SM-N910F Won't boot - Galaxy Note 4 Q&A, Help & Troubleshooting

Hi,
My SM-N910F wont boot. I have tried to flash a stock rom through Odin, and the flash is successful but when the phone boots up it just says "System UI has stopped" with a black screen.
I messed it up by flashing both modem and bootloader wrongly, then wanting to reset it by flashing stock firmware, but it won't work.
Edit:
I have flashed twrp and managed to factory reset, and it boots now. But now I have another issue, it restarts every 30 seconds, can't even get past set-up.
Edit2:
I have fixed it. I flashed the right modem and a bootloader update and it no longer restarts.
Would appreciate any help.
Thanks.

Help with what?
Sent from this galaxy

Hi there i m running stock 4.4 kitkat on smn910f model and i cannot ota update to lollipop . Can u help ?

Hey speaking of modem and bootloader I upgraded from lollipop to nougat without doing any of these (nit flashing bootloader nor modem) what problems would that cause me
Sent from my SM-N910F using Tapatalk

Related

[Q] Help me problems with the TW Lolipop Modem and Bootloader

Hello guys, I need urgent help and i think others who are using the same Bootloader and Modem as well as they flashed the (N9005XXUGBNL8) 5.0 Lolipop firmware and fail to update the old bootloader and modem (N9005XXUENA6) 4.4.2 Kitkat using Odin3 v3.10. I've tried every single Odin versions and I followed the steps correctly. As i flash my Note 3 using Odin3 v3.10, it pass and boot as usual but when i check my About Phone in the settings, the Baseband remains the same. Even when i check the Phone Info, Its modem and bootloader is still the old 4.4.2 Kitkat. So how can I fix this? Or do i just flash an old 4.4.2 Rom back to its Original state before Lolipop? I really did tried all the stuffs i know from the web. Please get back to me if anyone can solve this problem. Because im stuck here with a 5.0 Lolipop installed to my phone but my modem and bootloader is 4.2.2 Kitkat. I even tried maually flashing the modem 4 times using Odin but still no luck. Do help me as quick as possible.
AqilM said:
Hello guys, I need urgent help and i think others who are using the same Bootloader and Modem as well as they flashed the (N9005XXUGBNL8) 5.0 Lolipop firmware and fail to update the old bootloader and modem (N9005XXUENA6) 4.4.2 Kitkat using Odin3 v3.10. I've tried every single Odin versions and I followed the steps correctly. As i flash my Note 3 using Odin3 v3.10, it pass and boot as usual but when i check my About Phone in the settings, the Baseband remains the same. Even when i check the Phone Info, Its modem and bootloader is still the old 4.4.2 Kitkat. So how can I fix this? Or do i just flash an old 4.4.2 Rom back to its Original state before Lolipop? I really did tried all the stuffs i know from the web. Please get back to me if anyone can solve this problem. Because im stuck here with a 5.0 Lolipop installed to my phone but my modem and bootloader is 4.2.2 Kitkat. I even tried maually flashing the modem 4 times using Odin but still no luck. Do help me as quick as possible.
Click to expand...
Click to collapse
Gotta flash it twice bro, untick auto restart, flash the modem only and then flash the modem only again
Grantius said:
Gotta flash it twice bro, untick auto restart, flash the modem only and then flash the modem only again
Click to expand...
Click to collapse
Still no luck bro , I think its the bootloader problem. But im not sure if my bootloader is lock or just that this old bootloader is stuck forever. Someone help me fix this bootloader problem on the (N9005XXUENA6) Leak 4.4.2 kitkat firmware.

Downgrade to KitKat from Lollipop Boot up time

Hi guys
So I flashed the NK4 KitKat ROM over the Lollipop ROM I had as I can't stand certain things in Lollipop. Now that I have flashed my Note 4 N910F is sitting at the Samsung Boot screen, the LED is doing the usual changing of colors and that splash behind Samsung keeps going on, but it isn't getting out of it, it seems to be heating up to, is it just taking time optimizing for KitKat or is it Softbricked? Seems to be stuck on boot screen.
Did you hard reset before and after downgrade that's important .
Do hard reset from recovery
1980aksoy said:
Did you hard reset before and after downgrade that's important .
Do hard reset from recovery
Click to expand...
Click to collapse
Thanks, I did that shortly after posting this, all up and running again. Thanks a lot
Did you just flashed nk4 with Odin? Or custom rom? @1980aksoy anyway can I just download 4.4.4 for n910f from sammobile and dirty downgrade with Odin? Or should I wipe before and after Odin flash?
Gesendet von meinem SM-N910F mit Tapatalk
I flashed oldest 1 first NJ4' Then upgrade to NK4 via kies
Before do anything hard reset is necessary .
(Download NJ4 from sammobile then hard reset your device' install via odin wait for device completely boot up then hard reset again then do your personal settings
Connect to kies update To NK4

Phone bootloops to Samsung logo

Hi,
I've run into a little problem with my S5.
I have a G900W8, I rooted it with Towelroot and put custom recovery on it, and updated it the baseband and modem to lolipop ones.
Now, the problem is, ANY rom I put on it, the ROM would boot up fine, then after setting it would crash to the Samsung logo and boot up again and bootloop within seconds after starting up again.
In some cases after installing different roms, "process" would stop responding and the rom would crash to the Samsung logo.
If anyone can help, it's much appreciated.
If you update baseband and modem to lollipop I would assume you could only install Lp roms. I would Odin back to stock. Root recovery and go from there
Sent from my SAMSUNG-SM-N900A using XDA Free mobile app
I did that actually, and even with stock lp firmware, the same thing happens! And the all roms I tried after the baseband and modem update were lolipop! Any other ideas?

Bootloop issues

Hello there. So, this is my actual situation: I have a galaxy s4 on stock Lollipop. Due a few issues, I decided to try to downgrade to kitkat I flashed via Odin a stock kk fw, but unluckyly I Haven't considered Knox bootloader, and now the phone stucks in bootloop. I tried to enter recovery, but it doesn't even work.
Is there any way to save it? Actually, I'm downloading stock lollipop firmware to flash it from Odin. Could it work ?
Thanks everyone will give help
Yes, flash the latest stock ROM in Odin to get the phone back to stock.

A300FU return to Stock

hi Guys
after running Lineage 14.1 for a while i have to return to stock.
After following various guides i am stuck at the samsung boot logo.
Using ODIN i have tried 5.0.1 and 6.0.1 firmware and both appear to flash ok in ODIN with "Success"
After a 5.0.1 flash, it boots and goes through the Android optimising applications process but after that and a reboot it gets stuck again
Flashing 6.0.1 does not even get the the optimising stage and gets stuck
I struggle to boot into recovery and cannot power down at all
Now completely baffled and looking for help.
Thanks -
AirwolfUK said:
hi Guys
after running Lineage 14.1 for a while i have to return to stock.
After following various guides i am stuck at the samsung boot logo.
Using ODIN i have tried 5.0.1 and 6.0.1 firmware and both appear to flash ok in ODIN with "Success"
After a 5.0.1 flash, it boots and goes through the Android optimising applications process but after that and a reboot it gets stuck again
Flashing 6.0.1 does not even get the the optimising stage and gets stuck
I struggle to boot into recovery and cannot power down at all
Now completely baffled and looking for help.
Thanks -
Click to expand...
Click to collapse
Did you factory reset before you flashed stock?
The 1 file "HOME" stock firmware doesn't factory reset after flash, so maybe that's why.
Try find a 4-file firmware of latest version available. They perform reset after flash and usually fixes most software problems.
thanks tys0n for your help and direction.
Managed to get TWRP back and then factory reset + advanced wipe everything
ODIN 6.0.1 and everything is back to stock
thanks again -

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