My AT&T S4 mini SGH-I257 was unlocked - Galaxy S 4 Mini Q&A, Help & Troubleshooting

My s4 mini was unlocked from AT&T and is now on T-Mobile whenever i go to use the dial pad ut drops the carrier and i have to manually search for the carrier again. Is this a common issue with this model? Is there a safestrap and custim rom for this model?

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[Q] NOTE 2 - Flashing for LTE

I just picked up a Samsung Galaxy Note 2 (model: SGH-T889V) from my local WIND Mobile carrier in Canada as a backup device. To my knowledge, this is the same variant which is used by T-Mobile. I'm told the device hardware supports LTE but since WIND Mobile is not a premium carrier, Samsung has crippled this feature.
I have a Note 3 and after unlocking the device, I was able to use chainfire's method for ROOTING the device, installing TWRP recovery and then flashing with the Telus Mobility ROM (as all Canadian Note 3 devices are the same variant: SM-N900W8).
My concern is I am new to ROOTING/FLASHING and have searched the forums but am looking for concrete advice so I do not end up bricking my device. I am currently running Android 4.1.2 (stock from WIND at day of purchase) and when I go into the regional carrier settings, I do not see the regional code for Telus (TLS). I did see this on my Note 3 but I did not look until after unlocking and rooting so maybe it will not display until the proper ROM is loaded.
My questions are:
1) Can I use the same version of ODIN I have downloaded when ROOTING/FLASHING my Note 3?
2) Can I flash the same version of TWRP I did for my Note 3 or is TWRP device dependent? If I need a new version, could someone post a link for my model: SGH-T889V?
3) Can I flash the Telus ROM for their Note 2 variant (like I did my Note 3) or will this brick my device? If not, what ROM can I flash so I have LTE capability?
With my Note 3, it was straight forward! All I did was ROOT, FLASH TWRP recovery, install the Telus SM-N900W8 ROM, enable the regional setting for TLS and voila, I had LTE. I'm going to assume it's a little more difficult with the Note 2 but answering my questions and the guidance you provide would be much appreciated and help in my process. Thanks!

[Q] Can i add Canadian stock rom in international N7100 possibly asian network ?

Hello I have this note 2 N7100 international model. Is it possible can i put Note 2 stock rom for any Canadian network like rogers, bell or telus canada ? i could be some asian network but i am not sure about the network .

[Q] Can I convert n9005 to n900t Stack firmware?

I have a n9005 that I use internationally most of the year. I would like to use T-Mobile LTE bands and wifi calling when I am in the US with a T-mobile sim card. Can I install stock n900T on my n9005? If so, how? Can I then convert it back again?
Thank you.

galaxy s4 wont work on wind

alright, so today i restored my tmobile galaxy s4 to 4.4.2 stock, I did that AWS stuff... and when i inserted my WIND sim card, it puts me into the "AWAY" network.. Now if i want to select another network I get Telus, Rogers, Bell.. NO WIND!
Before I did the AWS thing, I only had AWAY, AWAY, AWAY
(I restored the s4 to 4.4.2 because the wizcyan rom didint make my pc detect the com ports)
please help with me, im not the best with android but i know my way around things usally
this phone worked with other networks like Chatr, T-Mobile (obviously) Rogers, and fido
also its rooted
Which aws thing did you do? I believe the wind and T-Mobile s4 is the m919. It's possible that the phone cannnot connect to the wind towers in your area.
I'm not sure where you are located but many people on different forums complain about wind's poor signal and coverage.
the one where you flash the qcn file
also, wind updated to Freedom Mobile, and they have LTE rolling out, does that make a change, so then I can use wind without flashing the qcn, or do they still use those different frequiencies?
sorry i'm kinda a noob.
What is the phone's model # in download mode? If it is sgh-i337m, the s4 is not from T-Mobile. The T-Mobile s4 (sgh-m919) supports all of Wind/Freedom's frequencies @ 3g and would not need any patch to work.
Oh yea, forgot to say, I flashed T-Mobile firmware on it cause i thought it would make a difference.
but on any rom, I get ROGERS, TELUS, BELL.
before the qcn flash, I got AWAY, AWAY, AWAY
Away is winds roaming network.
Also they upgraded to LTE in some areas
What is the model # in download mode?
You flashed stock T-Mobile firmware with Odin?
No, its a dedoxed ROM, also here:
This is what it says
ODIN MODE
PRODUCT NAME: SGH-I337M
CURRENT BINARY: Samsung Official
SYSTEM STATUS: CUSTOM
KNOX KERNEL LOCK: 0X0
KNOX WARRANTY VOID: 0X1
CSB-CONFIG-LSG: 0X30
WRITE PROTECTION: ENABLE
eMMC BURST MODE: enabled
The s4 is not a T-Mobile s4, it's a Canadian s4 (i337m) issued by rogers, bell, Telus and has no native aws support with the stock rom.
T-Mobile and wind/freedom use the m919.
You used this guide: http://forum.xda-developers.com/showthread.php?t=2291589 ?
audit13 said:
The s4 is not a T-Mobile s4, it's a Canadian s4 (i337m) issued by rogers, bell, Telus and has no native aws support with the stock rom.
T-Mobile and wind/freedom use the m919.
You used this guide: http://forum.xda-developers.com/showthread.php?t=2291589 ?
Click to expand...
Click to collapse
Does it make a difference if wind switches to LTE networks?
The Canadian s4 does not support Freedom's LTE frequency band.
http://mobilesyrup.com/2016/11/27/freedom-mobiles-wind-mobile-lte-network-now-live/

Can I flash Verizon branded Galaxy Note 10+ 5G to At&t

I have Samsung Galaxy Note 10+ 5G from Verizon that I bought a year ago. It is fully unlocked and I changed my carrier to AT&T. However, I don't see wifi-calling feature anymore. So, I was wondering if I can flash it with AT&T firmware and get the wifi-calling feature back.
Model : SM-N976V ,
CSC : VZW
Can I flash with SM-N976U ? If so, can someone also point me to the download link for CSC:ATT ? I tried finding on sammobile but didn't find it (I see only T-mobile and TMK)
If the N976V is U4 or lower, short answer = possible, risky.

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