Huawei Ascend Y200 hard reset using buttons1. Turn off your Android Huawei Y200 U8655 phone or pull out battery and reinsert is after a fews seconds.
2. Press and hold both Volume UP + POWER buttons for about 15 sec. until Andorid recovery menu comes up.
3. Select Factory reset /wipe data. (scroll down with VOL down.)
4. Select with power.
5. Scroll down to Yes -- delete all user data. Press power to confirm.
After all is done press power to reboot system now.
After data wipe has completed you are done. reset Huawei U8655 done.
If your phone is responding to screen input, then open Settings from the Applications menu. Tap Backup & reset > Factory data reset; click Reset phone and then Erase everything to format your phone.