Huawei G510 Maintenance Manual page 21

Failed to upgrade the
G510 using the USB
cable.
Failed to upgrade the
G510 using the
microSD card.
2013-01-28
G510 Maintenance Manual V1.0
1. Check that the USB cable has been properly connected to the
computer.
2. Perform the upgrade again.
1. Check that the upgrade file is correct.
2. Check that the upgrade method is correct.
3. Check that the microSD card functions properly.
4. Perform the upgrade again.
Huawei Confidential
INTERNAL
Page 21 of 96