message not sent

[git]

i have problum to install my airtel message center number in my xperia m dual show erroe- update error, but my phone is updated and airtel message center number is currect. plese help

[Hampus]

Hi and welcome to the community! Since you're new please be sure that you have checked out our Discussion guidelines.

If the message center number is correct, I suggest that you try another SIM-card in your phone to see if you still are unable to send text messages.