iPhone 4 No Signal or weak GSM signal fix Blue Inductor Coil repair part
No Signal or weak signal on your iPhone 4
Have a weak signal or low bars
Replace Blue Inductor Coil
-This is a blue Antenna coil which connect and amplify the current from your antenna.
-This coil fixes GSM signal faults.
-Issues are caused when the antenna coil is broken or burnt out on the logic board is burnt out.
-This is the same part specification as the part Apple.