How Do I Update the Firmware for A5 V2 Ultra?

Short Description:
Follow these steps to update the A5 V2 Ultra mouse firmware and receiver firmware in the correct order.

How do I update the firmware for A5 V2 Ultra?

Please follow the steps below to update your A5 V2 Ultra firmware.

1. Update the mouse firmware first:
   https://wwbuu.lanzoub.com/i9arN3i8chhg
2. Update the receiver firmware to the transitional version:
   https://wwbuu.lanzoub.com/isXYa3i8chqf
3. Update the receiver firmware to the latest version:
   https://wwbuu.lanzoub.com/i4N6E3i8chwb

Password: 0000

Important Notes

• Please update the firmware in the order listed above.
• Make sure you are using the firmware for A5 V2 Ultra only.
• Do not disconnect the mouse or receiver during the update.
• After the firmware update is complete, reconnect the mouse and receiver, then test the 2.4G connection.