Galaxy g965u1 on ATT prepaid - Samsung Galaxy S9+ Questions & Answers

Well, I put the AT & T firmware put on my Galaxy 965u1 but since I am on ATT prepay Wi-Fi calling does not work and it looks like they do not offer volte on ATT prepaid, can anyone confirm this?

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[Q] T-mobile blocked Canadian netowrks?

So i got a tmobile Samsung Galaxy s Vibrant right. and i live up in canada the phone is unlocked and everything but i cant connect to 3G data... i keep hearing thins around the web of people saying tmobile has Blocked the frequency of 3G Data in canada. is that possible? or just a rumor? cause i would just LOVE to use this phone to its potentional not just talk and text....
Only Wind and Mobilicity are gonna work. I'm from Toronto though don't know what else is available Canada wide. All others you are gonna need either the i9000 or the captivate for bell and rogers
3g worked up in canada with a rogers network SIM for me. That was about a month ago. I'm going up Thursday will let you know. Typically I travel to Vancouver weekly and swap my tmobile sim for a rogers.
Well i have a rogers sim car with an unlocked Tmobile vibrant. so i dont get it... it works for some but not for others?
Still works for me. In Richmond BC right now on rogers sim speedtest results 3617up 478dn

Verizon s5 to T-Mobile

So I'm switching from verizon to T-Mobile after this month and I was wondering what would be the best way to flash the T-Mobile firmware and get rid of the verizon firmware?
Firmware is not the problem. TMO & ATT have GSM radios, Verizon & Sprint are CDMA. Your Verizon S5 *will not* connect to the t-mobile network no matter what firmware you are running. T-mobile probably still has a very generous trade-in program.
Actually the Verizon S5 should work as it contains an LTE radio, meaning GSM functionality is present. Furthermore, the Verizon model comes unlocked as per FCC regulations. You will need to set the proper APNs to get connectivity on the Verizon S5, however.
Short answer: The S5 works on TMO.
I just made the same switch two months ago. I had two S5s and an S4. My dad is still using his VZW S4 on TMO and I used both of my S5s. However, the coverage seemed to be less than optimal and I wanted the WiFi calling options so I bought two used TMO S5s and my dad is getting a Kyocera Hydro. Even with the cellspot extender my dad's S4 won't make a call at his house.
I guess I got it wrong. DOH! Thanks for setting me straight. So what about going the other way, would a TMO S5 work on the Verizon network?

unlocked tmobile s7 on straight talk att sim

I have a tmobile s7 i use straight talk with an att sim.. my sim works fine and most functions are working but i can not get lte. Can anyone help? Is it possible to use a tmobile s7 and use it on straight talk with att service? Thanks for any help

Question About International Version

I live in the US, and I am currently subscribed to Verizon Wireless Prepaid Service. I was thinking of buying the S9+ International Exynos Unlocked Version. I know that it doesn't have CDMA support.
But here's my question:
I have a S8+ which was bought from T-Mobile, and it didn't work on Verizon Wireless because it wasn't registered. So I flashed the firmware and it worked. I later got a B.Y.O.D simcard. This would mean that the GSM(Sim Chip) is the provider of the Verizon Wireless service.
So is it possible that the S9+ will work on Verizon Wireless as did for my S8+?
https://www.prepaidphonenews.com/2018/02/rumor-verizon-to-end-3g-and-non-volte.html
Thanks!

S10 SM-G973U1 AT&T Prepaid Wifi Calling

Hi, I'm new here.
I own Universal Unlocked Samsung S10 Model # SM-G973U1 purchased directly from Samsung. I originally activated it on the Boost Mobile network and Ive decided to switch to AT&T prepaid service. I find out that the SM-G973U1 apparently wont utilize the AT&T Wifi Calling (Per: AT&T Forum). I was informed I'd need the SM-G973U.
I'm also not sure if I'm even getting the 4g connection (My phone shows LTE, LTE+, H, H+ and no connection).
I believe I have bad cell reception in my house.
If I were to install the SM-G973U firmware onto my SM-G973U1, would this solve my problem?
Will my phone still be an Universal unlocked phone?
If I choose to switch back to the SM-G973U1 firmware should I be OK?
Would I need to do the same if I were to switch to T-Mobile?
Would I be better off switching to T-Mobile?
Any other thoughts about this topic I should be aware of?
Thank you for your time.
Robert

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