Help needed to downgrade OS Version on Not4 (N910C) - Android Q&A, Help & Troubleshooting

Hi, I have a Note4 (SM-N910C) and a week back an auto-update has slowed down my phone. The current version on my phone is 6.0.1. I want to downgrade the OS version to 4.X.X/5.X.X. Is it at all possible on this device ? If yes, I would request forum members to please guide me as this I have absolutely no knowledge of this thing.
After some reading, I understood that I need to select a Firmware and use the tool Odin to downgrade. But I am having some trouble choosing a firmware which will actually work on my device. Please help.
Following are some of the details about my phone:
Build #: N910CXXS2DPHA
Baseband Version: N910CXXU1DPC1

Related

[Q] Android version and firmware version relationship

I'm been reading a lot of the noob guides, but I'm still confused about Android version and how it's related to the firmware version and if both are dependent on the steps used to unlock the device.
I have an ATT Atrix 2 with Android 2.3.5, but I have no idea what the firmware version is. Is this the System Version? None of the version numbers on the About Phone page look anything similar to the threads in the forums.
Thanks!
Didn't quite get it. Can you provide a "firmware version" in the forums?
yes firmware version =system version
Android version =2.3.5

[Q] Downgrade to Android 2.1 from Froyo on Samsung Galaxy 5 i5503

Hi all,
I have Samsung Galaxy 5 i5503 with Android 2.1 Eclair vesion as OS, and the mobile was bought in India. So, there was no update to Froyo from Samsung.
Recently I have upgraded it to Froyo on my own using ODIN Multi Downloader.
Details:
Model number: GT-I5500L
Android Version: 2.2
Baseband Version: I5500LUYJP2
Kernel Version: 2.6.32.9-perf [email protected] #2
Build Number: FROYO.UYJP2
I have completed the process, but have some issues like too much usage of battery (hardly stays for 1 day), bluetooth file transfer not working, some applications are not even showing but are installed and can open only through the below process
Market->My Apps->[open Application]->[click on Open]
Now, i want to downgrade ti back to Android 2.1, but could not find a way after searching in google for sometime (May be I was a bit stressed out about thinking of this issue and could concentrate on it).
I need help (steps) on downgrading or doing a fresh copy installation of Eclair on my Samsung Galaxy 5 i5503. I also need the links for downloading the original version which was given to me by Samsung earlier. I am from India.
So, please help me out. Let me know if you need any further information
Thank you,
Vamsi

How to flash a custom rom?

Hello!
I've been searching for a complete guide on how to flash a custom rom on the Htc Mozart, since it has been developer locked by windows, but only found parts of the whole procedure and i don't know what order to do them in. So can anyone explain me the process from the start to the end. No need for in-depth, only which steps to take and maybe the forum link on the step, if there is any available,
OS Version: 7.10.8773.98
FW revision number: 2250.21.51201.111
Hardware revision number: 0004
Bootloader ver.: 5.12.2250.1
Appreciate all the help
Programs Needed
I'd be grateful if someone will make a list of programs that are necessary to downgrade and flash a custom rom for our HTC Mozart. Thank you .
rokma37 said:
Hello!
I've been searching for a complete guide on how to flash a custom rom on the Htc Mozart, since it has been developer locked by windows, but only found parts of the whole procedure and i don't know what order to do them in. So can anyone explain me the process from the start to the end. No need for in-depth, only which steps to take and maybe the forum link on the step, if there is any available,
OS Version: 7.10.8773.98
FW revision number: 2250.21.51201.111
Hardware revision number: 0004
Bootloader ver.: 5.12.2250.1
Appreciate all the help
Click to expand...
Click to collapse
Check:
http://forum.xda-developers.com/showthread.php?t=1863165
Maybe can help!
do i have to use the Y-cable method due to my CV 111?
rokma37 said:
do i have to use the Y-cable method due to my CV 111?
Click to expand...
Click to collapse
Some info:
http://forum.xda-developers.com/showthread.php?t=999405
I cant tell what limitations that brings to you... sorry!

How to update At&t s6 edge?

Hi guys, i am a new member and i hope i am in the right section.
I need some help on how to update my device , i am currently on 5.1.1 (rooted).
Model number : SM-G925A
Baseband version : G925AUCU3BOI2
On my device it says that i have the latest version but i want to update to marshmallow or nougat.
Thanks
P.S Some detailed help would be appreciated because i have little knowledge about android.
lunaso said:
Hi guys, i am a new member and i hope i am in the right section.
I need some help on how to update my device , i am currently on 5.1.1 (rooted).
Model number : SM-G925A
Baseband version : G925AUCU3BOI2
On my device it says that i have the latest version but i want to update to marshmallow or nougat.
Thanks
P.S Some detailed help would be appreciated because i have little knowledge about android.
Click to expand...
Click to collapse
The reason it says your on the latest firmware is because you are rooted. At&t firmware is hard to come by as they lock the bootloader and device down. If you are not bothered about root flash stock firmware and you can uodate OTA.
I have the same problem except that my phone is not rooted, im on stock AT&T Android 5, but it still says i have the latest firmware.
Someone told me that it has to be connected to AT&T cell towers to find the update but even that didn't work for me.
alireza_simkesh said:
I have the same problem except that my phone is not rooted, im on stock AT&T Android 5, but it still says i have the latest firmware.
Someone told me that it has to be connected to AT&T cell towers to find the update but even that didn't work for me.
Click to expand...
Click to collapse
I will give it a shot but first i need to find the stock firmware because its hard to find for my device specifications, and i will let you know if it worked for me
Edit: flashing the stock firmware locks phone to only at&t network since i use different network i will not try to update it

Help please - stock Oreo for S7 AT&T

Hi All
I don't quite understand how all the different baseband versions work, but I am looking to flash a stock, non-rooted version of Oreo to my AT&T S7.
I've had a look through the forums on the AT&T S7 - and nothing is intuitive. Is there a how to guide I could read? Or could someone point me in the right direction to a build?
Baseband version: G930AUCU4BQA6
Android version: 7.0
Build number: NRD90M.G930AUCU4BQA6
Appreciate the help,
Thanks!
I don't have the specific answer without the same research you'd have to do, but I do know that usually if the base stock OS is available from the carrier for the version you want then it should be fully compatible since it was made for your device.
However, if you mean flashing from another carrier, that is asking for trouble (could brick your device).

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