How To Do Activation
Step 1 Plug A3 into the port of the 5V charger, then A3 indicator will stay red.
Step 2 Connect A3 to the mobile phone via USB cable(as following picture shows).
Step 3 If the connection is completed, the on-screen will read “Allow USB debugging?”; click “OK”, and A3 will flash in green and be activated.
Step 4 When the activation is completed, A3 indicator will stay half-red and half-green, and GameSir World App will read “Mapping starts successfully”, then A3 can be removed.
Step 5 After Mapping activated, you can connect controllers to the mobile phone via GameSir World App.