If you are experiencing issues like freezes, lags or unresponsiveness with your Spring LG Viper, then you should consider either a soft or hard reset. lg viper hard reset to factory To perform a hard-reset.

  1.  Turn the power off.
  2.  Press and hold the following keys for at least 10 seconds: Volume Down Button + Power/Lock button.
  3.   Release these keys, when the power turns on.

To perform a soft-reset

  1. Tap HOME key> MENU key> Settings > Privacy > Factory data reset.
  2. If you are certain that you would like to restore all factory settings, tap Reset phone.
  3. You will then be prompted to enter your unlock Pattern, PIN, or Password if you configured one.
  4. Tap Erase everything to confirm.