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waves can not be effectively communicated.
- The use of mobile phones in call-intensive period, as indicated in the commuting time line
congestion caused not call.
Contacts can not call you
- Make sure the phone is switched on and connected to the network.
- Please confirm whether due to arrears incoming banned.
- Please confirm the UIM card is valid.
Contacts can not hear you
- Make sure that the microphone is turned on.
- Keep the phone the lower part of the microphone close to your mouth.
Standby time is short
- Standby time and the network system is set, and may be in a poor reception region. When
no signal is received, the phone will continue to launch in order to find the base station, con-
sume a lot of battery power, resulting in shorter standby time. Please move to signal strong
or temporarily turn off the phone.
- Need to replace the battery, replace the batteries with new ones.
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