User's Manual

7
accessories.
4.3 Bluetooth will disconnect when out of range.
5. Common trouble shooting
5.1 Unable to switch on
Press power button for 3 seconds
Watch must be charged fully.
5.2 Shut down automatically
Low power, please charge it.
5.3 Using time too short.
Battery is not full; please make sure it is full power (full charge needs
2hours at least).
During the use of SIM card, the power will be run off soon if the signal
too poor.
5.4 Unable to charge.
The battery’s life will be reduced after few years, change battery when
necessary. Also, check the charger; make sure it is still working. If
using USB, check the USB port for any problem.
5.5 No callers name when incoming call
Forgot to choose upload the phone book when connected with BT, or
unselected keep upload the phone book.
Forgot to sync the phone book when reconnected, please pair the device
and connect BT again.
5.6 Bad phone call voice
Watch and phone are out of range.
Bluetooth signal is bad.
Phone signal is bad.