one
Turn on the heat gun and point it at the lower cover of the Bluetooth headset for a moment.
two
Gently remove the lower cover, then use a knife to pry the cover off the side of the headset.
three
Remove the battery from the inside of the headset and put in a new battery.
four
After the battery is installed, install the side headphone cover, and finally put the bottom cover back in place.
Bluetooth headset can not be charged, you can operate like this:
1, the Bluetooth headset internal failure, such as battery or circuit damage, charging interface short circuit, etc. If it is for the above reasons, the headphones need to be sent for repair.
2, the charger or data cable has a problem, resulting in charging can not continue. Replace the matching charger or data cable to recharge.