Samsung SGH-D900 Cellular Phone "not allowed" Questions

...not allowed MM#3 AT&T samsung A-777 phone not working with my Go Phone sim card. I receive message "sim not allowed MM#3" after I turn on device. phone not working with my Go Phone sim card. I ...

mp3 ringtones not playing. getting not allowed not recieving mp3 ringtones message keep sayin not allowed. how can you fix the situation Try with size under 150 kb.

...SONGS NOT PLAYING SHOWING NOT ALLOWED igot some mp3 songs but to ply the song it showing me not allowed Hi, maybe the file that you are wanting to play is not supported by your mobile sofware.

my phone not sending nor receiving any calls it keeps saying not allowed go to security and allowed all incoming and out going calls..

...not allowed everytime i blue tooth a ringtone to my phone and am ready to acess it as my ring tone the message not allowed keeps poppin up. What shall i do now The mp3 ring tones must be less than ...

reset my samsung sgh-U700 is not allowing me to make any calls other than emergency calls, and i also can't receive any. How can i fix it? my samsung sgh-U700 is not allowing me to make any calls ...

Will larger SD card allow for storage of more texts? After about 210 texts, my phone does not allow any more to be received until I erase some. If I put in a bigger micro SD card, will it let me store

no servce not allow limited serviserce in samsungh sgh x 650 i cant take call no servise then some times say not allow sometime limitesd service even ara has good signal .some time auto restart and ...

...I can only send text messages when replying to one i have already received, the phone will not allow me to send a message after creating one, as when i go onto recipients and choose ...

...I have a SGH-t219 cell phone and would like to use the call barring feature on my phone but it is not a highlighted option so it is not allowing me to use this. There is a call block option which ...