Before The Purchase, Please Make Sure Both The MacBook Pro /Air/ iMac Models and The Logic Board Number (EMC) Match The Listing BIN Files Below--THIS NOT FOR KIDS
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| Date | 2020-01-11 08:29:58 |
| Filesize | 3.66 MB |
| Visits | 220 |
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Before The Purchase, Please Make Sure Both The MacBook Pro /Air/ iMac Models and The Logic Board Number (EMC) Match The Listing BIN Files Below--THIS NOT FOR KIDS
1. Disassemble the laptop
2. Find the chip (we will offer the picture showing the location of the BIOS EFI Firmware CHIP)
3. Desoldering EFI chip (or Read EFI chip without desoldering with any SPI USB Programmer)
4. Reprogramm the EFI Chip with the Original Clean BIN file which we will send by email
5. CLEAR "NVRAM" (ALT+CTRL+P+R) after programming EFI Chip
6. Boot from USB Mac OS X bootable disk
7. Format Hard Drive
8. Setup Fresh OS X Mac System (recommend MacOS High Sierra)
9. THIS NOT FOR KIDS
