iPhone 6 Keeps Restarting? – Fix Error 9 14 40

More and more people reported that their iPhone stuck in a restart loop. The phone continuously restarts and became totally unusable, the Apple logo appear and disappear, over and over again.

Does your phone ever meet this common problem which drives you crazy? Watch our video to get it fixed now!

Tips:

1.Prepare a new 64GB NAND flash memory chip.

2.Error 21, 9, 2009, 4005, 14, 40 indicate NAND flash or CPU malfunction.

3.You may need to repair the CPU if the phone still keeps restarting after the NAND flash chip is replaced.

Tools Used:

64 Bit Nand Flash Memory Chip Programmer: https://goo.gl/H23N4U

Mobile Phone Repair Platform: https://goo.gl/C9JNsq

Digital Multimeter： https://goo.gl/11qAki

Electric Soldering Iron：https://goo.gl/xZPAeL

Hot Air Gun：https://goo.gl/I1dvws

PCB Holder：https://goo.gl/e0DkZi

Screwdriver： https://goo.gl/u86I98

Tweezers: https://goo.gl/z6b3Gu

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