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rajnishkumarsingh26 !!!!!!!!!!!!!!!! If it work use it as longer it work and never turn off your wi-fi. !!!!!!!!!!!!!!!!!!!
Very bad idea, if it is still under warranty you will exceed it and pay the full price, almost the price of the new phone.
If he has just finished the warranty, 0-30d for example, the service center will give you an estimate, write to asus to protest and take it as warranty