Mediapad X1 70 Update Lollipop Install — Huawei
You need a file typically named update.app or a zip archive containing the Lollipop firmware. Search specifically for the build number corresponding to your region (e.g., B### versions). XDA Developers forums are the most reliable repository for these legacy files. Look for firmware labeled "Android 5.0" or "Lollipop" specifically for the 701L or 701u.
Huawei released the Lollipop update (EMUI 3.1) primarily for the Chinese and European variants. You will need to locate the "Update.app" file. huawei mediapad x1 70 update lollipop install