Steps to check and update the firmware of SXFI AMP:
1: Plug in SFXI AMP to mobile phone
2: Launch SFXI App
3: Tap on MENU (located on the top left corner)
4: Tap OK when you see "Allow the app SXFI App to access the USB devices?" message box
If the firmware version is the latest, no message box will popup.
If a newer firmware version is available, a message box will pop up with the following message:
New Firmware Available
There is a new firmware version 1.xx.xx available
5: Tap on UPDATE
WHEN THE LED IS BLINKING RED, DO NOT DISCONNECT YOUR SXFI AMP, EVEN IF THE STATUS BAR SHOWS 100%.