Huawei G510 Maintenance Manual page 96

Step 2 Press and hold the power key to power on the G510.
Step 3 Check that the signal strength changes properly on a normal network.
Step 4 Place a call to a fixed-line phone and check the voice quality during the call.
Step 5 If no problems are found, exit the voice call test. If any problem is found, troubleshoot the
problem or send the G510 to an advanced service center for repair.
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2013-01-28
G510 Maintenance Manual V1.0
Huawei Confidential
INTERNAL
Page 96 of 96