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iPhone 7 Plus Camera Failure This is a very bad thing. Many people are angry and even blame Apple. We all know that this is unavoidable. Even everyone will encounter such a problem. Fortunately, today, The vip pro shop team will provide you with a free guide to get your phone back to normal. We received an iPhone 7 Plus form our customer, the fault described is that the iPhone no camera, after replace the new iPhone rear camera, the fault still there. This iPhone was repaired before, the previous phone repair shop repaired the iPhone WIFI module IC and U3301 iPhone audio IC . According to previous repair experience, we know there are 2 camera power supply transfer tube on the WIFI IC are easy to virtual weld, after remove it, and reinstall it, the failure still there. Picture 20-10-1 Use digital multimeter to measure the grounding resistance value for iPhone rear camera J3001 and J4501, the data is normal. And the power supply for camera socket tested also is normal. P...

We received an iPhone 6, the fault described is that the function of iPhone is normal, just the iPhone LCD screen sometimes display, but sometimes not display. Turn on iPhone 6 to test, the iPhone LCD screen doesn't display. Disassemble the iPhone motherboard, and observe it under the Stereo Zoom Microscope , we found there are many solder paste on iPhone display socket and iPhone touch socket. Picture 20-9-1 Is the iPhone LCD screen not display because the socket is not clean? First we use BGA clean water to clean the iPhone motherboard. Because the customer said that iPhone LCD screen also is half bright and half the screen black state, so, after cleaning, we can use digital multimeter  to measure the grounding resistance value for the J2019 display socket 1 pin PP_LCM_BL_CAT2_CONN and 4 pin PP_LCM_BL_CAT1_CONN, these two pins will cause iPhone screen half bright and half black problem. We found the resistance value of 4 pin is 2111, which is abnormal, the normal resis...

Audio problems with this Apple device have emerged in distinct scenarios. Some users aren’t hearing any alert sound when a new message comes in, intermittent sound alerts, and worst, no sound at all. If you’ve been looking for remedies to any of these relevant issues over the Internet and have come across this page, then I suggest you keep reading the entire content as it features possible solutions and workarounds that could help you deal with this trouble. Customers deliver a iPhone6 without recording sound function. First of all, replace the U0900 audio frequency chip, we need to make sure whether U0900 is damaged, after replacing it and reinstalling the iPhone 6, the recording function fault is still not solved yet.  For a motherboard like this, it didn't get water in before, so we can only consider that the bottom of the board is broken, take off U0900 to measure the resistance value of the bottom pin by Fluke digital multimeter , it is found that the big ...

We are going to repair a iPhone 6 today, the customer described the failure was that the WIFI can not turn on, after the removal of WIFI, the activation interface appears. Connect to test we found that the iPhone 6 WIFI chip was not installed, the data cable is not installed in the boot-up activation mode,when we connect Aisi assistant we found a serial number without baseband. It enters into the activation mode again after using for a while , which is usually baseband power output short circuit based on our usual maintenance experience. Considering the WIFI removal situation, associated with the WIFI edge of the GPS power amplifier has a voltage output baseband power. Measure with a FLUKE digital multimeter , it's PP_LDO13 as shown in picture.20-2-1 After eliminating the short circuit, the result is that the C5129 is broken, the resistance is back to normal, connecting Aisi assistant we find the baseband out. Using Ace assistant to skip WIFI, activate the backw...

Here in this post, I have enumerated some widely used methods for you to try on if your iPhone 6 won’t turn on. At some point, you may have experienced that your device won’t turn on or respond, today the VIP Pro Shop Team will told you how to solve this problem! Fault detection: When test the iPhone 6S with DC power supply , the current value is shown as picture 1. Picture 1 1. According to our past phone repair experience, there is no obvious corrosion or serious pressure on the motherboard, so we first test the motherboard PP3V0, USB and NAND power supply. 2. In the maintenance process, if you encounter the same situation:  the motherboard is large current and also can be turned on, if the motherboard and above several circuit PP3V0 are all normal, you can first install the iPhone to test function, if all the function is normal, then your lips can be touched to test whether the temperature of USB is heating, the iPhone 6S motherboard we test through the lips, i...

As a matter of fact, a number of iPhone6 owners have been raising complaints online regarding their iPhones that won’t boot up for some reason, even after just a few days or weeks of use. Toady, the VIP Pro Shop Team will teach you some practical methods. For more details, you can read the following article. Received a iPhone 6 with reboot failure, how should we repair The first is to clamp for a test by DC power supply ，it is found that the current has been rising repeatedly or dropping 100 ma. Based on our previous repair experience, we judge the 2 IC2 bus control through the display D2, D3 is pulled down or short circuit, this kind of situation is very common, these two I2C bus are also called light control, if the current changes, it's possible lamp control damage; If the current is fixed, it's possibly display damage. Use the QUICK hot air gun to remove the CPU shield and observe it under Trinocular Stereo Microscope , we can not see any problems from...