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iPhone 7 can’t be called out or in for repair

The iPhone 7 phone can't call out or come in. After detection, it is found that it is caused by the damage of a small RF chip. After replacement, the fault is repaired.

iPhone 7 can’t be called out or in for repair

Machine model: iPhone 7
Malfunction: The phone can’t be called out or in.

iPhone 7 can't be called out or in for repair

iPhone 7 can’t be called out or in for repair Figure 1.

iPhone 7 can't be called out or in for repair

iPhone 7 can’t be called out or in for repair Figure 2.
After testing, the machines have IMEI,Baseband, WiFi and network.

iPhone 7 can't be called out or in for repair

iPhone 7 can’t be called out or in for repair Figure 3.

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iPhone 7 can’t be called out or in for repair Figure 4.

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iPhone 7 can’t be called out or in for repair Figure 5.
Calling is a 2G network, and problems in general public parts will lead to failures in both transmission and reception.

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iPhone 7 can’t be called out or in for repair Figure 6.

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iPhone 7 can’t be called out or in for repair Figure 7.
Change the little RF.

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iPhone 7 can’t be called out or in for repair Figure 8.
Handling PAD,Measuring diode value is normal.

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iPhone 7 can’t be called out or in for repair Figure 9.
All functions of the startup test are normal, and the maintenance is finished.

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