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Redmi K20 calls to remind you to turn off flight mode for repair
Machine model: Redmi K20
Fault phenomenon: call to prompt to turn off flight mode
Maintenance process:
Redmi K20 called to prompt you to turn off the flight mode. After dismantling the aircraft,water damage was found, and the RFFE bus chip VCC was found to be burnt out. After scraping PCB layer, the Jump wire fault was solved.
Redmi K20 calls to prompt Please turn off flight mode repair Figure 1.
Redmi K20 calls to prompt Please turn off flight mode for repair Fig. 2.
Redmi K20 calls to prompt Please turn off flight mode for repair Fig. 3.
Redmi K20 calls to prompt Please turn off flight mode for repair Fig. 4.
Redmi K20 calls to prompt Please turn off flight mode for repair Fig. 5.
