Professional cellphone repair guide and high quality cellphone repair tools

There will be a variety of accidents when using the phone. Such as dropped into water or toilet. You found the water damaged iPhone 6 touch screen no display after booting, when insert the SIM card, the iPhone 6 can receive the callings from other cell phone, but there is no ringtone on iPhone 6. You needn't worry about it. It is easy to repair it. Based on our experience, because the iPhone 6 has fell into water before, so there must be a corrosive place that causes display function to be abnormal. We can start the repairs from the water inlet area, so we can easy to fix it. Disassemble the iPhone 6, take off the iPhone motherboard, and put it under the 14MP HDMI Camera Stereo Zoom Microscope  to check the place where the water is flooded, we found the 2 4 pin of the J2019 display socket have been corroded. Check iPhone schematic diagram on WUXINJI Dongle , the 2 pin is PP_LCM_BL_ANODE_CONN backlight power supply, 4 pin is PP_LCM_BL_CAT1_CONN backlight circuit. Clea...

To repair your mobile phone, it means that you must have the right tools and materials on hand. What tools do you need? In the following article, you will learn about all kinds of tools. You will know which tools you really need. The wisest purchase principle is to buy high-quality tools. Cheap or inexpensive tools and equipment can be inconvenient when fixing a phone. On the other hand, high-quality tools and equipment will help you easily and comfortably to repair your phone. AS a repairman, it is necessary to have effective tools to do good work. Today our VIPFIX team will share some high-quality mobile phone repair tools and equipment to you. Magnetic Pentalobe Screwdriver: The magnetic pentalobe screwdriver is iPhone iPad PC fix and disassembly tool. It will offer great performance to your repairs. Tweezers: Tweezers are often used tools in mobile phone repairs. They are used for all soldering repairs, wire copper soldering repair on cell phone motherboard, fingerprint jum...

Nowadays many people are using the iPhone7. Sometimes when we turn on the phone, the white Apple logo will appear. Many people do not know why it happened. Let me give you a detailed explanation of how to solve it. Phone model: iPhone 7 Symptom: Error 4013 is reported when restarting the system in data cable mode Repair : The most common problem on the Phone 7 device is the baseband portion, which is a common problem for iPhone  repair technicians.After 6S, if the baseband can't be identified, device will reboot with the white apple logo and not be able to enter the system. Maybe beginners will think that there is a problem with the Nand chip, no progress bar when restore system. If the baseband part is damaged, the error code can not be reported until 80%. But the iPhone 7 generation basically has a problem with the baseband. The repair process can be divided into the following steps: 1. Use Fluke digital multimeter  to measure if the capacitance is short circuit ...

Mobile phone fell into the water is a very common phenomenon, estimated that many people will encounter this situation. Water in the mobile phone is a very depressing thing. I believe that a lot of users have dropped their iPhone into the pool, the toilet, the beer glass, and even the washing machine with their jeans. Mobile phone fell into the water that everyone does not want to happened, But if it was happened, what should we do? After accidental flooding, proper emergency treatment can effectively control the expansion of problems. However, many wrong measures have not only failed to control the problem effectively, but have caused more serious problems. If you have a water damaged iPhone and you either want to get it working or get the photos and other things off of the iPhone. How to fix your water damaged iPhone? Where do you get started? What tools do you need? VIPFIX will show you how to FIX the water damaged iPhone? What professional iPhone repair tools do you need? L...

For most people, cell phones are an important way to keep in touch with the outside world. If there is no signal on the mobile phone, we can't make a call and receive a text message. It feels like we're cut off from the world. Some iPhone 7 users report that their mobile phones no 4G Signal after water damage. What can we do to repair it ? We received an iPhone 7 device, after inserting SIM card in, it only diaplays 2G signal instead of 4G signal. If there is only 2G signal on the mobile phone, which indicates the 4G signal parts get some problems. This situation only happens after your cell phone taking water in, the water damaged part is in the 4G signal channel. Water damage caused insufficient power supply of 4G power amplifier, resulting in no 4G signal. First , use iPhone repair tool kit to open the device, and remove the motherboard to observe under HDMI camera stereo microscope , but we can't see nothing from it, so remove the 4G power amplifier chip. ...

Many iPhone 7P users complain that the iPhone 7P won't turn on. Have you encountered this situation? Your needn't worry about it,here is the repair guide.Let's have a look! First of all, we need to connect it to DC power supply  with iPhone lightning cable to test the iPhone charging current, the current jumps around 200mA, not stable.we found the computer can't identify the iPhone when it is connected, and it doesn't boot. second , we need to disassemble iPhone to detect. with the help of the phone opening tools to tear down the iPhone, and then remove the iPhone motherboard. Measure the iPhone motherboard with Fluke 15B+ Digital Multimeter , there is no current, which means no leakage. Trigger it and it shows large current, the current up to 1.9A. Now, apply some rosin on iPhone logic board, and then use QUICK 861DW hot air rework station to heat it, it's turning white.As shown in picture. It's frustrating to see this, did the iPhone main power b...

“No service”message appeared on the iPhone screen, thus we are not able to operate our mobile  phone. In this critical situation, all basic functions could not be realized, including calls or messages. Sometimes, our iPhone 6S Plus will not show any service after the SIM card plug in. How to solve it? Basic on to our previous experience, if mobile phone shows no service after plugging in SIM card, there are generally two  damaged parts as follows. Part 1. Signal channel part Part 2. REFF bus You have to distinguish them when testing cell phone. Plug SIM card in, we can see the serial number when dial *#06# on dialing interface, as shown in picture, it seems that it is not the problem of the REFF bus, so we can exclude the fault caused by the bus (if the bus caused the fault, it will not show the serial number on the iPhone 6s Plus screen after dialing the *#06#). From the picture , we can see the operator option on the interface, there seems to be no proble...