Still seeing old carriers boot logo

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Android Central Question

I purchased a Galaxy note 8 from Verizon years ago. After being with Verizon for a year I switched to TMobile to save some money and I brought my Verizon note 8 with me. I used the note 8 on TMobile for another year then I switched back to Verizon and got the pixel 4xl. I sold my old note 8 to a friend who was using straight talk as his carrier. The TMobile boot screen still pops up and he still get messages from T-Mobile and he doesn't have data when he is talking on the phone. Is there a way to fix this? The phone is unlocked and paid off. TMobile says they don't know how to get their stuff off the phone. Also I feel like they are messing with my data. I can't receive pictures unless connected to WiFi Any help is much appreciated.
 
Unfreeze code removes boot logo and all traces of Spectrum, unlock code alone does not.
Just spent ages with Spectrum tech, said unfreeze code would remove the junk.
Oh ok yeah dont worry then just flash the unlocked firmware , trust me you wont get any carrier logo or bloat
 
File I downloaded from Frija using G996U1 as suggested
G996U1 XAA
G996U1UEU4AUI7/G996U1OYM4AUI7/G996U1UEU4AUI7

Downloaded and unzipped, ready to roll this weekend.
Unfreeze code is only if unlocked code doesn't work.
Pray it works with unlocked firmware.

One query, matter if SIM is in or out?
 
File I downloaded from Frija using G996U1 as suggested
G996U1 XAA
G996U1UEU4AUI7/G996U1OYM4AUI7/G996U1UEU4AUI7

Downloaded and unzipped, ready to roll this weekend.
Unfreeze code is only if unlocked code doesn't work.
Pray it works with unlocked firmware.

One query, matter if SIM is in or out?
It shouldn't but try either way
 
I have the weekend so starting process of flash my phone. adb won't go pass "waiting for device"
All USB drivers installed, abd sees the phone by serial number, just doesn't go far enough.,
Spent last 4 day doing dozens of searches, but with same instructions. No Go.
Thanks all.
 
I have the weekend so starting process of flash my phone. adb won't go pass "waiting for device"
All USB drivers installed, abd sees the phone by serial number, just doesn't go far enough.,
Spent last 4 day doing dozens of searches, but with same instructions. No Go.
Thanks all.
You dont flash with ADB , do it in download mode with Odin
 
You dont flash with ADB , do it in download mode with Odin

Didn't explain it very well. Have odin to do flash.
Using adb trying to get "oem unlock" it sees device, but adb is stuff on finding device.
So no oem unlock in Developer Settings, cannot boot in to flash mode to even use odin.
Sorry for the confusion.
 
To be clearer. adb devices in cmd shows phone.
fastboot devices doesn't see phone.
All drivers installed, days searching, cannot find solution.
Thanks.
 
1. Most samsung devices don't have fastboot commands.
2. Samsung US devices don't have unlockable bootloader and is not needed to flash firmware.
3. You will need to enter download mode via button configuiration
or if in android system using

adb reboot bootloader.

Then you can use odin to flash firmware.
 
1. Most samsung devices don't have fastboot commands.
2. Samsung US devices don't have unlockable bootloader and is not needed to flash firmware.
3. You will need to enter download mode via button configuiration
or if in android system using

adb reboot bootloader.

Then you can use odin to flash firmware.

Thanks, already tried "adb reboot bootloader" flies right through and boots up normal.
All searches have been how to use fastboot on Samsung phones to enable oem unlock.
Followed instructions to a tee.
Just can't get oem unlock to show in Developer Settings.
Thanks.
 
Last edited:
On samsung you don't need to unlock your bootloader.
US devices U, U1, W don't have bootloader unlock option developer menu.
Download mode is samsung's version of fastboot mode.
 

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