How to factory reset E TEL I250? How to wipe all data in E TEL I250? How to bypass screen lock in E TEL I250? How to restore defaults in E TEL I250?
The following tutorial shows all method of master reset E TEL I250. Check out how to accomplish hard reset by hardware keys and Android 8.1 Oreo settings. As a result your E TEL I250 will be as new and your MediaTek MTK6580 core will run faster.