Here is a website that will show you with pictures how to factory reset your phone. When you do this everything will be erased. Please back up all your important information.
http://www.hardreset.info/devices/huawei/huawei-ascend-plus-h881c/
1.First, turn off the phone by using the Power button.
2.Press and hold Volume Up and Power key for a couple of seconds.
3.When you see an android logo release held keys.
4.Press Volume Down to choose "wipe data/factory reset", and then push the Power button to confirm.
5.Select "Yes--delete all user data".
Jim