1. If the battery socket in the machine is loose during transportation or use, open the rear cover with a screwdriver, pull out the battery plug, and insert it back into the mainboard seat in the original direction. Charge it again.
2. The battery is damaged. Please return this problem for repair.
3, this watch is only life waterproof, if the children play with water or wash their hands will watch water, the machine will be damaged (this phenomenon is the same as the mobile phone), in this case, please shut down immediately, open the back cover of the watch, unplug the battery, the watch dry 1 to 2 days, then use. If you still can not turn on, only out of the factory maintenance.
There may be a problem with the contact mouth, and this phenomenon will occur if the contact is poor, and you can return to overhaul.