LG Optimus L90 D415 Hard Reset Method.
- Switch the energy off
- Click and hold the Power Key + Volume Level Down Button on the mobile phone.
- Launch the Power only when the LG company logo is shown, then quickly click and hold the Power Button again.
- Release all keys when the Factory data reset display screen is shown.
- Simply click the Volume level Key to scroll to the desired choice, then click the Power Key to validate.
LG Optimus L90 D415 factory reset from selection menu
To reset your LG Optimus L90 D415 smartphone to factory settings and remove all the files on your mobile phone, touch Menu > Configurations > Data backup & reset > Factory data reset > Reset mobile phone.
Factory data reset – Reset your configurations to the factory default values and remove all your files. If you reset the mobile phone this way, you are prompted to re-enter the same details as to when you 1st started Android mobile phone.