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Solution: iPhone 7 Weak Signal Problem


We are going to fix the iPhone 7 device today, according to the owner's description, the main fault of this cell phone is the weak WiFi signal, the problem was repaired by a repairman before, but the same problem happens again, why? Let's find out the solutions from the article!
 


1. Opening the iPhone 7 device with specific iPhone repair opening toolkit.

2. The iPhone 7 WiFi parts was replaced before, but we still doubt it's a problem.

3. So we take QUICK 861DW hot air station to heat the WiFi with suitable temperature, then use tweezers to remove the WiFi chip.

4. Solder a new WiFi chip on the iPhone 7 solder plate, turn on and test the WiFi signal again, the fault is still existing.

5. Then we estimate the problem is from the iPhone signal receiving part

6. Connect jumper wire on iPhone 7 logic board. When solder jumper wire between the tiny components on logic board, you need a Trinocular Stereo Microscope for more clear observation, or you will make further damage to the device. As shown in figures 16-8-1 and 16-8-2.
 



7. After soldering the jumper wire by soldering iron, install the cell phone and turn on the iPhone 7 to have a test.

8. The WiFi signal is finally normal now, it can receive WiFi signal very perfect!

If you want more cell phone repair tutorials, please check details on www.vipfixphone.com

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