hey guys....i just bought motorola krzr k1 yesterday...when it came home i opened the box and i was trying to use it...first time when i insert the sim it was working fine....i think this is what i did ..... i closed the flip and i pressed and hold the button on right side...and it was telling me something i forgot.....but anyways...next thing is i turned off the phone and turned it back on..and it was same message....first it was sounding like low battery and then insert sim...and emergency calls only....even if sim is inside it was showing me same message....next thing is i put same sim in my old phone it works fine....but when i put in krzr its shows me a message....any ideas or suggestion....i bought it from ebay and its unlocked...and i have t mobile service....please reply soon as you can...if you have any question please ask...

thank you