N910C IMEI/EFS backup issue - Galaxy Note 4 Q&A, Help & Troubleshooting

After i rooted my N910C, i didn't backup my rooted stock rom. However right now i'm on the latest 6.0.1 Bliss rom, and want to revert back to stock rom because of several issues i have.
The problem here is that I do not have a backup of my EFS/IMEI from the stock rom. My IMEI is still working on my custom rom, can i make a back-up of that and will it work?
And do i need a back-up at all for reverting back to stock from the 6.0.1 Bliss rom?

Better give it to the Samsung authorized service centre and reflash the stock ROM (you will be charged).

Yes, you can back it up and it will work should you need it.
It is not normally required. Going backwards and forwards between ROMs doesn't generally cause any problems, but it is advisable to create a backup just in case something goes wrong.
Sent from my SM-N910F using XDA-Developers mobile app

Related

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.

Note 4 Issues When Flashing Roms, Please Help

My younger brother has a Note 4. It was previously on Kitkat 4.4.2, stock rom, rooted with dual recovery...
He wanted to manually update to either a 5.1.1 Lollipop rom or even 6.01 Marshmallow.
After having tried several 6.01 roms, the phone either bootloops or the sim card is not reading...
After having trying to flash the radio & bootloader to flash via odin, it keeps failing when trying to do so.
Could someone please recommend a simple Lollipop rom or Marshmallow rom that actually WORKS and the sim card is read as it should?
With my current Sony Z2, it is so much simpler, flashing any roms automatically comes with the kernal, radio, recovery, root, etc...
With Samsung it is much more complex and finding a rom which comes with everything seems difficult to find.
Some roms even ask to choose a kernel & modem/radio. How the F**K do i know which one I need? Even when selecting one it results in a bootloop.
I'm not interested in overclocking or using a custom kernel. I just want something that works and any 5.1.1 rom or Marshmallow rom would do. I want something as close as stock as possible. Not interested in Cyanogen mod, custom roms or such.
Thanks!!
you need to flash a compatible modem for your model number and version of android. If it helps, I'm using: N910FXXUICOL2 with Marshmallow
I have the N910F model.
Hmm, I don't know why you are having problems, actually its Samsung where you can simply flash a ROM with Odin, no need of ADB or anything.
You just make sure that you COMPLETELY WIPE your phone before flashing a stock ROM via Odin. You should not have any problem at all, no one should, unless its hardware.

Need to ugrade, A few questions

Hi guys,
I have been away from flashing custom roms for a long time. I'm on stock 4.3 with I9505 rooted, with TWRP.
I rooted the phone once I got it. removed all the bloat and customized it to my liking but now i'm locked to 4.3 version as I would need to flash a custom ROM or go back to stock and upgrade to official version.
I do not want the official release with bloat so want to look for options and suggestions.
1. What's the most stable custom ROM and android version that is safe and continously developed?
2. Do I need to take any precautions while flashing? I already have apps and data backed up on Titanium Backup.
3. Something else I need to be sure of before upgrading.
Thank you for your suggestions.
I just want my Android upgraded (not for Pokémon Go though). : )

Volte lost upon factory reset after rooting

I have rooted my asus zenfone max (Snapdragon 610 Model) . And have used both custom roms and as well as stock rom.
Issue is when i factory reset stock rom or reflash original firmware Volte is not showing up.
Luckily i had a nandroid backup of stock rom which when restored volte worked.
Can any tell me what could be the possible reason and solution for rectify this glitch.
TIA
handsome_lucifer said:
I have rooted my asus zenfone max (Snapdragon 610 Model) . And have used both custom roms and as well as stock rom.
Issue is when i factory reset stock rom or reflash original firmware Volte is not showing up.
Luckily i had a nandroid backup of stock rom which when restored volte worked.
Can any tell me what could be the possible reason and solution for rectify this glitch.
TIA
Click to expand...
Click to collapse
I don't even have any backup and so the volte is completely gone from my phone. Have installed all versions of firmware, downgraded and upgraded etc etc but still no help. Someone please tell me what to do to get the volte back without rooting.

How to restore to latest stock version with out any problems?

Hi,
With all these issues like "IMEI 0" and volte not working, i just want to know a easy way to restore back to latest version of stock rom for indian variant with all the things working and a locked bootloader
Many Thanks!!!
I have the same question, i unlocked the bootloader and rooted the phone but it broke the camera app,so i have installed the different kernel as a work round to get the camera working. But i want to go back to the stock rom with stock kernel. Can someone please guide us through

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