How to factory reset CELKON Astro? How to wipe all data in CELKON Astro? How to bypass screen lock in CELKON Astro? How to restore defaults in CELKON Astro?
The following tutorial shows all method of master reset CELKON Astro. Check out how to accomplish hard reset by hardware keys and Android 5.1 Lollipop settings. As a result your CELKON Astro will be as new and your Spreadtrum SC7731C core will run faster.