Last Updated: Nov 19, 2014
You may have this issue if your LG Viper™ 4G LTE:
Try each of these steps if your phone doesn't turn on.
Verify that your LG Viper 4G LTE has a sufficient charge.
Verify that your phone, charging port, and battery contacts are not damaged.
Caution: If your phone is damaged, do not complete the remaining steps in this guide. Make an appointment at a convenient Sprint Repair center.
Verify that you are using a compatible charger.
You risk severe damage to your phone if the charger isn't the same voltage, amps, and plug type as your original charger. You can purchase compatible chargers on sprint.com and at any Sprint Store.
Verify that your LG Viper 4G LTE can power on.
Verify that your LG Viper 4G LTE is running the most recent software.