While reading some blogs & forums i have seen people are telling that huawei keyboard has been removed after lollipop 5.1.1 upgrade in huawei ascend mate 7. but actually it is not removed, they just changed some settings how you can choose which keyboard you will use. i have seen some users looking to downgrade to kitkat just because they cannot see huawei keyboard.

For all those users i will show you how you can bring back the huawei keyboard in Mate7 after lollipop upgrade.
1. Go in settings> Language & Input

2. On next screen tap on configure input methods.

3. On next screen turn on Huawei Swype option by sliding button to right side.

4. Press back button and you will huawei swype option in language settings, where you can change keyboard behavior & themes.

5. Go back to any messaging app to and longpress on space bar to change default input method & chose Huwaei Swype.

6. Done you have successfully enabled huawei keyboard .