How does Xiaomi mobile phone close the system to update the mobile phone, and how to check the phone bill balance?

Does the system want to ask "How does Xiaomi mobile phone close the system update system"?

1. First turn on Xiaomi's mobile phone, click Enter Settings, and click Open My Device.

2. Secondly, click the MIUI version in the first column. After entering the system update page, click the three buttons in the upper right corner of the page, and then click Download Update Settings in the Settings option.

3. Finally, after entering the following interface, turn off the automatic download and intelligent update switch.