Learn how to use the task manager, view free space, and free up memory and storage on the LG Optimus L90 and SD card.





Transfer files

See SD card & device file transfer to transfer files between a device, SD card or computer.


Format SD card

  1. From any Home screen, tap the Menu key.
  2. Tap System settings.
  3. Scroll down to General,' and then tap Storage.
  4. Tap Erase SD card.
  5. Tap Erase SD card again.
    Note:If you set a pattern lock or password, you may need to enter it.
  6. Tap Erase everything to confirm.
  7. If necessary, take a picture in order to test the device. Many devices only take photos if a properly formatted SD card is inserted.


Insert / remove SD card

  1. Power the phone off.
  2. Remove the back cover using the notch located at the bottom of the phone.
  3. Insert the memory card into the slot with the gold contacts facing down.

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