iPhone won't send text, but everything else works

[Gerneio]

suddenly my phone doesn't send text messages? this happened after I manually rebooted it, the text won't send or come in, calls work and Internet works, but not the sms?? I dont understand why?

[Gerneio]

also, incoming calls don't work, but out going calls work

[Gerneio]

ok now it can send outgoing calls sometimes, but text still don't work...

[NeckboneNick]

Uninstall UltraSn0w or go into settings-general-reset-reset networks settings.

[alexevo]

need more info. carrier? ios version? jailbroken with? unlocked? also, i experienced similar problems when i tried to save my sms database from my 3GS when i got my iphone 4 and tried to SSH and swap the .db files but that created text sending/receiving problems. did you try to do the same thing?