If you have a Bose SoundLink Wireless Speaker and you are having problems connecting to the SoundLink Speaker, or the speaker won’t connect to a phone, the Bluetooth connection is unstable, try resetting the Speaker to factory settings using the following steps-
Note: This process will remove all previously connected devices from the Bose Soundlink or Bose Soundlink mini.
Bose Soundlink Reset
In the unfortunate even that your Bose speaker will not re-establish a connection, it may be time to replace it.
The software may need an update
First, check to see if the speaker is running the latest software version. To do this, go to Bose Software Update Center to check if your speaker is up to date.
Second, if the speaker is up to date, perform a reset on the speaker and the device.
Third, make sure you are connecting to the correct device in the Bluetooth menu.
If these steps do not help. You may want to head on over to the source. Bose makes all speaker instructions available on its support website.