This process carries risks. If done incorrectly, you could "brick" your device (render it unusable). Proceed at your own risk.
The Huawei MediaPad T1 8.0 Pro (often identified by model numbers such as S8-701u or S8-701w) was launched running or Android 4.4 KitKat out of the box, skinned with Huawei’s Emotion UI (EMUI). mediapad t1 8.0 pro android update
This voids your warranty (expired anyway), requires unlocking the bootloader, and carries a risk of bricking (turning your tablet into a paperweight). Proceed at your own risk. This process carries risks
Since you cannot update the OS, here is how to keep the tablet useful: The Huawei MediaPad T1 8
You cannot get Android 6+ on this tablet.
Based on LineageOS, RR offers thousands of customization options. If you want to change the status bar, add gestures, or tweak the animation scale, this is for you. Battery life is comparable to stock.