[Samsung Galaxy S10+ Guides, News, & Discussion] d0bander:
Hello,

SO I've been doing some research for a few days on how to flash my

Galaxy S10+ TMobile branded SG975U to a U1 or any other U firmware, but am having no success.

- I've downloaded multiple different U and U1 firmware, trying both binary 1 & 2, and different carriers as well as T-mobile firmwares.

- I've downloaded the patched Odin 3.13.1 and 3.13.3 B Versions (which got me away from the SHA256 error/fail in other Odin versions), now receiving this error:

ID:0/003 SetupConnection..

ID:0/003 Initialzation..

ID:0/003 Set PIT file..

ID:0/003 DO NOT TURN OFF TARGET!!

ID:0/003 Get PIT for mapping..

ID:0/003 Firmware update start..

ID:0/003 NAND Write Start!!

ID:0/003 SingleDownload.

ID:0/003 abl.elf

ID:0/003 FAIL! (Auth)

ID:0/003

ID:0/003 Complete(Write) operation failed.

OSM All threads completed. (succeed 0 / failed 1)

- I've downloaded Frija to help me make sure I'm getting the right files. I've also downloaded from Samm Mobil, and easy firmware keeping in mind to uses USA CSC codes (maybe i'm still not downloading the right files??)

- I have the latest Samsung drivers installed

I've followed these instructions by Member "iBowToAndroid" when flashing from U to U1 :

"Anyone can flash any update - USERDATA isn't required unless you're changing from U1 to U, or from one carrier to another."

1. Wipe in recovery -->reboot bootloader-->flash U1 firmware with non HOME CSC

2. Upon boot, watch for the popup that says "your device will restart to apply new carrier settings", and do it. Make sure your desired SIM is inserted for this step.

3. After that finishes, power off, boot to download, and flash desired U firmware with non HOME CSC and desired USERDATA. That should give you all the desired carrier settings - and bloatware."

I've also tried to flash new firmware on my Spectrum Mobile branded s10+ and am running into the same issue, which tells me it is something on my end I am doing wrong.

I recently got the Tmobile branded because it has WiFi Calling whereas the Spectrum Mobile does not even have this as an option in the Phone app settings.

I bought an unlock code through a 3rd party, and received the codes, however the Tmobile branded galaxy has a stupid Tmobile unlocking app forcing me to go through Tmobile to make sure I meet their requirements first before I get an unlock code (I do not have a Tmobile account).

I figured I could get around Tmobiles bloatware, and install new firmware, and be able to enter my Unlock code when prompted after the new SIM card (Straight Talk) is recognized.

I realized that I could also probably install a different carrier's firmware on the Spectrum Mobile to see if I can get WiFi Calling back, but either way have had no success with both phones when it comes to flashing firmware

I've noticed the Bootloader is different on both phones:

Spectrum Mobile Branded:

Generic Downloading screen, reading (after trying to flash in Odin)

SW REV CHECK FAIL : abl]Fused 2 > Binary 1

T-Mobile Branded:

RPMB fuse Set

RPMB PROVISIONED

(White Text)CURRENT BINARY: Samsung Official

FRP LOCK : OFF

KG STATUS: PRENORMAL

WARRANTY VOID : 0x0

(Yellow Text) QUALCOMM SECUREBOOT : ENABLE

(Gray Text) RP SWREV : B2(1, 1, 1, 2, 1, 1) K2 S2

(White Text) SPU[VALID] :5

DID : 2030A5B6537F7E11

"SW REV CHECK FAIL : abl]Fused 2 > Binary 1

Also, there is a DID Barcode in the bottom right

Any suggestions on how I can troubleshoot? I'm not sure what questions to ask or where else to look.

TIA

-Rob