Let's take the vivo x6s phone as an example.
1. Open the browser in the mobile phone, search for the official website of your mobile phone, such as \"vivo official website\
2. In the upper left corner of the three horizontal icon, tap, enter the phone model, and search.
3. Find the phone model from the search result, open it, and then find \"Specifications\
1. First, click the Tencent mobile Butler app on the mobile desktop.
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2. Then click the Personal menu icon at the top left of the screen.
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3. Then find the hardware Info option and click on it.
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4. After entering, you can query the Bluetooth version of the mobile phone.