share some phone repair tools and iphone icloud unlock tool

The iPhone 6S fell into water, and then it stuck on white Apple logo after booting, and can't continue past it to the home screen, you may think your iPhone is ruined. That's not necessarily the case. Here are a number of steps you can take to get your iPhone out of a startup loop. Check the iPhone logic board under a 3.5X-90X Stereo Zoom Microscope  14MP HDMI Camera, there are small beads around the chip, which is a serious mistake. Clean up the iPhone logic board and then replace the new U2 IC and charge tube, but the problem still the same, iPhone stuck on white Apple logo and restart occasionally. Use Fluke 15B+ Digital Multimeter  to measure the diode data for iPhone battery detective pin, the data is normal, the resistance of iPhone booting condition is normal, and the voltage also is normal. For the watered-iPhone, iPhone system is less damaged. After consulting with the customer, we start to flash iPhone. Connect iPhone to computer with iPhone lightning cable, th...

An iPhone 6S has no touch function after getting into water. How to repair step by step 1. Disassemble the cell phone with specific iPhone 6 opening tools , By careful observation with magniying glass, we can see that the traces of water have been processed by the last repairman. 2. Using Fluke 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. picture 17-5-1 3. According to our previous repair experience, we try to remove the +5.1V filter capacitor of the display power to get rid of the fault. 4. Use digital multimeter to measure again, we found that there was no any short circuit parts. 5. Re-stall the iPhone 6 screen  to have a test, touch function returns to normal state now. The failure was successful repaired.

The iPhone 7 isn't turning on.In this article, I'll help you diagnose why your iPhone 7 won't turn on and show you how to fix the problem for good. Disassemble the iPhone 7 and connect DC power supply  to have a test, the restart current stuck at 50mA, and the device can not be online. As we have repair experience on iPhone 6 generation, 50mA current is often related with CPU, U2 and display power preoblems. Considering the online failure, we replace U2 chip first, the result is the same. Disassemble the CPU shied cover and observe the iPhone 7 CPU chip under Stereo Microscope , we found the CPU attached well without any track of cracks. 50mA is unable to measure the voltage, so we have to first measure the resistance on the circuit of restart conditions. After the iPhone 7 CPU and NAND are measured, continue to measure clock, reset and bus. The fault is from the clock. The output resistance of the first pin of 24M main clock is only more than 200, the normal value...

The iphone is expensive, we received an iPhone X to repair,Failure is that the iPhone X not charging, how to fix? Before we start to repair, we need to check the iPhone X charging principle, we can check it on WUXINJI Dongle . Plug iPhone data cable, the iPhone tail plug connector J6400 47/48 pin gets 5V input voltage PP_VBUS1_E75, at the same time, the 20 pin HYDRA_CON_DETECT_CONN_L will be pull down. 5V of PP_VBUS1_E75 send to U3300, after R3360 output PP_VBUS1_E75_RVP, finally sent to U6300. HYDRA_CON_DETECT_CONN_L is renamed HYDRA_CON_DETECT_L by R6410. HYDRA_CON_DETECT_L send to the multifunctional electronic switch tube U6300 G3 pin, when the U6300 received a low power lever signal, then access identification iPhone lightning cable. When U6300 received the 5V power supply, and detected after the tail plug access，it will transmit information to the CPU via UART data interface. After the iPhone charge control IC  U3300 received the 5V, it will transfer the inform...

Time passed quickly, and Friday, the rest, but the VIP Pro Shop Team has been working hard for each customer to provide timely sales of iphone repair tools and free repair guide. 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. Picture 1 This pin passes through the R150...

When your iPhone 6 doesn’t turn on with apple logo,the cell phone screen was replaced once after dropping. According to our past repair experience, we know that the dropped device should be directly checked on its CPU parts. First of all, check the bus and reset, both of them are normal. Cut the shiled cover above the fingerprint, use Fluke 15B+ digital multimeter  to measure the resistance of CPU to the clock and data. The normal values of R0317 and R0316 are more than 400, the measurement of R0317 resistance is 745, and the R0316 is 479. This case is mostly the two pin of AP31 and AR31 in the right lower right corner of CPU has pseudo soldering. First press the iPhone 6 CPU  to test whether the device can turn on or not, do not try to reflash the phone first, it will report error 9. Of course, the best method for CPU pseudo soldering is redo the parts, here we try a method of jumper wire connection without removing CPU necessary (6 and 6P can be common used). As shown ...

There are some people who have reported problems with their iPhone backlight. We say it is rare.This doesn't mean that there aren't people who have reported broken Backlights on perfectly good iPhones. The question still remains what to do when you find that your backlight is not working correctly. 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 boost 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.  Picture 1 These three inductors ar...

Welcome to our troubleshooting guide dedicated specifically to camera related issues concerning the iPhone 6.when you turn on camera on iPhone 6 to take photos, you found the iPhone rear camera  not working, it can't take pictures. The J2321 is the interface of rear camera. After checking the iPhone 6 schematic diagram on WUXINJI Dongle  , we know that there are 4 sets of power supply circuit; they go through inductance L2329, L2330, L2318, FL2343 to the rear camera interface J2321, where the PP2V85_RCAM_AVDD_CONN is 2.8V power supply! It is provided by the small glass ID-- U2301, when turn on the iPhone camera, the CAM_EXT_LDO_EN signal that sent from the iPhone CPU controls 2.8V voltage that output by U2301, and then after the inductor FL2343, send to the interface J2321. Picture 1 No matter U2301 fell into water or ground, it is easy to damage, and then causes no 2.8V voltage; the final result is that the iPhone can't take pictures. For the damaged power supply tube...

Iphone charging  is already a part of daily life for iPhone users, but sometimes you find  iPhones won’t be charged. Why does this happen? Does the iPhone is broken or the battery is bad? Many people were confused by this problem. Don’t worry about it, this issue may be caused by some common reasons and you can fix it by yourself easily. Here we will talk something about why it happens and how to fix it. We are going to repair a iPhone 6 device, the fault described is that there is a charging icon on screen, but no power enter into cell phone, and it keeps rebooting. After receiving it, we found that the motherboard charging chips, battery and accessories were changed. 1. Use a Fluke digital multimeter  to measure the voltage of USB were given to U1401 charge tube and U1700 (U2), the both 5V are normal 2. Respectively remove the U2 and charge tube, measure the bottom voltage to see whether the iPhone 6 motherboard  has broken cables, the result shows that the...

This post explicates the most possible causes of  iPhone 6S No Touch and CPU Short Circuit issues. Read on to learn how to determine what actually has triggered your iPhone to encounter these problems and what must be done in order to get it back up and running again. 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. 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. Picture 16-9-1 Now, we need to remove the capacitor with Precision Titanium Alloy Tweezers , after movement, measure it again, it ...

Quite a few iPhone owners reported a problem with the volume buttons,the colleague send an iPhone 6S Plus to us, the fault described is that the iPhone was dropped, the screen is blurred when iPhone is turned on,  the colleague feedback that after replace iPhone display touch boost IC, the iPhone display screen  back to normal. However, when they test iPhone, the iPhone volume button doesn't respond. Now, we need to test iPhone again. Press the iPhone volume button , we found the volume up button has no response, the volume down button and mute button is normal, contrast diode data to see whether normal. The picture as follows Picture 16-7-1 The J4701 socket fourth pin is volume up button, measure its diode data with Fluke 15B+ Digital Multimeter , the data is normal, check its voltage, it only has 0.3V, while the normal voltage should be 1.8V. The voltage was pulled down, considering whether is caused by load leakage on the path. Check iPhone schematic diagram on WU...