Downgrade firmware - Galaxy S6 Edge Q&A, Help & Troubleshooting

Ive flashed The latest stock firmware for the edge. Now i want to revert it back to my country brand official firmware. Still 5.1. But odin fails sw check. Whatt could be done?

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[Q] Stock firmware version without looking in settings

After countless flashing of custom roms, ICS, kernels etc. I forgot what the stock firmware that my phone was shipped in and I want to flash it back to stock. Is there any other way to know the stock shipped firmware version without looking in the settings since I am running ICS unofficial ROM now.
Nope. Just flash it to the latest stock firmware available.
thanks for your reply I actually tried many stock firmwares but it didnt work, so I checked the back of my phone and found out it was a french phone. Downloaded the firmware KJ2 and it worked whilst others (KI4, KI3) gave me a bootloop

[Q] From custom to stock firmware for OTAs

Hi, I have a Samsung Galaxy S2 on the three network. If I flash the H3G 2.3.3 firmware to the device using Odin will the OTAs still work? If not is there a way to flash the standard firmware back and have the updates working as normal?
Thanks
If you flash stock firmware for your region, you should be able to get updates OTA again. In saying that, I've seen more than a few cases where this hasn't been the case (Why ? No idea. Never happened to me/not important to me as I don't use stock firmware so I've never delved into the why).
So you can flash stock firmware, see if you can get OTA updates.
If not, might as well take the easy course & flash your stock firmware updates via Odin (like many people) rather than spend potentially who knows how much time trying to find out why OTA won't work in spite of you going back to stock
It works for kies and OTA
I downloaded the original 2.3.3 and flashed it to my Samsung Galaxy S2 and the OTA updates worked up to firmware 2.3.5 and then I plugged into kies and it updated to 4.0.3. I used this site http://www.sammobile.com/firmware/?page=3&t=1&o=1&m=GT-I9100&r=-1#modelsa
Thanks for the help guys.

A Question

Hey guys,
I recently rooted my S2 and installed a custom ROM because i was sick of waiting for Samsung to release ICS in my region ( Also i love stock ICS ).
Recently they released ICS in my region so i went to sammobiles to download the firmware.
My Question is that do PDA and CSC change for each new version of android released or am i supposed to wait for the firmware with the same PDA and CSC as the version i was using.
Also I wanted to know if I could flash firmware of different region on the phone without it having any errors
Thank you.
Mysterious99 said:
Hey guys,
I recently rooted my S2 and installed a custom ROM because i was sick of waiting for Samsung to release ICS in my region ( Also i love stock ICS ).
Recently they released ICS in my region so i went to sammobiles to download the firmware.
My Question is that do PDA and CSC change for each new version of android released or am i supposed to wait for the firmware with the same PDA and CSC as the version i was using.
Also I wanted to know if I could flash firmware of different region on the phone without it having any errors
Thank you.
Click to expand...
Click to collapse
u can flash any stock rom ...
The only small issue you might face if you flash stock firmware for a different region is you may not be able to get OTA updates for your region when they're released. But it's easy enough to flash them via Odin so this isn't a massive problem.
MistahBungle said:
The only small issue you might face if you flash stock firmware for a different region is you may not be able to get OTA updates for your region when they're released. But it's easy enough to flash them via Odin so this isn't a massive problem.
Click to expand...
Click to collapse
What if i flash a firmware for a region i will be going to.
Will I get OTA updates if i access the update list from that region ?

Problem flashing an earlier firmware

Is it possible to flash an earlier firmware than is on my Edge?
I had 3 UK firmware, latest version. Probably 5.1.1 or similar.
I flashed the UK non branded Marshmallow firmware. I wasn't impressed so tried to flash the 3 UK firmware back but although Odin says it succeeded without problems, the phone just boots over and over.
So, I re-flashed the marshmallow UK firmware and it is working again.
I would like to return to the earlier 3 UK firmware if it is possible.
Can it be done or am I stuck with marshmallow?
I would say yes you are unless im mistaken
Sent from my SM-G925P using Tapatalk
Oh well, I will have to get used to it until a 3 UK version of marshmallow is available.

How to downgrade from Android 6.0.1 to 5.1.1

Hello
I flashed the latest firmware available for my S6 edge (SM-G925F) : G925FXXU3DPDP (XEF).
I've never used Android 5.1.1 on my phone and I asks to you if downgrade is possible at this point (latest BL I think) and if yes, how ?
Thanks you for your further replies
Bye.
I Think Once u Flashed The latest Firmware U can't Go back
Because Of bootloader
Bt U can try Download Android LP And boot loader And put Ur phone in Download Mode Flash with odin
i updated on 6.02...
didn´t like it...
flashed back to 5.1.1 stock without problems (odin)
Hello poci,
You were running with which firmware ?
It's easy to go back to lollipop?
I'm reading some comments off people wich say No, ando some less who say Yes.
i made an OTA update from 5.1.1 to 6.0.2... but i didn´t like the battery drain on 6.0.2......(or 6.0.1 i don´t know anymore)
after clean install of 6.0.2....there was no change at all...
then i went back to 5.1.1 by flashing a stock 5.1.1. firmware with odin...no trouble or anything else...
If flash fails, is my device will be hardbricked ???
if you have the right firmware...i would say "no"
so why should it fail?
i used this firmware for my o2 edge
G925FXXU3QOLD_G925FTEF3QOL1_G925FXXU3QOJB_HOME.tar
Beceause newest bootloaders blocks downgrade, you was in which firmware on Marshmallow ?
don´t know exactly...60.1 then
when 6.0.2 blocks downgrade...

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