iPhone4s heating when sim inserted solution here.

iPhone 4S heating while searching network.

Here we are going to describe how to repair such a faults,while takeout sim all working fine no heat but while you insert sim the iPhone goes on heating.That is the fault of network related compound which was going to be describe here briefly.

Here is the image you have to note the compound which may causes such like of faults.

Here we are going to show which parts you have to check faults.You have to notice first green highlight component  (C46_RF) check for shorting.It`s simply a capacitor that should not be short.If short remove and replace it because it may cause signal loss, result low network.



Here the another image is which can help you to find a parts clearly.

Let`s us discuss with process.

• Check (C46_RF)

• Check (L7_RF),Check from ground for shorting.If short that may the fault of (U10_RF) that also known as PA or PFO.

• Check the (U5_RF),unfortunately this parts is mostly damage in that causes.

• Check the PA ( U10_RF ) change.

NOTE :- In most of the causes that might be the fault of (U10_RF) & (U5_RF).So you have to replace these two parts.


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