About installing custom firmware on Samsung j4 - Android Q&A, Help & Troubleshooting

I want to install custom firmware in my samsnung j4.
Does installing a custom firmware would change my stock rom and unlock my bootloader which would void my warranty.
I want to install custom firmware because I can't flash twrp recovery to phone using Odin.
Please help me in this issue.

Related

[Q] Help Required To Go Back To Stock & Lock BL From CM11.0

I currently am using CM11.0 Nightly with TWRP Recovery. I been using it since I rooted the device. I never flashed stock firmware on my Moto E. So, I need to clear my doubt before I even proceed in flashing the stock firmware.
Q) I have downloaded http://www.filefactory.com/file/j64ntskflct/RETAILDSDSALL_XT1022_4.4.4_KXC21.5-40_cid7_CFC.xml.zip firmware. IS it correct one for Indian version XT1022 ?
Q) I have to follow this guide http://forum.xda-developers.com/showthread.php?t=2756609 to successfully flash Stock Firmware ?
Q) Can I Flash Stock Firmware on my Linux workstation ? If yes, how ?
Q) After I flash Stock Firmware & then lock the bootloader, the warning logo will disappear ?
Please help.
Thanks.

Return to stock recovery z2

Hi guys so I need to return to stock recovery in order to install the official update.
Or is their any other way to update my phone using the custom recovery
How do I get to stock recovery guys ?
or is there any other way to flash the stock lolipop rom ?
Thanks

Can I root straight away after flashing stock rom.

Rooted my s9+, at the moment using soldier rom.
I want to go back and use stock samsung firmware 8.0 android from soldier 9.0 (I will stick to it as long as I can).
If I flash it using odin will twrp remain or will I have to wait for bootloader to unlock or I won't have to wait.
Any help I appreciate.
When you flash a stock rom, it includes stock TWRP also, so if you want to root or flash custom rom you will have to flash custum TWRP first

Stock Rom to custom rom

How does someone go from stock rom (oreo 20k) to a custom rom?
Unlock bootloader: https://forum.xda-developers.com/showpost.php?p=76584629&postcount=193
Then flash custom rom using TWRP.

Question guide to install custom firmware and custom recovery

is there any guide on installing custom firmware and custom recovery since there's not much about custom rom on this phone and there's few guides on this phone

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