Your Guide to Local iPhone Repair Services

The iPhone accidentally fell into the water, e ven though we picked it up quickly, but the iPhone 6S touch function still not working. The details is that when we picked it up, carefully try out the water, and then press the iPhone power button to turn it on, seems there has no any problems, the iPhone can boot smoothly. However, when we touch the iPhone screen, it has no response. Now, we need to solve it.  Disassemble the iPhone 6S by phone opening tools, take off the iPhone motherboard, and put it under the 3.5X-90X Stereo Zoom Microscope 14MP HDMI Camera to observe, no obvious scars.  Using Fluke 15B+ Digital Multimeter   to measure the grounding resistance of display touch socket, we found the 30th pin(PP5V1_TOUCH_VDDH_CONN) power supply to the ground is short circuited, the multimeter value is shown in picture 17-5-1 . According to our previous repair experience, we try to remove the +5.1V filter capacitor（ C4003 ） of the display power to get...

There is an iPhone 6S Plus need to be repaired, the fault reflected by iPhone user is that there is no serial number when flash iPhone with iTunes, and the iTunes reports unknown error 14, 4013 and so on. According to the description, we suspect that it's an iPhone Nand flash   problem. Connect iPhone to computer with lightning cable, use iTunes to flash iPhone, the iTunes reports that the iPhone "iPhone" could not be restored. An unknown error occurred (14). Disassemble the iPhone, take out the iPhone motherboard, and then carefully remove the iPhone Nand flash. Check iPhone bitmap on WUXINJI Dongle , and then measure the diode data with multimeter, we found that the resistance value of iPhone Nand flash solder pad M6 Pin is infinitely large. This pin passes through the R1501 resistor and pulls down, there is no resistance value when measured it with Fluke 15B+ Digital Multimeter , now we're judging that the R1501 resistor is damaged. Use QUI...

What's iPhone 7 backlight failure? Such as the iPhone touch screen  no display, the screen light is very dim or cannot adjust brightness and so on. Here we can fix iPhone 7 backlight failures. First of all, please connect WUXINJI Dongle  to your computer, and then open it to check iPhone 7 backlight power supply schematic diagram. According to iPhone schematic diagram, we know that the iPhone backlight IC output three sets of backlight power supply signals, they were PP_LCM_BLANODE (16.5V Cathode Voltage), PP_LCM_BL_CAT1 and PP_LCM_BL_CAT2, these three circuit signals are sent to the display interface via three inductors respectively, the pictures as follows.  These three inductors are easy to damaged, and then cause iPhone no backlight or the light is not stable, sometimes bright, but sometimes not. In this case, we can fix it by short connecting. If there is no backlight on the iPhone 7, please use Fluke 15B+ Digital Multimeter   to measu...

The iPhone 6S Plus fingerprint has some failures, such as can't add fingerprint on iPhone , or the iPhone home button has no response when you touch it with fingerprint. In this article , you can get free guide to fix it. Check iPhone 6S Plus    fingerprint flex cable interface  schematic diagram on  WUXINJI Dongle.  By looking at the diagram of the iPhone 6S plus fingerprint flex cable interface, we can find that it is a little different from the iPhone6 plus. The left side is the control signal of the fingerprint section. The right side with MAMBA is the newly added functional Force Touch, which is called the piezo touch, for example, the reactions are different between gently point the desktop clock icon and pressing the icon by force, If there is a failure of fingerprint addition, first measure the voltage of 1.8V and 3.0V in the picture 1-3 with the Fluke 15B+ digital multimeter . If there is no resistance measurement of the two circu...

The iPhone 7P charging function now working properly, what's going on? Here we can DIY FIX it.  What's the performance of the iPhone charging function not working properly? 1.  the iPhone 7 Plus won't charge at all 2. the iPhone 7 Plus can't connect to computer 3. the iPhone 7 Plus can be charged when it's turned off, but not after boot 4. the iPhone 7 Plus leaks when iPhone 7P is on standby 5.  l ess  iPhone battery  percentage when it in charging 6.   stuck on white Apple logo 7. auto reboot How to DIY Fix it? 1. Disassemble the iPhone  Use phone opening kits to disassemble the iPhone, carefully remove the iPhone motherboard.  2. Check iPhone 7P schematic diagram Connect WUXINJI Dongle to computer, and then open the WUXINJI software to check iPhone schematic diagram. 5V charge voltage PP5V0_USB  sent by the tail-plug interface ， one circuit is sent to iPhone charge IC, one cir...

A colleagues feedback me that the iPhone 6S has no touch after expand iPhone Nand flash  memory storage, when we touch the iPhone display screen, it is completely unresponsive. What’s trouble? We need to repair it. Disassemble the iPhone by phone opening tools, remove the iPhone motherboard, and then measure the diode data for iPhone touch screen with Fluke 15B+ Digital Multimeter , we found the iPhone touch screen synchronized pin is short circuit. A capacitive filter on the side of the socket, a capacitor directly connect to CPU, we can check iPhone schematic diagram on WUXINJI Dongle . Now, we need to remove the capacitor with Precision Titanium Alloy Tweezers , after movement, measure it again, it still is short circuit. Now, we need to remove inductance, Use QUICK 861DW  hot air rework station to remove the inductance, and then measure it again with multimeter, short circuit phenomenon still exists. The socket is short circuit, the capacitor is ...