LG KG200 Service Manual - Page 49
SIM Card Problem
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Page 49 highlights
4. Troubleshooting SIM Card Problem Start Check J500 YES Check C511 YES Check the U100 YES SIM will work properly NO Change J500 NO Change U400 NO Change U100 J500 - 50 -
![](/manual_guide/products/lg-kg200-service-manual-58a34f5/49.png)
4. Troubleshooting
- 50 -
SIM Card Problem
Start
Check C511
Change U400
Check J500
Change J500
Check the U100
Change U100
SIM will work properly
YES
YES
YES
NO
NO
NO
J500