User Guide
Confidential and Proprietary Information of ZTE CORPORATION 20
C h a p t e r 16
Troubleshooting
Problem
Solution
Poor reception
• Move to a location where the network signal can be properly received.
• Avoid using the phone at such times, or try again after waiting a short time.
Echo or noise
• Press the End Key and dial again. You may be switched to a better-quality
network trunk or phone line.
Unable to select certain features
• Contact your service provider.
Battery will not charge
• Contact the dealer.
• Adjust the battery charging environment to avoid extremes of temperature.
• Check all connectors to make sure all connections have been properly made.
Shortened standby time
• If you are located in an area where signaling is weak, temporarily switch off
the phone.
• Use a new battery.
• Change your location to one where the network is accessible, or temporarily
turn off your phone.
Cannot switch your phone on
• Recharge the phone's battery.
SIM card error
• Take the SIM card to your service provider for testing.
• Insert the SIM card properly.
• Use a soft, dry cloth to clean the SIM card contacts.
Unable to connect to the network
• Contact your service provider.
• Check the service area with your service provider.
• Move to an open space, or if you are inside a building, move closer to a
window.
Cannot answer incoming calls
• Go to Settings > Call > Call Barring, and then select Cancel All Call
Barring.
Cannot make outgoing calls
• Go to Settings > Call > Call Barring, and then select Cancel All Call
Barring.
• Go to Settings > Security > Fixed Dial Numbers > Status and select OFF to










