How To Remove The Battery From A Samsung Galaxy S8. Unplug the charging head from the outlet and remove the USB cable from the device when. Remove the memory card.
Learn how to soft reset the battery on the Samsung Galaxy S8. Wait as the device restarts. This is a uni-body device with an internal battery that cannot be removed.
Charge your Samsung Galaxy S8 and battery case simultaneously.
Have replacement adhesive ready before you proceed or take care to avoid liquid exposure if you reassemble your phone without replacing the adhesive. Press and hold the Power and Volume down key for up to 45 seconds. To turn Power mode off tap Optimized. As soon as the glue is loosened you can take out the battery.

