REFERENCE iphone 4s china ( signal failure) ( only reference po)

[thefox]

phone 4s china signal failure minsan daw ok minsan daw hindi

una: check imei - sapul alam na kaagad ang sira

Procedure:
power on ang unit
type this *#65010660# & click call botton
enter ang new imei
power of ang unit at i on ulit
done

FINISH PRODUCT:

 

[jaralita]

ayus to bossing!! TNX!!