Essentially, keeping Bluetooth enabled on your phone at all times opens you up to 4g Bluetoothpotential hacks, abuse, and privacy violations. The solution is simple: Don't use it. Or, if you must, make sure to turn it off as soon as you've unpaired from the device in question.
Bluetooth technology offers convenience - from hands-free phone calls to wireless 4g lte iotfile-sharing to playing music on a vehicle's speakers. But leaving your Bluetooth on all the time can be dangerous, and hackers are exploiting the technology to access private information, spread malicious software and more.
Bluetooth is a wireless technology that uses a radio frequency to share data over a 4g volteshort distance, eliminating the need for wires. You can use Bluetooth on your mobile device to share documents or to connect with other Bluetooth-enabled devices.
How can Bluetooth interfere with WiFi ? Both WiFi and Bluetooth may work on the same, 2.4 GHz frequency. Bluetooth is designed to work on 2.4 GHz and also most popular WiFi routers (e.g. TL-WR845N which I have) are configured to broadcast their signal on the same frequency by default.