I have no idea what I'm doing... but stupidly dialed *#272*imei# then selected xas and then selected network only.. now my phone wont get any kind of signal unless connected to wifi and even then it wont connect to a network.. HELP!
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I have a AT&T galaxy s 3 since the beginning it appear. Unlocked through ATT Costomer service . I am using straight talk service. it was working fine when it was ICS OS .but after i update to jellybean i found a problem that APN remove automatically whine i connect to home network wi-fi. by this time i always have to set apn and go outside. is any body having this problem or any suggestion.i mean to say APN automatically delete when i connect to wifi.
thanks
Its a unlocked TMobile samsung galaxy S2 (SGH - T989) from US which I am trying to use in India. I had bought it from t-mobile as part of a 2 year contract. After completing my two years contract, I got the phone unlocked from t-mobile before coming to India. The phone worked fine for first 15 days here in India but stopped working since then. I have tried many different SIM cards from different Indian mobile service providers. These SIM cards work perfectly fine on other handsets . *#06# shows correct IMEI which matches with what is printed on the back side. Phone shows signal towers with varying signal strength. I could see the signal towers even after disabling Wifi and location services but when i try to make a call, it says "Not registered on network". Wifi, if enabled, works fine though. When I try to select a network operator from Mobile networks menu, it does say registered to network occasionally but mostly it fails to connect to any network (i have tried both manual and automatic selection) but even if it says registered to network, when i try to make call, it says not registered on network so I am not able to make any calls at all. I have tried factory reset and upgraded to JB 4.1.2 (radio: UVMC6) but problem still stays. Please help me.
Did you try entering the correct apn ? Similar thing happened to me but i took it to the sim card company and they entered the apn manually and it worked.
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I did try APN but I believe that is for GPRS/EDGE and 3D and these will take effect once cell network is established.
I have a Samsung galaxy 3 model # SGH T999N.
It was a metropcs phone,but I got it unlocked and now using it on Tmobile network.
Every time I try to use WCDMA/GSM (4G), signals goes to NONE or there are NO SIGNALS at all and nothing works, such as no internet , no calls , no texts. But after a while signals come back ,but does not stay for long and goes blank again or goes back to ZERO.
In other words, I can only use my phone on GSM (edge) network ,but that is very slow.
I got this phone unlocked from a local store and I DO NOT KNOW which rom they used,but I do see a SUPERUSER TROJAN HORSE on my phone. Therefore, I think it is rooted.
When I tried to use SOFTWARE UPDATE, there was a message saying that my phone was modified....
Any ides how can I get full signals so I can use 4G network.
Hi, my dad is having a problem with his galaxy sm-t211 that I can't seem to find a fix for, I haven't even been able to find mention of it. His tab is unlocked. He is using his fido SIM chip with it. He gets data fine, but it is constantly in roaming mode. Even when I turn roaming off, it says that he has lost network connectivity because he is out of his home cellular network. Does anyone know if this issue is fixable. Maybe by flashing a modem for this region or something? Any and all help appreciated, thanks
Hello everyone , I'm from Morocco and I need help with my device's Mobile Data.
To begin with, I've got an S4 mini 19190 3G variant, I installed a cyanogenmod ROM, it's a cm13 version, android 6.0.1. I'm using a TWRP recovery.
I've had a cm12.1 before and had the same exact problem: I'm always stuck on EDGE network .
I've gone to the settings, and made sure to choose 3G in the preffered network type.
My APN setting are correctly configured.
I've tried forcing the device to choose WCDMA by going to Phone Info. Choosing the WCDMA option disables Mobile Data and calls, with emergency calls enabled only.
Choosing the "WCDMA preffered" option doesn't change anything, it's still on EDGE.
I've looked for a solution, and noticed that some people had a problem with IMEI number, I've checked it, it's the same as the one on the back of the phone.
Anyone got any idea on how to fix this? Thank you .
Are you sure that your area has any WCDMA connection? Can you check with another phone?
Yes, I've already had H+ connection on the same phone but with a different version of the ROM, and my father has H+ working perfectly on his SGS5. I didn't try with another phone, I'll try and see if the problem comes from the SIM.
Omg Thank you! Why didn't I think of that! (How stupid of me) I tried my SIM card on a different phone (that had H+ working on it) and it went on EDGE network, and I chose WCDMA only and the connection was lost. There is a problem with my SIM card, I'm going to contact my service provider to fix this
Thanks Again!!