Still having bad connection with new modem - T-Mobile Samsung Galaxy S 4

How do I check if my T-Mobile phone is roaming correctly on AT&Ts voice network? I can find the data roaming option under settings but since I have updated to 4.3 ROMs and above the voice roaming setting disappeared.
I have T-Mobile postpaid non-contract so I should be able to voice roam on AT&T for free. I am having spotty coverage issues after updating to 4.3 ROM and I have verified that I am on new MK2 modem that I successfully loaded through ODIN. The last time I had this spotty issue it was caused by a ROM that turned off my voice roaming. Does anyone know easy way to check whether voice roaming is enabled? There is a big difference between T-Mobile's prepaid and postpaid networks in Southern California.
I am running Infamous 9 with ktoon kernel.

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Have a few questions.....

ok I have a couple of questions. I am currently running Cyanogenmod 6.1 which is the best rom lol...sorry had to say it. I know I can force roam to Verizon using the built in tool. My first question, why is it when i roam on Verizon I will only receive phone calls when I have data disabled??? data on Verizon is 1x which is used for voice/text. When i have the data option enabled....it puts the caller right to voicemail. Questions number 2.....Is there anyway to use a toggle to switch between EV-DO and 1X... thanks in advance.
i thought if you force roaming it roams off Alltel? my PRL is 60672
getlikeme2007 said:
i thought if you force roaming it roams off Alltel? my PRL is 60672
Click to expand...
Click to collapse
I believe you are correct....it will roam on either verizon or alltell, but if i have data roaming on i will not receive phone calls. I am trying to get 1X only on sprint. If i turn off the data connection it still shows it as connected to EVDO if I look under status and network or connection

INC2 GSM Problem......

...................
rooted? unlocked? rom or stock verizon?
also how are you verifying you have t-mobile "signal"? call or text yourself.
Our rooted DI2 was unlocked via VZW before going on our Bermuda cruise last month, worked great for voice & incoming SMS roaming on prepaid carriers - black one running SkyRaider and red w. Condemned's Sabotage Sense, also switched to my China Mobile 3G Rom and had a very good signal - using the island's DigiCel partner's signal tower ... same on the ship as we switched off our CDMA services. I didn't change the APN settings for SMS/MMS and had issues not being able to send outgoing msg, something I didn't planned on doing ...The installed ROM was able to pickup and lock on a GSM signal fairly quickly and showed service on our devices.
Back in the States, if I switch to over to GSM only, we will pickup a very good signal for T-Mobile, AT&T; or, China Mobile 's Sim via AT&T or T-Mobile, good enough for voice calls & SMS. It depends, in part, on your GSM carrier's tower and partner carrier lists.

Unlocked Incredible 2 but data plan and 3g not working

Hi All ,
I had Vz droid Incredible locked. Last week i moved to att and so unlocked the incredible 2 with some unlock code . It started working on att network i'm able to make call and receive calls. But the data plan (mobile internet )and 3G is not working. Please do you have any suggestion on how to get this working.
Vivow HBOOT - 0.98 and android : 2.3.4
thanks
kevin.
You will never get data because the radio in the dinc2 can't pick up the frequencies of at&T's data network.
Sent from my ADR6400L using Tapatalk 2
I thought you could get 2g speeds on ATT and Tmo.
Check in your settings to make sure you have all network settings set appropriately.
OP, are you running VZ's factory (HTC) ROM or custom ROM (Sense or ??) and was your DI2 unlocked by code via eBay or by VZW Global Support while you're on CDMA with Big Red?
Can you switch to GMS/UMTS setting - and check to see whether it's picking up AT&T and/or T-Mobile - and you are in the US, correct? Are you on prepaid or postpaid with AT&T and is data enabled on your account?
Mine was rooted & unlocked via VZW, and GSM voice/SMS worked fine - running SkyRaider, CS's lates CM7.2 & NJ's Sense2.1/3.0 stock roms - (E)dge or 2.5/2G data works on my AT&T Gophone SIM with data but won't work on T-Mo unless I subscribe/add the data option. For overseas travel, my China Mobile HK prepaid Sim worked great for voice, SMS & broadband on PAYG basis here in the US too - roaming on its partners, either AT&T or T-Mobile (it's on Edge/GPRS only, I think - as I don't need to run up pricey charges for broadband access, use WiFi when I'm on this CMHK account) - when we're in Bermuda last month, same Sim roamed on DigiCel and it showed 3G connection.
Most likely, you will need to clear cache & reset your DI2's browser settings, and maybe modify the APN to get broadband/MMS to work properly, assuming that you are provisioned properly ...
Thanks for your replies.
yes i did some APN settings and mobile internet worked. But working for only Edge data connection not for 3G. This phone is still having VZW ROM (android build), But if i root it and change the android to ICS, do you people think it will work on 3G.
I need to have 3G running on my phone because of att poor service, I'm using the micro-cell to get the att service at my home (micro-cell works with 3g phones). Any suggestion please.
thanks

VZW no 3G (PRL issue)

Hello
I use a regional carrier in Western NC with a Moto milestone plus. To solve roaming issues, I've been running, mostly successfully, with the VZW PRL 52870. This carrier is allowed to roam in VZW, however Sprint is preferred in their default PRL.
The issue I have experienced is that I get no data at all in FL. Literally, a mile after crossing the state line I lose data. I have tried other VZW PRLs without success. If I load a Sprint PRL I get (slow) data. Also when using the default carrier PRL it uses Sprint, except in areas with no Sprint coverage then it goes with VZW without data. For example in the Tindall or Appalachicola areas, VZW only, and guess what - no data!
Can anyone offer a viable suggestion?
Thanks!!!!

M919 not roaming to at&t's network

Do i need a special APN for at&t?
I have enabled roaming and data roaming in the settings
but no data connection. Even when i manually connect to it!
Im running virgin rom 4.4.2 w/ t-mobile csc's
Baseband is M919UVUEMK2
I've also yet to see any roaming on my phone, and I've had my cell service get 0 signal sometimes in heavily concreted buildings and AT&T's signal should penetrate those fine but nope, nothing. Every time. Always get no signal and no roaming.
Are our phones able to even pick up the AT&T frequencies?
Good question.
I like to know how to connect to AT&T as well.
Sent from my SGH-M919 using xda app-developers app

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