At&t phone with T-mobile firmware - Samsung Galaxy Note 9 Questions & Answers

i just installed TMO firmware in my At&t phone since i was not able to use wifi calling, but now it works after firmware conversion, my question is how do i get rid of the At&t logo and sound when i start the phone? is there i can put T-mobile logo in its place or something else. thanks

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[Q] Switching to AT&T

Hey,
I just recently moved to the USA and I am trying to set up my Note 3 to work with AT&T but I'm not sure how to do that.
The phone I currently have is a Rogers Galaxy Note 3 N900W8 (Already knox 0x1), and I'm curious what I need to do to make it work with my AT&T sim card.
I was hoping to stick to ViSiOn-X but from what I can see that is not available for AT&T, so I'll probably just stick with the stock ROM, whichever that is.
Though, I do still have a phone plan in Canada and would like to switch between the sim cards so that I can check my voicemail if at all possible.
Is it possible to set up my phone to work with both Rogers Canada and AT&T USA? Or am I required to purchase a factory unlocked phone to do that?
If it is possible, how?
BlameHoffmann said:
Hey,
I just recently moved to the USA and I am trying to set up my Note 3 to work with AT&T but I'm not sure how to do that.
The phone I currently have is a Rogers Galaxy Note 3 N900W8 (Already knox 0x1), and I'm curious what I need to do to make it work with my AT&T sim card.
I was hoping to stick to ViSiOn-X but from what I can see that is not available for AT&T, so I'll probably just stick with the stock ROM, whichever that is.
Though, I do still have a phone plan in Canada and would like to switch between the sim cards so that I can check my voicemail if at all possible.
Is it possible to set up my phone to work with both Rogers Canada and AT&T USA? Or am I required to purchase a factory unlocked phone to do that?
If it is possible, how?
Click to expand...
Click to collapse
You need a factory unlock so you can switch carriers now as for the rom I'm not sure if the rom will work on AT&T, you should check the rom forum an see if other AT&T users used it an if don't already know the Model for AT&T is SM-N900A, also you could always try the rom once you get an sim unlock, an try it with that rom but if it don't work flash a rom that you kno will work
nemopsp said:
You need a factory unlock so you can switch carriers now as for the rom I'm not sure if the rom will work on AT&T, you should check the rom forum an see if other AT&T users used it an if don't already know the Model for AT&T is SM-N900A, also you could always try the rom once you get an sim unlock, an try it with that rom but if it don't work flash a rom that you kno will work
Click to expand...
Click to collapse
Ive got my phone unlocked now, but I think there may be some issues with the ROM. When I first unlocked it I was getting the 4G connection to AT&T. Now I just have the regular phone connection, no 4G. Data is on.

International or T-Mobile ROM on unrooted stock unlocked ATT phone?

Hi. I am new on this forum and don't know much about rooting and the requirements of such high complex stuff. But I have an ATT unlocked phone which I use on t mobile. It's lacks WiFi calling, whxih I want, and the signal is probably 1 bar lower than it should. Not to mention I can't update my software since ATT servers for the update won't communicate with my phone since I'm no longer and ATT customer and they are generally very slow with their updates
Anyway is it possible to put a international ROM, say the new marshmallow ROM, or even a T-Mobile ROM on my phone? How would one do that? I am aware of odin as I use it to update my software from time to time. Do I just get the international or T-Mobile ROM and flash it?
Thanks.
No way , at&t have a locked bootloader, ):
international..any day..dont even think abt it
Been trying to do this forever. Still no luck.
Anyway to unlock the bootloader? Would my best bet to sell the phone and just get the unlocked one?
AT&T no way , yes get the 925f

Firmware refuses to switch, why?

Hi there,
I bought a Verizon Note 9 and switched the firmware to T-Mobile, by first flashing the unlocked firmware, and then flashing the Tmobile fimware. I ended up with a complete "TMobile-ized" Note 9 with the splash screen and all that. During this process I had the TMobile SIM inserted
Now I am looking to switch back to Verizon firmware (long story!). So, I flashed the unlocked firmware, and then flashed the Verizon firmware. However, this time, I am still getting the TMobile flash screen... yet, still see some verizon apps on the home screen. I am also getting TMobile specific prompts. During this process I DID NOT have the Verizon SIM inserted.
Why is that? Why am I not getting the Verizon splash screen?
Do I need to insert the Verizon SIM to get the Verizon splash screen?
tm2016 said:
Hi there,
I bought a Verizon Note 9 and switched the firmware to T-Mobile, by first flashing the unlocked firmware, and then flashing the Tmobile fimware. I ended up with a complete "TMobile-ized" Note 9 with the splash screen and all that. During this process I had the TMobile SIM inserted
Now I am looking to switch back to Verizon firmware (long story!). So, I flashed the unlocked firmware, and then flashed the Verizon firmware. However, this time, I am still getting the TMobile flash screen... yet, still see some verizon apps on the home screen. I am also getting TMobile specific prompts. During this process I DID NOT have the Verizon SIM inserted.
Why is that? Why am I not getting the Verizon splash screen?
Do I need to insert the Verizon SIM to get the Verizon splash screen?
Click to expand...
Click to collapse
Your best bet would be to insert a Verizon SIM while on your current T-Mobile firmware, then flash back to unlocked (with the Verizon SIM still inserted), and then flash back to the VZW firmware.

Firmware changed with new sim, wont go back

I have an AT&T locked Note 9, i paid to have it unlocked and just to test it and make sure it did in fact unlock, i inserted a Sprint sim card into it and it changed the firmware to sprint. now i cant figure out how to get it back to AT&T since now it keep trying to register my phone with the sprint network and i have to disable the system apps to stop trying. Help??
Flash AT&T firmware via ODIN?

Verizon fold 2 can I switch to tmobile software?

So I just downloaded Tmobile firmware and Odin but when I install it when the phone boots up it still shows Verizon, what do I need to do to be able to have it with T-mobile software? Thank you!
If you have a Verizon SIM in the phone then it will show Verizon...

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