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abnormal operation when the device is switched on.
4.5. Charging the battery
Connect the charger to the appliance and plug the other end into the
socket. If the device is turned on while charging, the battery icon will
move in the right corner of the display. Charging is completed when the
charging indicator on the top right is lit. If charging is switched off, a
charging indicator appears on the display. When charging is complete,
unplug the charger from the unit.
Note: When the battery voltage is low, a warning message is displayed
on the display. Charge the battery as soon as you can, to avoid any
inconvenience, the device can be switched off during a telephone
conversation. Your device can automatically turn off when the power
level is too low.
1. If you use the battery at a persistently low charge, it may adversely
affect the battery life and quality.
2. Use only the charger approved by the manufacturer for proper
operation.
3. Do not remove the battery during charging.
4. Fill the unit for at least 4 hours before first use. This can increase the
efficiency of the multiple charge and discharge cycles.
4.6. Maintaining the battery
The device has a rechargeable battery. When not using the charger,
disconnect it from the power source. For more than a week, do not
leave the phone charging. Temperature influences battery capacity.
Battery may need to be cooled or warmed up before charging. If the
battery temperature is lower than 0 ° C or higher than 45 ° C, do not
charge the battery. Use the battery according to its intended purpose.
Do not short-circuit the battery terminals. Do not use a damaged
battery. If you are using an appliance under extreme temperature
conditions, the battery will not work properly and its life span will be
reduced. DO NOT throw the battery into fire, follow local laws and
regulations regarding the disposal of the spent battery.
5. Power on/off
Press and hold the End / On / Off button to turn the unit on or off.
1. If a SIM card is not inserted, it is defective or not fit correctly, a
