So im new to gsm and was wondering - G2 and Desire Z Q&A, Help & Troubleshooting

I know that you can talk and surf the web on tmobile and att now my question is why does it work when you first get on a call but after the data stops or the icon disappears does it not work anymore....this has happened on every rom i use. Sorry if this is deemed a noob question but i have been cdma for 4-5 years...

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Tmobile troubles with minutes/txt.. help?

Hey guys,
I was using my dinc2 in Europe all year and it was great. No troubles there.
I did some research since i've come back to US, and learned that people have been able to use tmobile with their phones. I've only read about some troubles with data plans ... but i'm not trying to use data at all.
I simply want to buy the 1000 prepaid minutes for 100$ from tmobile and pop it in. My plans is to use Wifi with google voice (groove IP) pretty much everywhere, and use the minutes from tmobile only when i'm on the move.
I tried getting a friends tmobile SIM to work just to make sure that there would be no problems, and i failed. It simply doesn't recognize the service.
My phone is S-OFF, hdboot .97, clockworkmodded, and runs Skyraider Zeus.
Is it a matter of running the correct ROM?
rpn377 said:
I was using my dinc2 in Europe all year and it was great. No troubles there. I did some research since i've come back to US, and learned that people have been able to use tmobile with their phones. I've only read about some troubles with data plans ... but i'm not trying to use data at all.
I simply want to buy the 1000 prepaid minutes for 100$ from tmobile and pop it in. My plans is to use Wifi with google voice (groove IP) pretty much everywhere, and use the minutes from tmobile only when i'm on the move. I tried getting a friends tmobile SIM to work just to make sure that there would be no problems, and i failed. It simply doesn't recognize the service.
My phone is S-OFF, hdboot .97, clockworkmodded, and runs Skyraider Zeus. Is it a matter of running the correct ROM?
Click to expand...
Click to collapse
We have 2 DI2 and running both AT&T Prepaid and T-Mo Prepaid on it - no trouble with voice with Skyraider Zeus v1.3 or Nitsuj17's Stock Sense rom - APN settings for AT&T was auto-updated as I recall and being provisioned with a data bundle in the plan, it works. For T-Mobile, there are no default APN settings under GSM mode pre-loaded, but as you know, it's not required for voice & SMS to work on the DI2, you will get a "redirect" screen if you launch the browser to sign up for a data plan for it to work (and, that's indication of a working Sim card)
With the sim inserted & switched over to GSM, does it identify the "T-Mobile" network on the lockscreen or homes screen at all? after a reboot ? If you're running SR Zeus in Europe - then, there's no reason for it to not work here in the U.S.- recheck your settings for Mobile Network ...

[Q] Can I make calls on the SM-T217S??

Hello,
I have searched throughly for my questions but didn't find anything unfortunately...
Will the tab 3 SM-T217S be able to make calls? I am talking regular calls not using apps that use data.
I live in a country where there is CDMA network provider and heard that there is no dialer on this tab which is important for me to programme the tab into my country's CDMA network provider.
I also came across a forum where it said the call functionality is there in the tab 3 but sprint has blocked it because the will only give you a plan with data not voice, so does that mean that if the SM-T217S gets programmed to another CDMA provider the call functionality can work normally??
I appreciate any help guys and thanks in advance!
Yafi3i said:
Hello,
I have searched throughly for my questions but didn't find anything unfortunately...
Will the tab 3 SM-T217S be able to make calls? I am talking regular calls not using apps that use data.
I live in a country where there is CDMA network provider and heard that there is no dialer on this tab which is important for me to programme the tab into my country's CDMA network provider.
I also came across a forum where it said the call functionality is there in the tab 3 but sprint has blocked it because the will only give you a plan with data not voice, so does that mean that if the SM-T217S gets programmed to another CDMA provider the call functionality can work normally??
I appreciate any help guys and thanks in advance!
Click to expand...
Click to collapse
Hey, i was about to purchase this to flash to IUSACELL Mexico, but instead went with the ATT version with SIM card because i have a better data plan with GSM provider than CDMA provider.
But i did some research prior going with the gsm tablet, and it appears you can flash it with DFS cdma soft, and of course if the new plan has DATA/VOICE it should work like a phone and sms and all that, providing you download a dialer and use an external hands free headset (i dont think it has a speaker like the GT3 8").
You wont find much information, all has to be done with trial and error.

Add T-Mobile Wifi-Preferred calling VOIP to non tmobile ROM

Hey guys, I've been trying to figure out how to Add T-Mobile Wifi-Preferred calling VOIP to non tmobile ROM as I just copied/pasted the title lol. My ROM is DN3 by electro-team.com & they already told me they didn't have it. I've found a wifi-preferred.apk on this xda but it was from a pretty old post & it crashes on launch.
Somewhere I read where it calls on code in the tmobile stock ROM's system partition or something like that. I live in a valley at the bottom & I get zero or 1 bar by my window but no service in most of my house. I didn't realize that T-Mobile was the only phone provider that offered true VOIP wifi-preferred calling....I have been with them for 8 years lol. I'd get calls through my internet router's connection even when I was out of cell tower 4G LTE range! Man if I would have known that I would never have flashed a non-Tmobile ROM. Plus to top it off I had a defective microSD card so even though my NANDROID backup said it saved, it was gone on reboot...ugh bad luck.
I just got this ROM set up the way I want it....I'd hate to hafta flash another. Let me know PLEASE if anyone of you smart ladies & gents knows how I can get Tmobiles "wifi-preferred" calling back on my phone.
Thanks guys!
Unless I'm mistaken (but I don't think I am), you can't have native WIFI Calling on non-Tmobile Roms. For that, you will have to flash a stock Rom.
I use this one:
http://forum.xda-developers.com/showthread.php?t=2564430
You can also use 3rd party apps to make VOIP calls. Google Voice is also a good alternative.
Sorry for the bad news and good luck.
Sent from my SGH-T889 using xda premium
wifi-preferred not wifi calling
I have a $60.00 a year skype plan & number that works well. But I want to use my "carrier" number. I have google voice & google hangouts but with hangouts dialer it still only calls phone numbers on LTE networks...doesn't work over wifi internet connection, unless ur calling someone by hangouts username. All phone number calls go out through LTE only on google hangouts/voice dialer thing.
I'm talking about "WIFI-Preferred calling" not wifi-calling....they have the terminology all confusing when you google it. There's got to be a way. I know non-stock ROMs that say they have it. I've found 2. I'll look up what they are called.

Straight talk galaxy s3 Verizon version

I have the straight talk galaxy s3 that runs on Verizon towers...I have my contract 4G sim in the phone running a Verizon rom and everything does work but it roams everywhere I go and I don't get any 4G (disabled by straight talk). I was wondering if flashing a sprint rom would help at all? I seen the sticky saying not to flashing any rom from another carrier but I've flashed dozens of different roms and all has been good except the roaming. Anyways, just wanted to see if I could get some help here. Thanks in advance
What would it take to enable the 4G on this phone?
brd912 said:
What would it take to enable the 4G on this phone?
Click to expand...
Click to collapse
You might have to configure your APNs, or, if you haven't for a long time, you might need to update your modem, since you don't get that sort of update with custom ROMs. On my Virgin Mobile phone, I have to flash an APN fix on every new ROM, otherwise I just have 3G.
Powered_By_Linux said:
You might have to configure your APNs, or, if you haven't for a long time, you might need to update your modem, since you don't get that sort of update with custom ROMs. On my Virgin Mobile phone, I have to flash an APN fix on every new ROM, otherwise I just have 3G.
Click to expand...
Click to collapse
The straight talk version I have runs off Verizon towers and they have 4G disabled but the phone is suppose to be 4G enabled. The apn fixes didn't help. I'm wondering if this would need something like cdma workshop.
Ah, I see. Yeah, if the 4g is blocked on multiple ROMs, you'll need an app to fiddle with the sim card. Hopefully it's not hard blocked (a physical switch or the card is incapable of it even though the phone is)! I'd try to contact Straight Talk and/or see if it works on stock. If you're trying to get 4g without straight talk knowing, well, I don't know much about that, but CDMA workshop or something similar might be worth a shot.
I was thinking cdma workshop would be the answer but I don't know where they have it turned off. It sucks being confined to 3G when the phone is 4G compatible and straight talk will allow 4G on there Verizon network now.

Help with G3 AS985 please

I hope this is not going to be a repeat thread and I apologize if it is, but I have searched all of XDA( which is amazing and has some extremely talented people) and all of the internet with no answers. That being said, I have a G3 as985 32 gig. This phone comes from Bluegrass Cellular which is a small carrier in Kentucky but shares it's towers with Verizon. Here in the middle of nowhere, they are the only way to get decent service. So, in order to root my phone I had to downgrade to a Verizon firmware( vs98510b) and from there could flash any ROM for that model phone and it worked beautifully. I am currently running crdroid 7.1 build and it's great except for the APN settings. It continues to show as Verizon service, so my data will not connect to LTE and mostly shows roaming which I am not. I have tried every solution posted on the internet with no success. I can delete every APN except for the Bluegrass Cellular that I enter but nothing changes. Is there anything I can flash to make my phone recognize a certain APN, or any way at all of forcing an APN to be used? I am so confused at this point and just need some guidance from smarter people than me. I will answer any questions happily for the chance of finding my answer. Sorry for the long post. Thank you so much.

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