1. Check whether Bluetooth is enabled on the Bluetooth settings of the iOS device:
![](/site/assets/files/1542/ios_1.png)
2. Check whether new Bluetooth connections are allowed in iOS device Bluetooth settings (Bluetooth icon in iOS Control Center menu should be colored blue):
![](/site/assets/files/1542/ios_2.png)
3. Check whether Aranet4 app allows access to Bluetooth connection:
![](/site/assets/files/1542/ios_3.png)