S3 wont connect to t mobile network - T-Mobile, Samsung Galaxy SIII

I was running wicked series rom for about a month and a half and the other day my phone wouldn't send or receive texts calls etc. The sim card is good and the phone shows 5 bars signal strength but it wont connect to the tmobile network. I have flashed other custom roms and also went back to stock nothing has fixed the problem. I get the error message "Restricted access changed voice service is blocked" Tmobile says there is nothing blocked on the account. I have tried manually connecting to the account, factory reset etc. nothing has fixed it it just sits there searching for the networks Any ideas?

Have you tried flashing a new modem? Did you buy the phone new?

Blacklisted.
Sent from my SGH-T999

lazarat said:
Blacklisted.
Sent from my SGH-T999
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I don't think it's that simple. I just got the error and I've only been with tmo for a month. I bought the phone from them. The only thing I've done is rooted and debloated my phone. It cleared up after turning the wifi off and back on.

Related

mobile data not connecting

So my t989 is rooted but with stock rom kernel and radio. Since yesterday my phone won't connect to 4g, 3g, or edge. I tried taking the sim card and battery out to no avail. I put my sim in my nexus s and i get 3g. So its not a problem with my account or the network.
check APN settings?
remember to freeze the Tmo crapware?
thanks..for some reason, data packet was unchecked...i never tampered with it though...its working now
wildside84 said:
thanks..for some reason, data packet was unchecked...i never tampered with it though...its working now
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i ran into this incident a couple of times, first time thought it was tmo's network, but after a night of sleep it all went well again. this happened just after i rooted my phone for the first time too.
2nd time was a couple weeks back, the data just stopped completely without a warning or notice. i call in tech support and they told me to check the data packet, once checked it was all good. i know i've never touched that option before, but just didn't know why it was unchecked.

[Q] No signal, calls or texts but I'm still able to use data

For about a week now my phone has been showing no bars and is always looking for service however I am still able to use data with the WiFi off. Text and phone calls do not work. Went into verizon they reset my signal ad gave me a new sim card and still nothing. Service is good where I am. They would have replaced the phone if I was still under warranty. Weird thing, when I'm connected to wifi, the mobile network state is disconnected and when wifi is off it changes to disconnected. Don't know if that is significant, but is there anything I can do or Is the phone broken?
If toy have a back up of your eds that's going to be your best bet
Had the same problem. Called Verizon tech support they ran a couple test and then signed me up for extended warranty and sent me a new phone. It could be worth a try.

[Q] Galaxy Nexus complete loss of Mobile Data

I have a Verizon Galaxy Nexus running 4.2.2. I had installed AOKP a few months ago and it worked great. On Saturday my phone died and I didn't recharge it for about a day and when I did I couldn't get any mobile data. There are no bars at all and in the settings->Phone Status it says 'service state: out of service' however mobile network state says 'connected'. I tried reinstalling AOKP and then a few other ROMs and every time I still couldn't get service. I wiped everything and reinstalled stock 4.0.4 and the stock radios and still no luck. The system then updated me to 4.2.2 OTA and the radios are the most up to date radios I515.09.V.FK01 FK02 but still no luck.
I believe I am getting LTE because I can get emails and use GoogleChat without WiFi but I can't place any calls or send texts because (I'm guessing) CDMA is messed up for some reason.
I took it to verizon and after they fiddled with it for a while and put a new SIM card in (and did another factory reset) it still wasn't connecting. They say it is just a phone hardware issue and there is nothing they can do and since it is out of warranty I'm sol and have to buy a new phone at retail. Does anyone have any idea of something I could try to fix this? Thanks a lot for any advice

No 3g signal/icon

My e4gt is flashed to verizon. Saturday I lost my 3g signal so I have no access to the internet. I called verizon and they said everything looks good on their end. My phone appears to be roaming. Or Im getting the triange instead of the 3g icon. I have done the factory reset and reflashed gb27.
Verizon told me to input *228 however when i do it then ask for me to press option 1 but i dont have a keypad and when i try to go to the dialer it takes me back to the screen for the phone activation. If i wait it appears to default to that option 1 and says the activation is complete.
Also my lock screen use to say Sprint on it even though it worked on Verizon. Now it says, "preferred System". I still get phone calls and sms. However when I place a call or receive one it bring ups the data warning.
I also keep getting an error stating, "error 89/: unknown error please try again". Which I would guess has something to do with the lack of an internet connection
Please help I am lost at this point.
Im in the same boat.I had it reflashed but after 2 days i have the same problem. I tried everything but im back to square one
Sent from my SPH-D710 using xda app-developers app

No Cellular Connection after entering dead zone and coming back out

This has happened twice now. I've gone into a parking garage where I actually had service, and got the error that I had no service when trying to send a text. It happened again today at work, where I lose service in the elevator, gain service when I come out AND am connected to wifi, yet still get this error when trying to send a text when I clearly have service. Only fix is to reboot.
Any thoughts?
I'm Running Wicked ROM.
This phone is weird if your downloading something and data switched to 4g it won't go back to LTE if your still downloading something ...it has to finish the download or pause the download and a minute after LTE comes backup ...this is the only problem I have with this phone
Note 3 using cm_11
I wasn't downloading anything. I'm on wifi in my office and I just received a text, but when I try to make a call or send, it says no cellular network available. WHAT THE F!?
I have been having this issue lately too. Never had it before and had the phone for about 6 months. Im stocked rooted, KNOX not tripped. Its been pissing me off lately too. Was going to wipe and start from scratch if it keeps up. But really dont want to do that.

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