iPhone 6 cannot be activated repair

iPhone 6 cannot be activated repair

Machine model: iPhone 6

Fault phenomenon: the mobile phone cannot be activated

iPhone 6 cannot be activated repair Figure 1.

Maintenance process: after trying Update System again, the result is still the same, and it cannot be activated:

1. The WiFi Bluetooth address at the bottom of Nand does not match;

2.no Baseband Version;

3. NFC function failure;

4. The system is too old.

This onemobile phoneObviously excluding the second and fourth, dismantle the machine and observe that Nand has not moved. Lock the target on the NFC and remove the NFC chip.

iPhone 6 cannot be activated repair Figure 2.

Directly replace the chip, boot successfully activated.

iPhone 6 cannot be activated repair Figure 3.

Trouble shooting, maintenance finished.