1. First turn off your call phone e5 pressing power key.
2. after turn off your device press and hold together volume down key + Power Key to turn on until show symphony logo on screen.
3. when show symphony logo on screen only release power key.
4. After that show android recovery menu than chose this option "wipe data / factory reset" use volume keys to scrolling and power key to confirm whole process.
5. than chose this "Yes -- delete all user data" again confirm it.
6. now you are last step chose "reboot system now" press the power key and wait few second device will be auto restart and solve your problem
done
2. after turn off your device press and hold together volume down key + Power Key to turn on until show symphony logo on screen.
3. when show symphony logo on screen only release power key.
4. After that show android recovery menu than chose this option "wipe data / factory reset" use volume keys to scrolling and power key to confirm whole process.
5. than chose this "Yes -- delete all user data" again confirm it.
6. now you are last step chose "reboot system now" press the power key and wait few second device will be auto restart and solve your problem
done
