Why is my phone showing that it is not registered to a network (S3)?

[AC Question]

all other sim works fine except wind. shows not registered to network, my wind mobile samsung s3.

I was using radio when my phone got message not registered on network.

 

[Rukbat]

Re: all other sim works fine except wind. shows not registered to network, my wind mobile samsung s

All other SIMs for the same carrier or for a different carrier? Your phone may be locked to a different carrier than your SIM.