Learn how to insert, remove or soft reset the battery on the LG Optimus L90.




Insert / Remove

  • Power the phone off.
  • Use the fingertip cutout to remove the back cover.

  • Insert or remove the battery.
  • To insert, align the metal contacts on the battery with the battery compartment and press the battery down until it clicks into place.

  • Replace the back cover.
  • Place the back cover over the battery compartment.
  • Press the cover downwards until it clicks into place.


Soft reset

If you need to remove and re-insert the battery to soft reset the device, follow these steps:

Press and hold the Power button for 10-15 seconds until the device resets.