No Sim Card Error - Emergency Calls Only


AC Question

I've Motorola Droid Razor M, I removed the sim card and then inserted but the Phone gave "no sim card error", I tried other three to five sims too but facing still that problem, I've checked sims on other phone and they are working good on them but Motorola Droid Razor M giving me this problem..
Can anybody help me to resolve this issue?