[HOW TO] Flash U1 firmware to U device

[Youdoofus]

The difference is having the devices IMEI in the carriers system. US Cellular and AT&T do the same as well, If they didn't sell it, they won't allow certain features to work on that device, no matter what.

yeah, thats just features tho. The carriers get the IMEI listings from the mfgs and are able to allocate them in the telephony system as they see fit, they just choose to not allocate full features to handsets they didnt sell. They have the right to do this, but this is surely a strategic maneuver. I wont claim to know what the MVNO's business models are, but its fairly safe to assume that they dont want a huge market share as they merely rent airspace from one of the big 4, and i cant imagine that the big 4 have that much bandwidth to spare so that its competition can cannibalize its own physical infrastructure.

 

[tailgunner9]

I have ATT S10+ with sim unlocked. Want to try U1 firmware but want to keep my VoLTE & Wifi calling!!!
So which files to I flash to keep them, CSC or Home CSC???

 

[arc1976]

Hey, I am trying to flash U1 fimrware on T-mobile galaxy s9 G960U, when I use files provided in this thread(Odin3_v3.13.1_3B_PatcheD, G960U_RB7_1) the odin crashes. The phone runs on android 10. Please Help

 

[jcsww]

Hey, I am trying to flash U1 fimrware on T-mobile galaxy s9 G960U, when I use files provided in this thread(Odin3_v3.13.1_3B_PatcheD, G960U_RB7_1) the odin crashes. The phone runs on android 10. Please Help
View attachment 5220793

The image you are flashing must have the same or a newer bootloader version to successfully flash. The image you are flashing has bootloader version 1. Look at the last 5 characters if the firmware version currently on your device. 1ARB7, as an example, has bootloader version 1.

 

[jrockz5000]

What am I doing wrong with my S9 SM-G960U? My S9 is loaded from AT&T. I was able to flash it using Odin and firmware G960U1UES9FUG2_G960U1OYM9FUG2_XAA SM-G960U1 The flash works great but when I flash it again with the T-Mobile FW SM-G960U_TMB_G960USQS9FUG2 Odin states that is passed, the phone reboots but it reverted itself back to the AT&T FW. After flashing to the U1, I did enable DEV options and enabled USB Debugging before flashing with the TMO FW.

I see in the other post\responses that it is said that the boot loader has to be the same or newer as the original and as far as I'm aware they are.

Also, I'm not sure if it matters, but my One UI version is 2.5, Android 10

 

[alex_terrans]

If i change from g960u verizon to U1 firmware.
if i switch to this i can keep getting ota updates? Thanks

 

[jcsww]

If i change from g960u verizon to U1 firmware.
if i switch to this i can keep getting ota updates? Thanks

If you convert it properly. Yes.

 

[SNEEED]

How do you even get it to work? I can't get past "Can't open the serial(COM) port." in odin 3.13.1 3b with my verizon unlocked g960u (G960USQS9FUG2)

 

[Markeee]

What happens if your on a U1 unlocked version running U1 firmware and you flash the U carrier version using Home CFC so not to wipe.?

Will it still factory reset going from U1 to U and will you still get all the carrier version mess and bloatware if you don't flash userdata ?

 

[Lcdshop]

hello! need help.
i have A11 which i flashed to a U1 version with success. now the phone is locked and i need the unlock app that was pre-installed on the original metro pcs u version.
with odin i installed a U version so i can get all these apps and now my phone is bootlooping.
any idea?

 

[jcsww]

hello! need help.
i have A11 which i flashed to a U1 version with success. now the phone is locked and i need the unlock app that was pre-installed on the original metro pcs u version.
with odin i installed a U version so i can get all these apps and now my phone is bootlooping.
any idea?

Flash it back to the full Metro firmware, get the device permanently unlocked, then flash it back to whatever firmware you want to be on.