the amazing developer for reference to his work and tools. @amarullz for aroma installer. @gharrington for 3minit battery and QuickLaunch.
    ROM Control source and all credit and thanks goes to @daxgirl and @Wuby986 for their open source project for RomControl.
    @AbrahamGC for some ideas samsungvn htcmania & 4PDA for tips and some stock apks.
    AbrahamGC and Anan1211 for Secure folder and s-health A12 ianmacd for TWRP @afaneh92 for TWRP, system/vendor rw scripts and modules. @Arteush for bluetooth fix (losing BT pair on reboot) on Android Q, aka_vkl for Dolby digital, kdrag0n for SafetyNet fix @Winb33 for custom font pack


    XDA devDB Information

    G998B I Dr.Ketan ROM , ROM for the Samsung Galaxy S21 Ultra

    Contributors

    Dr.Ketan
    ROM OS Version: Android 13
    ROM Kernel: Stock (pre-rooted). Source code (samsung) here
    ROM Firmware Required: Stock Samsung

    Version Information
    Status:
    Stable

    Created 2021-03-15
    22
    Installation and Download & Notes


    Important :


    - This will void warranty.
    - As of now you will lose Samsung Pay and Samsung Pass forever if you root once, even unrooting won't help. (hope in future we can get it working on tripped knox device)
    - OTA won't work once you root device.
    - ROM Tool permission : Files & media - To save and read files, Calendar - Tool needs some time monitoring to avoid using RT immediately after reboot. Special access for accessibility service - Since Android 12 it requires for QS panel custom Toggl e.g. Reboot to recovery

    Installation :


    Read ChangeLog post for Installation instructions (link on post #3)

    PS : Who can handle consequences of dirty flashing, they never need to ask this question in forum. If you dirty install then handle it yourself .




    Download : Link removed as project hold off. It will be live if we decide to re-open thread. Thank you for support.

    13
    Guys
    Quite busy with life, just y'day started N10 re base so first needs to complete it. Later (when time permits) will start workings on beta2. Kindly keep patience. Thanks all.
    13
    Here some my thoughts and explanation about TWRP backup and restore

    Firstly brief explanation about what does partition contains.
    • Boot : It is Kernel
    • Recovery : It is Recovery
    • super : That contains odm,product,system and vendor partitoin all togather.
    • optics : CSC files (where we routinely making changes for csc features) and network settings depending on your carrier
    • prism : carrier related apps and other stuff . In odin when you flash CSC*_ or Home_CSC* these two optics and prism gets flashed.
    • data : That is all your installed app and made changes in settings

    Now what to backup/restore?
    • boot - Helps if something messed up with magisk or waht to restore kernel after flashing custom.
    • recovery - usually it doesn't require but if you flash some other recovery(TWRP) and you want to restore one in backup, that helps
    • super : As stated above these is main system, if something you have messed up in system/vendor (usually with flashing something, or erasing something) you can restore by super.img.
    • optics and prism : as explained above are CSC files, Rather than restoring it, I prefer to flash HOME_CSC*.tar.md5 to make csc compartment clean. So to backup or not not much important.
    • data : This very sensible part. I prefer to make data backup when there is no samsung a/c or Lockscreen protection there. Also don't restore it cross version of ROM. Also some common mistakes user making is, He/She clen install ROM and then restore data partiton of previous ROM. This is worst then even dirty installing ROM, never do it. It is just false sense of satisfaction that you made a clean install. According me, data partiton backup best to be made just after complete clean install ROM and setting up device without adding any account and lockscreen protection. So when you restore this backup, you will have a device just like you recently completed clean install and save your time to setup initial wizard
    Backup Application,Call logs,Contacts,SMS etc

    Titanium backup was ruling for decade for these but since A11 it's not trust worthy and on A12 almost useless.
    Swift Backup is now my choice (Some other like Migrate, App dash (by RD XDA dev flar2) also alternatives)
    For contacts : I do prefer google sync. Just adding google ac everything will be restore on it's own, provided you are saving contacts in google. In case you want to make off line backup of contact, there is a built in utility in phone. Contact - settings - export - This will create a file. Similarly browse same file while you want to import contacts. Catch in this is your contact image will not retain size and it just backup thumbnail picture.
    Only one utilility I have found that makes offline contact backup without distoring image quality is My Phone Explore client (needs on both PC and Phone). Also this utility is best for wireless file manager.

    Schheduled backup - A must needed utility.

    I always prefer clean installation (Factory reset withot wiping media files) and really it takes less than 30 minutes to setup everything.
    If you enable schedule backup utility in your Backup app (e.g Swift backup have this) and make some profile like
    1.Backup - new app at X time then it will auto backup all app that you have new installed at given time
    2.Backup updated app at x time - This will make backup of any app that you have updated in store will backup at given time
    3.Any app which get data changes frequently and you needs data changes like whatsapp then create a profile favorite app - add whatsapp in favorite and schedule it to make backup daily at given time.

    with these your device always remain ready to clean install anytime instead of last moment backup or some urgent clean install needed.

    Also Folder Sync is good utility if you needs duplicate copy of files from Internal storage with scheduled operation.

    Hope this may helpful and answer lots of queries for many.