Your Guide to Local iPhone Repair Services

We received an iPhone X needs to be repaired, the problem is that the iPhone X voltage is unstable, it jumps repeatedly from 0mA to 50mA,  and it is different from the normal booting current. Here, you can get best solution to repair it. when we received the iPhone X, we carefully remove the iPhone X motherboard by phone opening tools, and then we  test whether the power supply of every circuit is normal. PP_VDD_MAIN is measured 4.2V; PP_VDD_BOOST measured is 4.2V. PP1V8-ALWAYS is 1.8V, all the values are normal. But when testing PP1V1_S2, PP0V8_SOC_FIXED_S1, PP1V8_S2 and other circuit voltage that output by power chip U2700 voltage are jumping constantly. According to previous experience, voltage jump is usually caused by a power supply circuit of U2700 output. Measured with   VC890D  digital multimeter , there is no short circuit was found for the dipole value of all power supply to ground. We repaired iPhone 7P before and know that if crystal oscillator i...

Here to get a best solution to fix iPhone 7 Plus PCB board short circuit and no service issues. The iPhone 7 Plus was accidentally got some water,  then some problems comes out. After checking, it shows large current. The details as follows. First of all, observe the iPhone motherboard under the VGA Camera 7-45X Trinocular Stereo Microscope ,   it is slightly water damaged, large current when connecting on DC power supply ,  3.8V short circuited. Because it is slightly water damaged, firstly check the specific damaged area, and find that the capacitance is corroded, which is the capacitance on the 3.8V circuit. Pick up the fault and solve it, then clean it in the water inlet, gently fix the trouble and test the whole function after screen installation, now all other functions are normal, but there is no service on the iPhone 7 Plus. Observe the radio frequency section under the Trinocular Stereo Microscope  , we find the reception of the front ...

Our customer sent an iPhone 7 Plus to us, the problem is that the iPhone 7 Plus won't turn on. He wants us to fix it. Trouble phenomenon The original problem with this iPhone 7 Plus is that the iPhone touch screen  shows half bright half black after the boot, when repaired this problem, the iPhone 7 Plus won't turn on. Repair process After we received the iPhone 7 Plus, first of all, we need to use JM-P01 Essential Toolkit  to disassemble the iPhone, remove the iPhone motherboard and then put observe it under the VGA Camera 7-45X Trinocular Stereo Microscope , there has traces of water, and many small original components have been torn down. Connect iPhone motherboard to the computer with C48 MFI USB Cable , there is no response. With the help of YH898D hot air gun  and tweezers, we remove the iPhone NAND Flash, and then connect it to computer again, still no response. Use Fluke 15B+ Digital Multimeter   to measure the booting power s...

Good news! The Nand programmer for iPhone 8 8P X has been released! We called it JC PCIE-8 NAND Test Fixture.Now you can use it to fix the iPhone 8/8P/X. JC PCIE-8 NAND Test Fixture is the iPhone 8 8P X NAND underlying data Programmer, iPhone 8 X NAND Test fixture is designed to Change iPhone NAND underlying data, Serial Number / Model / Country / Color modification, Repair iPhone 8 8P X NAND error, Expand iPhone 8 X NAND Memory Storage, This PCIE-8 module also can working on JC pro1000S machine. It doesn't need boot NAND, don't need the engineering line, don't need batttery, touch switch control, identification the nand direction Function: 1:  Don't need Boot Nand Flash, easy to use 2:  Support iphone 8 8P X NAND models: SN, country, color modification. 3:  Nand Flash capacity expansion or repair. Expand your iPhone 8 8P X Memory flash storage 4:  Batch / Mass Burning NAND, Fast and convenient 5:  Modify Nand underlying data. Kernel data file rep...

The iPhone 7 reports unknown error 11 when flash it, what's going on?  Previously, we expand the iPhone 7 memory by JC Pro 1000s , after finish that, we flash the iPhone, and then iTunes error 11 shows up. Fortunately, we have find the best solution to fix it. In the process of expanding  iPhone  memory, we remove the iPhone Nand flash , and then we install the new Nand flash, after finish that, we use iTunes to flash it,  the result is that when the brush progress bar goes to One-tenth, the iTunes reports unknown error 11.  Then we are trying to get the phone from DFU mode into recovery mode, it's a failure, the iPhone cannot enter recovery mode from DFU. According to the previous maintenance experience, we need to take out the iPhone NAND flash to check whether the customer removed the resistor during the glue clean up. With the help of QUICK 861DW and tweezers, we quickly removed the NAND flash. After checking, we found a few small capacitor...

Received an  iPhone 6s ， its problem is won't turn on. We disassemble it by JM-9102 Disassemble Tools , remove the iPhone motherboard and then measure it with Fluke 15B+ Digital Multimeter . When you press the boot button there is a large current of 500mA, it is leakage and then won't turn on. After seeing the ammeter, the first thing we think about is not the iPhone battery voltage leakage, nor the power supply of VCC. After pressing the power button to appear large current is caused by the power supply load in the leakage or short circuit. First we use a Temperature-sensing method to feel the iPhone where the temperature is higher. After checking, we preliminary judgment the temperature is obviously high near the fingerprint line. Now we're going to check exactly which part is wrong. Through the soldered Rosin  method, we found that the 3D touch tube was obviously hot. This time we have an idea that this is not necessarily a problem with the powe...

A customer have sent an damaged iPhone 6 to us, the faulty is that the iPhone is silent, which means the iPhone 6 totally no sound! No matter the  Microphone or    Earphone, moreover, the iPhone speaker is grey out!  After checking, we have get the best solution for fix these problems.  Sound fault is the most common in cell phone repairs, there are many chips control the sound function, so you need to be careful to avoid more malfunction during repairs. This iPhone 6 has ringtone sound when someone calls, but the speaker icon turns grey after connection.  First, we use the simplest elimination method to diagnose where the fault comes from, removing the iPhone 6 Audio Flex Cable    to check the receiver; removing the earphone to test the speaker. After testing, there is still no voice. It can be judged that the chip is out of order. As we know,  U1601 small audio water damaged phone comes out of a lot of problems, leading...

Is your iPhone 7 not charged? Confused about that? Here! You can get the iPhone 7 cannot charge repair guide! Pick up an iPhone 7 and measure it with Fluke 15B+ Digital Multimeter , the result is that the single side displays charging but actually no power gets in, the other side is no display and no no power gets in. Firstly, take an iPhone 7 charging port  to replace, we need to exclude the possibility of faulty external spart parts. After replacing the charging port, the same problem still exists, the single side has diplay but no electricity.  Next, disassemble the iPhone to replace chip, this problem is generally caused by iPhone USB charge IC . Remove the screen we find the fingerprint inside, it is same after the replacement of charging port parts. Disassemble the iPhone 7 motherboard  to find the USB management chip motherboard, we do not know which chip it is, so now take iPhone 7schematic diagram  directly,  we search the 161...

Today, we are going to share how to fix the iPhone 6 no display after boot, and it was caused by damaged display touch IC. 1. Disassemble the iPhone by JM-9102 Disassemble Tools , m easure the diode data of display socket J2019 with Fluke 15B+ Digital Multimeter , there is no exception found in data. Measure the power supply output of iPhone display touch IC , there is no short circuit. When measuring the bootstrap voltage, we found there is no voltage. We can check the iPhone circuit schematic diagram on WUXINJI Dongle . 2. When we measure diode data, we found that C1554 had no short circuit, but also no resistance. In normal case, C1554-1 this one end can measure more than 600, the reverse resistance C1554-2 this one end can be measured to more than 600. We initially suspected that the display IC is virtual welding, after replanting the tin with QUICK861DW  Hot Air Rework Station, it doesn't work. Now, our suspicions are disconnected. Remove the display touc...

A Japanese version of the iPhone 6, the customer says the iPhone battery  has been replaced, it can go into IOS before, but not now; Sometimes have the WIFI and Bluetooth, but sometimes haven’t; the iPhone battery consumption is fast, and iPhone is overheating. Comprehensive information provided by customer, we think this is caused by the damage to the iPhone WiFi chip . The iPhone can be powered on before, but not boot now, mostly because the batteries are running out. Using JM-9102 Disassemble Tools  to dismantle the iPhone, test the battery, it's really running out of power. Just leave it alone first ， and supply power on the iPhone motherboard. As shown above picture, it's leaking 200mA. Now measure the diode data of VCC_MAIN with Fluke 15B+ Digital Multimeter , as shown in the following picture Judging from the test results, the diode data of VCC_MAIN is low. Think of the customer before said WiFi sometimes good sometimes bad, so we directly r...

A customer sent an iPad 5 to repair, the phenomenon of failure is that when press the iPad power button, it has no response, the iPad touch screen  is black. We need to disassemble it and check it. The iPad display connector socket  and the display line socket are damaged; also, there is a marked scorch mark at the boost inductor. After measure the diode data of iPad 5 socket, the boost inductor is the open circuit, the resistance of the other side is normal. Replace it with new display connector socket and display line socket, after installation, we found the inner display screen iPad backlight Diode  can be lit, but no display on iPad screen, so the initial judgment is that the iPad screen is damaged. Replace a new iPad LCD screen and assemble it. Measure it with Fluke 15B+ Digital Multimeter , now the iPad Tail plug detection signal has about 1.8V, and the screen can be lit after the iPad power on. We thought the issue has been solved. However, when i...

During the cellphone repair process, the WUXINJI schematic diagram is necessary. With Wuxinji Dongle, you can fix the iPhone iPad or other cellphones  more efficiently and faster. Now the WUXINJI circuit diagram can support  iPhone 8 to iPhone 4, even iPhone X, iPad, Samsung and XiaoMi. New WUXINJI Dongle is available, online user name and password is out of production. Full Version: iPhone and iPad Components Schematics Diagrams, IC Parts Datasheets etc.... (From iphone 4- 7 8 X) iPhone (access DWG), iPad (access DWG), FingerPrint Key(access DWG), Screw Hole (access DWG), Samsung (access DWG),Xiaomi (access DWG) Support english, When install it, pls choose "Englsih" Download link: https://drive.google.com/file/d/0BzMEvK0bAD0eUVM5SjdRMEY5U2c/view?usp=sharing More information, please check vipprogrammer or contact VIP Pro Shop Team .

Today, we need to fix an iPhone 6, which problem is that the iPhone 6 touch function can't used normally. This iPhone 6 has been repaired several times, but all failed. Now, VIP Pro Shop Team will use professional phone repair tools to troubleshooting it. After we received the iPhone, we tested it and found that the fault was a little different. The specific failure performance is that the iPhone shows normal after entering the IOS, touch it with your fingertips has no effect; Touch it with your finger on the iPhone display screen , it works but not sensitive; If a little bit of force is used to press the screen to slide, it can be used normally. However, it's obvious that the owner of iPhone can't use the phone properly. Testing it by disassemble the iPhone, we found the white touch IC  and black touch IC has been replaced. Because the phone has been repaired many times, although not repaired, but these two chips have been replaced, which means that they are no...