Please help me ....!!

[jmartin1013]

wutsup....i currently have a iphone 3g...3.0..unlocked using a tmobile sim from my sidekick...i dont mind the not having internet part....thats not my concern....up until yesterday my phone was working fine and ... now all it says is no service....ive tried unlocking it again..resetting the settings..taking the sim out...put another one in...airplane mode...idk wut else to do or think...is the tmobile network just messed up?,...someone give me answers..cuz i need my phone to text and make calls

[babyblue_pimp]

have you tried reseting your network settings?