1. From the mobile phone desktop, click to enter [Settings], pull down, and click [System] in the last column.
2. Click [System Update].
3. After entering the page as shown below, click the three-dot icon in the upper right corner.
4. Click [Update Settings].
5. Then we click to turn off the [WLAN environment automatic download] switch, as shown in the figure below, it is turned off, so that the system will not automatically update.
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