Bluetooth headsets need to be discoverable for being detected by a BT scan. They are not skipped while Android is scanning nearby BT devices.
Rename a Bluetooth Device From the Settings
Once you forget a device, the phone will not show it in the list of devices on Bluetooth. To Unforget the device, you need to reset the network settings. To do that, open your phone's Settings and then scroll down to “System.” From the System tab, you will see “Reset Options” from where you should reset the phone.
Hidden Camera Detector/Finder It comes packed with useful features to easily detect microphones, cams, and other spy devices. Simple interface makes it one of the best apps for Android devices. It has magnetic field that easily detects electronic devices, particularly cameras.
Here are some steps to fix a problematic iPhone Bluetooth connection.
To unpair a Bluetooth accessory, tap Settings > Bluetooth, find the device you want to unpair, and tap the info button , then Forget this Device. This will remove the accessory from the list of available Bluetooth devices.
Pair a Bluetooth headphone, car kit, game controller, or other device
To connect devices to your iPhone via Bluetooth, On your iPhone, go to Settings→Bluetooth and tap the Bluetooth button on. The Bluetooth screen opens. Tapping On makes your iPhone discoverable, which means other devices with Bluetooth turned on can see your iPhone.
WiFi and Bluetooth are joined with Bluetooth scanning for accurate location identification. The Android 4 software. In Android 3.0, Wi-Fi was introduced as being automatically connected where, even if you turned it off, your device and apps remained connected to WiFi networks to determine the accuracy of your location.
Bluetooth is the invisible glue that binds devices together. Which means that when it has bugs, it affects everything from iPhones and Android devices to scooters and even physical authentication keys used to secure other accounts.
Android has a feature called "nearby device scanning" so even if you turn off bluetooth, apps can still do BLE. I suspect stuff like this, where many many apps can spy on you on behalf of others, is why Google made BT access a Location category.
Helpful answers. The bluetooth specification allows up to seven devices to connect, but it's not straightforward, as it is dependent on the type of device and the service profile it provides.
Rename a Bluetooth Device From the Settings
You can now check whether the forgotten device has come back. Press your iPhone's Home button and open Settings >> Bluetooth. You can see a list of devices that have previously connected to your device, including the one you forgot.