after restore my iphone 4s i can't activate that phone.it shown this email is not used to unlock
dear sir,this is shohel palma from bangladesh,my product name is iphone4s 32gb operating system ios 6.0.3.storage capacity 7gb may be.last 3 month my personal hotspot were not working,thats for last week i restored my iphone.but now i cant activate it all time it shown this email is not used to unlock.what shall i do now?
iPhone 4S, iOS 8.1.3