Here’s the solution for Nokia Lumia 520 for Insert sim card problem or the phone won’t recognize or detect any sim card inserted to it. We track down the simcard pin connection as showed on the image below. We can use it for an ease of troubleshooting, if the insert sim card error problem occurred on the device.
nokia 520 insert sim solution
nokia lumia 520 sim ic jumper
nokia lumia 520 sim connecter ways, track, jumper
repair nokia 520 insert sim problem
Here’s some hints on how to troubleshoot and fix the Nokia Lumia 520 Insert sim card problem:
1. Check and ensure that the sim card inserted is still working or try to use another one.
2. Visually check the sim card pin connector surroundings, clean if an oxidation build up spotted.
3. Trace and check the VSIM, GROUND and DATA down to the components where it is being connected.
Hardware Solution:
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