Apple released a firmware update AirPods to solve the problem with a Bluetooth connection
Apple released a firmware update for AirPods — wireless headphones with built-in chip W1. Update index 3.7.2 is now available for download users device.
The new version should fix the detected problems and errors. According to the German resource Macerkopf.de the update resolves the issue associated with the loss of Bluetooth connection during phone calls.
To install the new firmware version, you must put the headphones in the charging case, to shut it down and connect the charger or the USB port on the computer. With this iPhone must be connected to the headphones and source Wi-Fi to download and install the update.
The smartphone should be near the case — otherwise the firmware will not boot. The whole upgrade process will take several minutes. At this time, headphones can be available for use.
Find out the current firmware version AirPods in the following way: go to “Settings” > “General” > “About phone” > AirPods (when headphones are connected to the smartphone).