How to factory reset ZTE Blade Spark? How to wipe all data in ZTE Blade Spark? How to bypass screen lock in ZTE Blade Spark? How to restore defaults in ZTE Blade Spark?
The following tutorial shows all method of master reset ZTE Blade Spark. Check out how to accomplish hard reset by hardware keys and Android 7.1 Nougat settings. As a result your ZTE Blade Spark will be as new and your Qualcomm Snapdragon 425 MSM8917 core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.