Now, the cell phone has become a necessity
for most people, because people are no longer the same as in the past, printing
photos to save or write the contact in the diary, they almost put everything on
their phones, the photos, the videos , the contact and so on. However, what if
the motherboard is broken? All the data will be lost. What can we do now? We
need to restore it and here is the solution.
1. Disassemble the iPhone, and remove the
motherboard by phone opening tools
2. Very carefully detach the A8 CPU, EEPROM
and NAND Flash from the motherboard; this is the key to data recovery.
3. Use rosin, BGA paste flux, PCB cleaner,
solder iron and razor blade to clean A8 CPU, EEPROM and NAND Flash.
4. Use hot air gun to reballing it on BGA
reballing stencil
5. Install all three chips to the new
motherboard
6. Install the motherboard to the iPhone
and assembled the iPhone, and then test it to see if the data is restored.
Tips:
1. If one of these three chips (CPU, NAND
Flash, EPPROM) is broken, the data cannot be recover
2. Need professional technology and
experience during the operation
3. Need high-quality phone repair tools, you can try to vipprogrammer.
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