What to do when Bluetooth or Wi-Fi connection is unstable on my Galaxy Z Flip?

Unlike ordinary smartphones, your Galaxy Z Flip is specially designed to fold downward. Based on this new form factor of the Samsung foldable device, you can hold the entire folded device with your hands and this can affect radio waves such as Bluetooth, Wi-Fi, and other networks. 

Do not attach metallic stickers on the antenna area (side with cover screen) of the device.

Do not attach a device cover made with metallic material to the device.
It is recommended that the user use the device with the product cover supplied to avoid direct contact with the antenna by hands. 

Step 1. Launch the Settings app.

Step 2. Tap Connections. 

Step 3. Turn on the Bluetooth switch to re-activate it.

In case you still face connectivity problems, please try the following to reset the network settings on your device. 

Step 1. Launch the Settings app.

Step 2. Tap General management menu.

Step 3. Tap Reset menu.

Step 4. Tap Reset network settings menu.

Step 5. Tap Reset settings button.