Why is my iPhone 4s network written Emergency?

[iMore Question]

my iphone 4s network is written Emergency.i remove my simcard and put it back it still 'Emergency'.

iphone 4s.
Capacity-64GB.
Version-5.0.1 (9A406).
Model-MD235zp.

 

[kch50428]

Re: my iphone 4s network is written Emergency.i remove my simcard and put it back it still 'Emergenc

It's an issue with your service provider...you're going to have to deal with them.