Huawei P30 Pro Does not recognize sim card (No sim out of nowhere) Repair

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Revision as of 23:04, 12 January 2024 by ASRepairs (talk | contribs) (Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Repair of a problem where the sim card on a P30 Pro suddenly becomes unrecognized. thumb|243x243px|flex connector example (Figure 1) ==Symptoms== *No sim card detected/recognized thumb|254x254px|Flex cable slot example (Figure 2) ==Solution== Charging port flex cable On Huawei P30 pro, sim slot is locat...")
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Huawei P30 Pro Does not recognize sim card (No sim out of nowhere) Repair
Device
Affects part(s)
Needs equipment
Difficulty
Type


Problem description

Repair of a problem where the sim card on a P30 Pro suddenly becomes unrecognized.

flex connector example (Figure 1)

Symptoms

  • No sim card detected/recognized
Flex cable slot example (Figure 2)

Solution

Charging port flex cable On Huawei P30 pro, sim slot is located on the bottom of the phone. Charging port flex cable connects charging port to mainboard, as well as connecting sim slot daughter board to mainboard. For some reason (not sure if its simply a design flaw, mechanical stress or whatever..), pins gets broken off the connector (either on sim slot daughter board side or on mainboard side) and looses connectivity. Solution is to replace the flex cable, and before doing so, residue of the pins should be taken out of the connector.

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