Oppo How to Turn On/Off Bluetooth
Oppo 2087
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 Oppo-Smartphone can connect to other devices via Bluetooth to transmit (send and receive) data.
The Oppo-Smartphone has Bluetooth enabled by default, but if it is rarely used, it is recommended to disable Bluetooth to save battery power.
 Android 11 | ColorOS 11.0   
 
   
   
   - Tap on Settings
 - Tap on Bluetooth
 - Enable or disable Bluetooth