share some phone repair tools and iphone icloud unlock tool

It is no doubt that people are happy to have a iPhone6 so high-end only mobile phones, but when equipment problems start to appear, many people feel very upset. We find current 80mA circularly run while connecting and triggering with multimeter , so maybe it's USB damgage cause I2C short circuit during charging process, first remove the iPhone 6 motherboard and take the USB off, but it's still the same as before, then we measure the I2C resistance and power supply! It is found that the I2C 0SCL is in a short circuit state. As shown in picture 11-10-1. Since it's short circuit, it means the connected chip is damaged, the connected chips have display, backlight, main power supply USB and the iPhone 6 CPU . First observe with microscope , it is found that all the backlight diodes are burning and discoloring. Then remove the backlight first, it does not short-circuit. The trigger current is normal, so continue to replace the 3 piece of iPhone backlight chips . Acco...

This post explicates the most possible causes of no display,iPhone 6 Plus LCD no display cpu problems . Read on to learn how to determine what actually has triggered your iPhone 6plus to encounter these problems and what must be done in order to get it running again. Received an iPhone 6 Plus need to repair. The iPhone 6 Plus LCD screen  has no display and no light, it changed the kit before. Now, we need to solve this problem step by step. 1. Measure the working condition of iPhone LCD display IC , all is normal. Then measure the display socket J2019 with Fluke 15B+ Digital Multimeter, we found the #3 pin is short circuit. 90_AP_TO_LCM_MIPI_DATA3_N MIPI image transfer data bus leads directly to CPU, the initial diagnosis is that the CPU is continuous tin or internal damage. 2. Remove iPhone CPU  and then measure this signal line, we found it is the earthing short circuit, which is CPU internal damage, the kit is damaged. 6P and 6 are not the same size; the circuit d...

Phone leakage is occasionally also happen, it is very bad, don't worry, Vipprog tell you how to solve. Generally, if cell phone device is tested as 200mA electric leakage when booting, the first choice is to replace USB tube. Of course, this is not absolute, the iPhone 6 we are going to fix today is not caused by the USB tube fault. Connecting the iPhone 6 with multimeter , the current shows 200mA. we directly replace a USB tube. The result is that the current is still in the 200mA position after waiting for a few minutes. So we wonder if there is another fault symptom happened, the last repair technician mentioned the iPhone 6 fingerprint  is not good. When heard of this problem, we can basically judge where the problem is. Connecting multimeter and trigger the on-off current with 300-400 mA, this is not normal. There must be something wrong with the fingerprint 3V. Use the multimeter to test fingerprint 3V against the ground value, it is short. This kind of situation is ...

vip pro shop team have sloved the most common questions about how to fix iPhone 6 Sensor Failure and Fast Power Consumption Repair.  Depending on the device, mobile phone  repairs can be a tedious process.  Troubleshooting is a vital part of both diagnosing a broken part, and discovering what step was missed after repair.  we are here to make your life easier. issues: Received a customer's iPhone 6, according to his description, the fault is that the sensor can't be used, and the iPhone 6 battery  power consumes very fast.  How to fix the faults? First we need to connect DC power supply to have a test. Repair process: Disassemble to connect power supply, the value is normal with standby mode, when turn on the iPhone 6, it's found that the current jumps from 300mA, the normal current should be from 80mA. As shown in picture 11-7-1. Customers said that the phone is not black screen, the flex cable was replaced before but the failure is still exis...

Although the iphone of quality is quite good and very popular, but there will be a variety of failures, such as: Cell phone screen half dark. how to fix? A customer has sent us an iPhone 6 Plus to repair, which problem is the half iPhone touch screen  is dark and the other half is bright, sometimes even no display. Because the customer only sent us the iPhone motherboard  , after we received it, we checked it immediately. We found the motherboard repaired, and the iPhone backlight has been replaced. By the way, there is a capacitor that is not installed.Picture 11-6-1 Now we directly remove the yellow insulation tape , cleaning up the repaired place, and then supply power on it to test, the left backlight is dark. Picture 11-6-2 After using the QUICK 861DW to weld the capacitor that didn't install before, turn it on and test it, now the backlight is back to normal, it can display normally. According to check the WUXINJI circuit diagram, we know that the backlight ...

iPhone 6 Plus“touch disease” can be cured, but the Apple Store doesn’t have the ability to fix it. Fixing “touch disease” requires advanced tools and knowledge. vip pro shop team tell you to fixing “touch disease”. Received an iPhone 6 Plus, first we need to know the basic information about the device. According to the customer's description: 1. the iPhone touch  function can not be used; 2. there is very important data in the iPhone so that we need to pay attention not to restore the device. Repair Process: 1. The failure is that the touch can not be used, we still follow the rule: easy operation first, first replace the iPhone screen, the touch is still no working. 2. After excluding the screen problem, we judge it's iPhone motherboard  problem. 3. Remove the motherboard and connect to measure touch voltage, PP5V7_SAGE_AVDDH touch +5.7V is normal, PP5V7_SAGE_AVDDH touch the -5.7V voltage has no value. As shown in 11-5-1. 4. The other points are found to be nor...

Trouble Phenomenon If your Apple iPhone 6Plus have no sound, it is unbelievably frustrating. When you receive a call or play music, there is no sound on the iPhone 6 Plus,all sound is gone. Repair Ideas 1. Check the current and voltage between the iPhone tail plug  and audio 2. Replace the iPhone audio IC. 3. Check the line from audio to iPhone CPU to see if it is normal Repair Process 1. Use JM-9102 Disassemble Tools  to replace the iPhone rear shell assembly, and then test it, the fault still exists. 2. Use Fluke 15B+ multimeter to measure the resistance value from tail plug socket to small audio, all is normal. 3. Remove the small audio and then measure the line from small audio to iPhone A8 CPU. After measuring the diode data of SPKAMP_RESET_L, we found its data showed infinity, it may be caused by the disconnection or CPU virtual welding. In this step, WUXINJI schematic diagram  will help you a lot. Picture 11-3-1 and Picture 11-1-2. 4. Afte...

When Users are having trouble starting the iphone 6plus, as such the iPhone 6plus is able to boot and receive calls, but the screen does not display, we replaced the screen before opening it. It doesn't look much damage on the appearance, after replacing a new iPhone 6 Plus screen  to test, it still doesn't display and no backlight. The measurement of display conncetion resistance is shown in picture 11-2-1. The measured value is completely normal, there is no current burnt traces on the iPhone backlight chip and display power supply IC , so we can start to work on its display part. Taking off the display IC under good protection, and work on solder pad with low temperature solder, do not rush to replace the new IC, the bottom resistance should be measured before that. As shown in picture 11-2-2. The result shows that the D3 pin I2C bus CPU has no resistance to the clock signal of the display power, and the C3 display has no resistance to the power IC signal. Accordi...

When I try and use my phone 6 normally the screen comes up very blurry,When we received it and check it, it's not dropped and water damaged. We judge the fault is in the iPhone screen  circuit and the touch circuit (sometimes a zebra stripe appears after booting), as shown in picture 11-1-1. According to the common problems, directly replace the U2402 deputy touch IC and U1501  screen power supply IC , the fault still exists. We have to repair it step by step, now we open the WUXINJI circuit diagram, as shown in picture 11-1-2. Use Fluke 15B+ Digital Multimeter to measure the J2019 screen connector socket power supply, reset, open and bus, all data is normal. Then we try to remove the U2402, but the problem still the same, the repairs falling into slow rhythm. Remove the U1501 screen power supply IC, and measure the diode data of power supply, reset, I2CO bus, all is normal, directly replace it, the problem still the same. The repairs again turn into the slow pace. Is...

Customer to repair a 6SP no touch, the faulty iPhone 6sp motherboard  problem is shown in picture 6-5-1. Fault Detection : First observed the iPhone 6SP main board appearance after getting it, we can see it has slight water influent, but no obvious corrosion, also there is no obvious deformation on the board. Fault Repair: 1. According to our repair experience, the first step is to measure resistance value with multimeter , we find there is no resistance value displayed on J4200-22 pin, so the fault of we are going to solve today is found out now. As shown in picture 6-5-2. 2. After removing glue on the main board, it is found that FL4215 falls off, as shown in picture 6-5-3. 3. How to solve the fault? just directly short connect FL4251, the resistance value is tested normal. 4. Now continue to install the iPhone 6sp screen  and have a test, touch function finally gets normal. Now the fault is perfectly solved! is shown in picture 6-5-4.

Recently, we received one dropped iPhone 7 and one iPhone with iCloud lock from our customer, the customer describes the iPhone 7 that was dropped without iCloud, but it doesn't boot. The customer wants us to fix it, and then change it to the iPhone which with iCloud lock. But now, we need to fix the dropped iPhone first. After checking, the iPhone is hurting a lot by a serious drop. The screws   on motherboard have been dumped, as shown in picture 6-3-1. Connect it to UD 1505TA DC power supply first, it shows large current leakage. After measuring, we found the iPhone NAND flash  3V power supply was short circuit. After observation, we found the iPhone motherboard slot position is bent; the short circuit may also be in this position. After remove the two capacitors, which on the side of the NAND flash, detecting it again with DC power supply, now it can be turn on normally. Picture 6-3-2 Turn on iPhone and test functions on iPhone, we found there is no WIFI; someti...

If you are looking for a way to unlock  for 4G Version iPad Air 2 , then read this article: How to Unlock ID for 4G Version iPad Air 2 ? We received a customer's iPad Air2 device (4G version) today, the owner said that the 4G version ID account is forgotten by him, the only solution for the situation is to change the 4G version into WiFi version. For iPad Air 2 (4G version) device, it can be easy to change to the WiFi version as long as it is right to fill the iPad R0505 resistor on the GPIO_BRD_ID2 signal. R0505 resistor part is shown in iPad schematic diagrams  as following: Picture 10-14-1 and Picture 10-14-2 Flash WiFi version firmware, if it's processing normally, WiFi will not be used. There are WiFi address on the iPad but we can not open, it will become gray when opening the WiFi sign. Picture 10-14-3 and Picture 10-14-4 In front of this kind of situation, we need to replaced a iPad WiFi Chip  called 339S0251, so that it can be used normally, o...