Chris Stables

Making up some leads for the DCPS and would like to know does the MacBook determine what wattage magsafe it is using from...

I don’t know a lot about MacBook circuitry and I don’t advertise their repairs but there is one customer who does send...

Any idea where I could purchase a QFN8 to DIP8 Adapter that will fit a bios chip off the 820 00875 board. The only one I...

I got sent a mac which had the U5860 temp sensor torn off along with all the pads on the board. It would take ages to boot...

Would someone be able to tell me the orientation position of U5860 on the 820-00239 logic board. I can only make out a...

There is a difference between the front flex assembly and the speaker. It is extremely rare for the ear speaker to become faulty so I gather the problem is the front flex assembly which includes the camera. The reason the apple authorised repair shop charges that much is because for one they are not allowed to open the phone. They will have to send it to apple that has not got the experience and technical knowledge to just replace the front flex assembly. Instead they will replace the entire screen which has everything already assembled including a new home button. They will then connect it to their pairing machine to pair the home button and front camera, they then send it back to the authorised repair shop. Depending on the quality of the replacement part will determine the cost that the third party shops will charge. I have found with the 8 series you are better off replacing the front flex assembly with an original, pulled from another phone.

If you don’t think the seller tried a new battery I would replace that first and maybe try another screen.  If it is still draining fast it will be a logic board issue and you would need the proper equipment and experience to diagnose it.

It will more than likely be the charging circuit or NAND. You will need a multimeter to find what component has failed. It will not be the PMIC or the baseband CPU.

There is not much you can try except for a restore with 3uTools enabling the retain users data option. It will more than likely fail but other than that you will need to do a full restore.

This is a common problem after a screen removal. It is caused by a tiny tear in the home button flex. Replace the screen and your home button will be fine.

The apple store have not got the know how to change the top flex assembly. They will replace the screen with the assembly already installed and hook it up to their pairing machine to enable face ID. I would try cleaning and repositioning the face ID components first.

I have never run into this problem after an audio IC repair. It is most likely around the connector area there are a few filters on both sides of the board that might not be making good contact. Also check the two power lines for touch when it is not working and also that no pins are pushed into the plastic of the connector.. The ideal tool for this diagnosis would be the iBridge. You didn’t mention where you put pressure on the board for touch to return, if it is on the CPU than you will need to re-ball it.

This is a very vague question but I would start with. 1.       Battery. 2.       Charging dock 3.       Screen. 4.       Top flex.

These are the symptoms of a faulty battery. Try another replacement battery and check the battery connector on the logic board.

Firstly don’t completely rely on Tristar testers. You will need to rule out the dock assembly. What does the battery info show in 3uTools? For the XR I have only had to replace the Tristar once it is usually Tigris and or the charging coils I now replace them all. The 8 plus I would replace Tigris and maybe Q3350.