Updating software adds new features or improves performance of the device during usage.
Here's how to update software on Huawei MediaPad T3 7 2017 for latest version following these instructions:
Step 1: Go to 'Settings' and select 'System Update'.

Choose 'System Update'.
Step 2: Select 'Check for Update'.

Select 'Check for Update'.
Your setup process is now complete. Wishing you all success!