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Showing posts from January, 2020

Step by step to fix iPhone XR doesn't boot issue

Press the power button, but the iPhone XR doesn't boot. We are going to fix it step by step.   Step 1 Disassemble the iPhone XR.  Use screwdriver and pry tools to disassemble the iPhone XR, remove the iPhone XR display assembly. Step 2 Measure the iPhone XR motherboard. Disconnect the iPhone XR battery, connect the iPhone XR motherboard to a DC power supply, it leaks 710mA. Step 3 Observe the iPhone XR motherboard. Take off the iPhone XR motherboard, put it under a Trinocular Stereo Microscope to observe, we found the shield had crushed marks. Step 4 Find out the faulty part. Use tweezers to remove the shield, and then put iPhone XR motherboard to a PCB holder fixture. Now use soldering iron to smoke some rosin to the motherboard, we found a small filter capacitor next to the iPhone power IC melted first, which was part of the fault. Step 5 Fix the faulty part.  Use hot air gun and tweezers to remove this filter capacitor, and then use Fluke 17B+...

Guide: use JC Pro1000s to unlock iPad Air 1 iCloud

The iPad air 1 was locked by iCloud, and the owner of the iPad forgot the the password, what can we do? We can use JC Pro1000s to unlock the iPad air 1 iCloud. Here is a guide. For unlocking the iPad iCloud, we need to use Nand programmer to rewrite the right data to the iPad Nand flash, and then activate the the iPad. Put the iPad Air 1 on the Screen Separating Machine for heating, after a while, place a suction cup on the screen, pull up on the suction cup to slightly separate the front panel glass from the rear case, now insert a plastic triangle opening tool to the gap between the screen and rear case. Now insert few more plastic triangle opening tool to the gap between the screen and rear case, and then carefully open the iPad display screen.  Disconnect the iPad battery, and then take off the iPad motherboard. Now connect the iPad Nand non-removal adapter to the JC Pro1000S programmer, and then turn it on. Place the iPad air 1 motherboard in the right positio...

What's The Best Phone Soldering Rework Station in 2019?

In order to repair the damaged phone motherboard, the soldering station is very important, which determines that we need a high-quality soldering station. What's the best phone soldering rework station in 2019? Here are some suggestions. 1. LEISTO T12-11 Soldering Station LEISTO T12-11 soldering station is for repairing mobile phone motherboard, it's a lead Free, high-accuracy temperature, adjustable constant-temperature and anti-static soldering station. LEISTO T12-11 phone repair digital intelligent lead-free soldering station comes with 3pcs soldering iron tip. Available in 110V and 220V. 2. Jabe UD-1200 Soldering Station Jabe UD-1200 soldering station is a lead-free welding tool for precision electronic applications, with exclusive heating system, 2.5s rapid heating and the intelligent sleep, Jabe UD-1200 soldering station comes with 3 pcs soldering iron tips, available in 110V and 220V. 3. JBC CD-2SHE Precision Soldering Statio n As we know, JBC s...