Repair iPhone 6 Won’t Turn On After Water Damaged

Many customers suffer from iPhone 6 Won't Turn On After Water Damaged, water damage for a variety of reasons and solutions are diverse, but how to find the best solution, and how to solve these problems quickly, don't worry. Next, The VIP Pro Shop Team will give us a perfect solution!



Get a iPhone 6 from one customer, the fault described was that the phone can not turn on when press the power button. Then we take apart the phone and see clearly that the water damage indicator is red, which indicates that the phone has been water damaged. Continue to disconnect the battery, and connect the battery connector with DC Power Supply. Press power button, the phone turns on with Apple logo. However, the screen goes black after 15 seconds and cannot access the system normally. 

Current read on the Fluke digital multimeter jumps to 510mA and then stay still, which one is abnormal? In general, after water damaged, iPhone accompany with abnormal short-circuited due to damage of the board. So we need to check the iPhone logic board. 

Since parts of the logic board have obvious signs of water damage. The first thing we have to do is to clean the logic board with PCB cleaner. When finished, connect the battery connector to the DC power source and turn it on with a trigger signal.re

The current read on the ammeter jumps to 220 mA and remains the same. Which one is still abnormal? So the previous logic board cleaning wasn't thorough enough. We need to separate the moldy ICs and clean them thoroughly.

Now, remove the shielding plate with QUICK 861DW hot rework station. We can see clearly that U1501 and U1503 bear obvious moldy signs.

Heat with hot air gun, and detach U1501 and U1503 from the board. Then apply some PCB paste flux(VC749). Once done, turn the logic board over.

Detach the two moldy components U2402 and U0900 from the board with hot air gun. We can see clearly that area under iPhone touch IC U2402 has got seriously mildewed. 


Apply some Paste Flux to the solder pad, continue to remove tins with resin-soaked solder wick. And clean with PCB Cleaner afterward. And align new ICs to the right place respectively, soldering at the same time.

Treat U1501 and U1503 with the same steps. Once finished, clean with PCB Cleaner.

Now we can assemble the phone and test. Get the logic board and iPhone display assembly installed. Connect the battery connector with DC Power Supply.  Press power button to power on, the phone turns on normally. The iPhone maintenance end perfectly. 


Tips: For more information on mobile phone repair guide, you can check www.vipprogrammer.com

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