User guide

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Appendix I Common Fault Diagnoses
Trouble Possible reasons
The phone cannot be 
switched on
1. Check to make sure baery is charged
2. Check to make sure baery is installed properly
Baery cannot be charged
1. Check if the charger is connected with the phone correctly.
2. Check if the charger is connected with the socket correctly.
3. Check to make sure that the baery is holding charge. The performance of the baery 
will degrade over me.
Fail to link the network
1. The signal is too weak, or there may be some radio interference. View the signal 
indicator on the screen to see whether any bars are showing
Cannot make a call
Check to make sure the phone is registered in the network.  Check whether the screen 
displays signal indicator.
Cannot answer a call
1. Check to make sure the phone is registered in the network.
2. Enable the ‘call forwarding’ funcon 
3. Check to make sure the ‘Blacklist incoming’ funcon is enabled.  
Unable to use some 
funcons
Consult with network operator for whether it supports these funcons and whether 
subscripon is required.