Upon successful boot into Android 5.0 Lollipop, the user will notice significant UI changes due to the shift to Material Design and the removal of Huawei’s Emotion UI in favor of stock Android (if using a standard Custom ROM).
Since Huawei’s official legacy servers are often offline, your best bet is searching reputable archives like XDA Developers or the Huawei-File database. Step 2: Preparing the SD Card huawei mediapad x1 70 update lollipop install