[Q] Sim unlock.. At&t sim not allowing me to search - Sprint HTC One (M7)

Any help is greatly appreciated.
I have the phone rooted with the SIM unlock. The phone will allow me to pop In a T-Mobile SIM card and search for network. But... When I pop in an at&t sim, the search for network function is greyed out and unable to be clicked to find the att network and connect. Any reason why a tmobile SIM works but a at&t SIM does not?
The AT&T sim card inserted can receive calls and texts, but it will not allow me to make a call or send a text back. It shows limited service and no signal.
Thanks in advance

happens to me too. what did you figure out?

Related

ATT with G1 with Tmobile SIM card?

Hi, all,
I have a quick question:
I was in Smith, Nevada recently, using a G1 with a Tmobile SIM card, and the phone did not get service. However, the phone did say that there was an ATT network present, and my friend's phone got reception just fine. However, when I tried to manually switch to the ATT network on my phone, I got a message saying that the sim card does not allow me to register on the network. How can I make the phone register on the ATT network when there is no Tmobile service?
Thanks,
Tekgek
Allow roaming? Best answer I got.
You could buy a cheap pay as you go att phone and swap the sim in yours.
Errrm, I think roaming is enabled. Is there a hack or something that can override the sim card's programming?

Weird SIM unlock question

Hi,
I just unlocked my SIM card via a Verizon supplied code. I found an old AT&T SIM in my desk drawer - I called AT&T and confirmed the SIM is not active (nor has it ever been activated). I inserted it and the phone came up. However, if I use APN Manager, it shows I'm connected to Verizon. I'm able to make and receive calls.
I thought by inserting a different SIM I would be using that providers network instead of Verizons? Or do I need to manually change that somehow?
It's important I figure this out before my trip next month to Panama.
i think in usa the other network gsm bands are locked (so u wont be able to get service it wil just show no services i think) so even u insert them u wont be able to use that network ...
and u can change ur settings to gsm from mobile in network n settings i think..when u leave to panama or out of usa
hope it helps thnx

confusion on network Sim pim

Motox on at
I just bought this phone off of someobr , it is a ATT phone. Says this on the back and in settings and at confirmed with the imei that it was. But when I enter a att Sim it prompts "Sim network unlock PIN" as if I'm trying to insert a Sim from a different carrier
Any ideas?

Please help?!

I bought a Cellcom S6 Edge on eBay. The seller said the phone was currently activated on Verizon, so I bought it.
I put my nano sim in and activated the sim card. The phone can send/receive calls and texts, but can only receive mms and not send them. Whenever I try to send it says failed and then at the bottom "service not activated on network."
I also have a small triangle next to the network signal/4g icon. It does not say LTE either.
What should I do?

Dual Sim Issue

So I have my Verizon sim in tray 1 & my T-Mobile sim in tray 2. What I am trying to do is have the data push through the T-Mobile sim but still maintain calls and text coming in from Verizon sim. When I set Dial to sim 1 & Internet to sim 2 in the options it just shuts down the Verizon sim completely. What am I missing? Is what am trying to do not possible?
20 views and nada, come on someone has to have some input they can provide me lol
So I finally got the phone to keep both sims registered to their networks and my calls and sms work with it set to my Verizon sim but I can't get the data to push through on the T-Mobile sim!!!!! AHHHHHH
I think the Mi MIx only has 1 4G radio? So that if both SIM cards require 4G connection, only 1 can be connected at one time
I understand, this is exactly why I wanted this phone too! Where did you buy yours and how long till you received it?
No voice calls.
romors666 said:
So I finally got the phone to keep both sims registered to their networks and my calls and sms work with it set to my Verizon sim but I can't get the data to push through on the T-Mobile sim!!!!! AHHHHHH
Click to expand...
Click to collapse
Can you tell me what you did? I have data and sms going through fine but no calls.
Thank you.
Has any one resolved this issue?
I recently got a VZW SIM card, and everything works when it's the only SIM in the Mi MIX...but if I also put in my Project Fi SIM...I cannot send SMS via my Project Fi SIM--which carriers my main number...even though MMS also works on my Verizon SIM card......

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