How to activate AXIS vouchers via USSD 1. Open the Telephone/Call menu. 2. Type *123*(16 digit code)#. 3. Click YES/OK. 4. Wait for the AXIS voucher notification to arrive. How to activate AXIS vouchers via the MyAXIS application 1. Download the MyAXIS application on Google Play Store or Apps Store. 2. Login or register. 3. Click the Aigo Contents menu. 4. Enter the 16 digit secret code. 5. Click Next. 6. Wait for the AXIS voucher filling process to be successful.