Iphone 4 unlocked show no signal help plz

[tulipat4]

Asalam o alikum
Mery pas iphone 4 hai ek friend se leya hai mainy abi eska online sim status check keya tu msg leka hota hai phone is unlocked but jab is main sim dalta hon tu no signal show karta hai .
Online sim status see in the pic below
Prompt reply please

[bilal sultan]

Koi or sim daal ka chack kia he

[Atif4235]

bhai ap kon si ios use kr rha hain???

[tulipat4]

Ios 6.0

[Atif4235]

Ap na kesa software sy ios update ki thi sn0wbreeze sy yah itune sy agr nhi pta to friend sy pocha agr unha be nhi pta to phr main restore krwa do ga phr inshahAllah theak ho jya ga.....