Hard Reset LENOVO 503LV

First method:

  1. You should start by switching off the phone using the Power key.Hard Reset LENOVO 503LV
  2. Then press and hold the Volume Down and Power button for a few seconds.HardReset LENOVO 503LV
  3. You should release held keys when the exclamtion mark appears on the screen.Factory Reset LENOVO 503LV
  4. In the next step press the following sequence of buttons: Volume Up - > Volume Down - > Power - > Volume Down.
  5. Congratulations! The factory reset has just been performed.
See the Next method!

Hard Reset MICROSOFT Lumia 650 - How to Bypass Screen Lock Protection

How to Restore Your MICROSOFT Lumia 650 to Factory Settings - Windows Phone

WARNING !
Hard Reset will erase all of your data
All described operations you are doing at your own risk.

Help! This doesn't work