Troubleshooting - Huawei M615 User Manual

11 Troubleshooting

If you encounter any problem when using your phone, try to rectify
the problem according to the following table. If the problem
persists, contact the service provider or the dealer.
The battery cannot
be charged.
The phone cannot
be powered on.
You cannot make
a call except an
emergency call.
Bad call quality.
During a call, the
other side cannot
hear your voice.
The charger is properly connected to your
phone and the power socket.
• The battery power is sufficient.
• The battery is properly installed.
• Press and hold End key.
• The phone number is correct.
• You are in the network service area.
• You have not enabled the call restriction
function.
• The signal strength is strong enough.
• If you are staying indoors, move close to a
window.
The microphone is not covered.
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