About downgrading with custom firmware - Galaxy S 4 Q&A, Help & Troubleshooting

I had a stock untouched I9506 on LP 5.0.1 which I rooted and flashed TWRP. Can I now flash through TWRP a KitKat stock ROM?Will I have any isues?

Anyone?

Sure you can. If it doesn't work you can always revert back.

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return to 24A STOCK

Hello folks
please i want to go back to 24A STOCK KITKAT
my phone is already in 39A LOLIPOP and it's rooted and TWRP Recovery already installed

Downgrading

Hi, My cell is on LP 5 but i don't like it, can i isntall any kitkat rom without flashing the kk firmware, if yes how
thx
I think that yes. I flashed on my G900F Miui based in KK and it worked on LP firmware
Lollipop Update Blocked downgrading.
It's not going to work. I think that using a nandroid backup made by somebody else should work.

flashing from lollipop to kitkat custom rom?

hi guys, i have flashed android 5.0 stock with odin to my n9005 and then got recovery mode on my phone TWRP and flashed a couple of android 5.0 roms.. now im wondering if im able to go to kitkat (x-note) rom without any problems... my phone bootloader modem n stufs etcs are in lollipop's now as i used odin to upgrade it last time.
Yes you can go back to kitkat just flash kitkat firmware with odin and that's all
Flashing a custom ROM should not touch your installed bootloader or modem.
Try flashing a custom ROM with your existing bootloader and modem. If it doesn't work properly, then consider changing the bootloader and modem.

Revert back to stock, do I need to flash stock bootstack?

I am planning to revert my d800 G2 (running cloudyg2 3.3) back to stock lollipop to sell it. I tried this with another G2 and when I reverted to stock KitKat and took the lollipop OTA, the OTA bricked my phone. So obviously I'd like to avoid that this time. Do I need to flash a stock bootstack before reverting to stock or does flashing the tot revert everything anyway? Also I was coming from cm12 when the other G2 bricked, could that make a difference? Thanks guys!
If you revert to kitkat, stock bootstack must be flashed!
If u will flash tot then no need to flash any thing

(SM-910h) IM NOT ABLE TO FLASH STOCK FIRMWARE

Please I own a SM-910H version of the Galaxy Note 4. I tried to flash the N5 ported Sixperience rom but I was experiencing a bootloop because my bootloader wasn't a lollipop 5.1.1 bootloader. I downloaded the 5.1.1 bootloader (910HXXU1COH4) and for some unknown reason I'm not able to flash via odin. It fails whenever it gets to "sboot.bi". I tried flashing the stock firmware, both lollipop 5.0.2 and 5.1.1 but they all fail when it gets to "sboot.bin". But I'm able to flash Recoveries and 910HXXU2COJ4 bootloader.
I reverted back to stock kernel and recovery and still didn't solve the problem. I tried to flash CyanogenMod 12.1 via recovery it also didn't work.
Please I need help to fix this problem because I'm afraid it might affect me in the coming months if I want to flash android 6.0 Marshmallow.
Below are the information on my phone frmware

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