Operation Manual

AT-S3D Dual SIM Phone Manual
Page15of84
Followthefollowingdiagramtoinstallthebattery.













Note: Do install the battery as per the diagram so as prevent the battery contact
patchbeingdamaged.

Charge Battery
Thenewbatterycannotreachtheoptimalefficiencyunlessithasundergoneseveral
continuouscompletechargesanddischarges.
When the battery is used up, charge it in time. Over‐discharge can damage the
battery.
After the battery is charged full, cut off the connection of charger with the AC
powersupply
andthentheconnectionwiththemobilephone.
Followthefollowingdiagramtoconnectthecharger.