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Yesterday, a friend sent us an iPhone 6 need to be repaired, the iPhone 6 directly short-circuit after connected it to DC power supply, large current short circuit and iPhone motherboard is overheating. We think it's small problem, disassemble the iPhone, and we found the iPhone charge tube is hot. Remove the shield cover and apply some rosin, obviously the iPhone baseband power is damaged. Remove the iPhone baseband power and then connect iPhone logic to DC power supply, the iPhone boot, but no display, check it more clearly, several pins on the socket are damaged.Picture 19-7-1 Remove the socket, clean up the solder pad, and then re-solder the good socket to it. After replacement, the iPhone can be turned on normally, but there is no baseband.  Install the new iPhone baseband power, but there's no SIM card malfunction, continue to measure it, also no front and rear camera. The iPhone 6 no front and rear camera is usually caused by 2.85V power supply problem,...

The WIFI problem is one of the most common problems that iPhone users encounter，if your iPhone 5S no WIFI or the WIFI signal is poor, how to repair it? Here is the guide for it. 1. The iPhone 5S has No WIFI  First test the WIFI function on iPhone 5S, make sure the iPhone 5S is in WiFi coverage, open the iPhone WIFI button, no WIFI address can be found, the iPhone 5S has no WIFI issue. Second, disassemble the iPhone by phone opening tools, and then take off the iPhone motherboard. Third, open the WUXINJI Dongle to check iPhone 5S WIFI schematic diagram. Fourth, according to iPhone schematic diagram, measure the C103_RF by Fluke 15B+ Digital Multimeter to check if it has power supply. If there is no power， we can solder a jump wire between C103_RF and C297，as shown in picture 1-1. If there is a voltage，and the surrounding small parts are not lost, we can replace the new iPhone WIFI module IC U8_RF. Picture 1-1 2. Poor iPhone 5S WIFI signal  If...

Apple iPhone 7 auto reboot when white Apple logo appears on the iPhone display screen and it can't enter the IOS system, the iPhone can be flashed, but for second time, the iPhone 7 auto reboot while the flash process bar is not finished. This iPhone 7 originally needed to repair the audio part because it was not able to record, and the voice can't be sent out on the Wechat or Whatsapp. For this audio failure, we can fix it by replacing the new iPhone audio. However, after replace the iPhone audio , the iPhone 7 always white Apple reboot. First we thought maybe it's the iPhone audio is not installed well, so we re-install the audio by QUICK 861DW hot air rework station, but after replacement, the problem is the same. We try to flash the iPhone, the flash process runs smoothly, but it won't be able to access the IOS system after the flash, re-flash the iPhone again, the iPhone automatically restarts.  Is the iPhone battery out of power?  Replace the new i...

Got a iPhone 6 which is seriously damaged, after confirming with customer, we get to know that the phone is without iCloud backup, and we are not able to turn on it now, we judge the motherboard is damaged, so we are going to hav ethe iPhone 6 motherboard repair. How to recover data from dead phone or even dead motherboard? 1. First of all, opening the iPhone 6 and remove the motherboard off carefully 2. Desolder the A8 CPU, EEPROM and NAND Flash from motherboard with QUICK 861DW hot air gun . Note: you have to handle the 3 chips very carefully or data recovery will not be successful! 3. Use rosin, BGA paste flux, PCB cleaner, soldering iron and razor blade to clean the 3 chips. 4. Reballing the chips with iPhone BGA reballing stencil. 5. Put the new motherboard on iPhone 6 PCB holder and remore the A8 CPU, NAND Flash, EEPROM from it. 6. Install the 3 chips removed from broken motherboard to the new one 7. Now finally we can assemble and install the iPhone 6 to ...

Smartphones are mushrooming in today's world, I am sure you are keen to protect the data on your phone or preventing an unauthorized person from using it. One method to protect your phone data is to lock your phone screen. Unfortunately, After setting new screen password on cell phone, it's possible to forget password suddenly as you are used to using the past one, so how to unlock it quickly by yourself? The article will tell you how to operate step by step. For both iPhone and Android cell phones, you may have a try. Hope it will be helpful. Here are 3 ways to unlock forgotten password on your cell phone in details: Steps on How to Unlock Forgotten Password in Cell Phones: 1. Reset Phone to Factory Setting Make Phone Power off, you need to press power button and volume down (key and home/ iphone camera button ) simultaneously. (If your mobile device does not have front rear camera/home button then press power button and volume down button simultaneou...

There are many customers who are asking us if there is an iPad non-removal adapter for unlock iPad 5 6 iPad Air 1 2 iCloud. The good news is that the iPad 5 6 air 1 2 iCloud Unlock Adapter iPad NAND Test Fixture has been released. This new iPad unlock iCloud non-removal adapter for iPad 5 Air 1 / iPad 6 Air 2, it will avoid to remove the iPad NAND flash from the iPad motherboard, you can Reading & Writing Nand Flash by this adapter without removing any IC from iPad motherboard, it can change Serial Number (SN), Model, Area, Color on iPad 5 Air 1 / iPad 6 Air 2. Automatic Generation of SN + Wifi + BT (unlocked SN) for iPad 5 Air iPad 6 Air 2, 100% fix activation error How to use it? 1. Select to install 32bit or 64bit USB driver, according to your own windows operating system 2. Connect the machine with computer by iPhone lightning Cable , after the instrument driver is automatically installed, run software: PAD_5_6.exe 3. Select right iPad model: acc...

Received an apple 6S, the phone stuck on white apple logo when turning it on, sometimes black screen.  Try to enter iTunes mode online, we are not able to enter iTunes data cable mode but DFU mode,which can be online, and we can confirm that it has nothing to do with U2 fault. There is automatic black screen after the white apple appears. The computer prompt can not jump from DFU to recovery mode. This is often caused by iPhone NAND or CPU. The power supply of the iPhone 6s can be measured according to the WUXINJI schematic diagram . The two 1.8V are on C1534 and C1560 respectively, 0.9V is on C1548, and 3.0V is on C1502, and the NAND voltage is normal. You need to take down the pin resistance of the NAND to see if there is a break between the CPU and the NAND chip.  At the same time, you need to test whether the NAND itself is damaged. The protective measures should be pre heated to remove glue, and the temperature is about 220 degrees. Choose the thinnes...

A dropped iPhone，the iPhone display screen has been replaced, after using for a while, the customer feedback that the fingerprint unlock function can't be used. Check fingerprint on the Settings, it prompts that "Failed, Unable to complete touch ID setup, please go back and try again".  Use Fluke 15B+ Digital Multimeter to measure the resistance value for fingerprint socket, all is normal. Replace the fingerprint connector flex cable, we found a tear mark on the iPhone fingerprint button. Picture 18-6-1 Perhaps the iPhone fingerprint can't be used is caused by disconnection, we need to re-connect the new flex cable. The line inside the flex cable is very thin, total is 19 lines. This can't connect a single cable, we can only remove the flex cable to docking. Take a new iPhone home button, put it under the Stereo Zoom Microscope , cut off from the position close to the original iPhone home button disconnection, take the end of the socket (try to...