v1.0.8

v1.1.6

v1.1.9

v1.2.0

v1.2.2

v1.2.3

1.4.1

1.5.0

1.5.1

2.0.0

2.2.0

2.2.1

KC908 basic firmware

(If you need to upgrade the firmware from version 2.2.0 onwards, please upgrade this base firmware first.

If this base firmware is already installed, there is no need to install it again for subsequent upgrades to higher versions)

2.3.0

2.3.2

2.3.3