Huawei G510 - Page 75

G510 Maintenance Manual V1.0
INTERNAL
2013-01-28
Huawei Confidential
Page 75 of 96
Analysis
The PM8029 provides input and output signals to control the SIM card port of the G510.
Troubleshooting
Fault symptom: The G510 fails to detect the UIM card.
Handling: Check that the UIM card slot is normal. Troubleshoot the fault according to the
process shown in Figure 9-38.