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KC901V/M Firmware
KC901Q Firmware
KC901S+/C+ Firmware
KC908 Firmware

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

2.5.0

(Due to the change of authorization algorithm, after this upgrade, the authorization code of the original authorized DMR and PDT options will be invalid, and the options will be closed and need to be authorized again.

After upgrading this version, if you want to downgrade to the past version, please make sure to perform “Restore Factory Settings” (FUNC-System Settings-Restore Factory Settings) first, otherwise it may lead to software failure that needs to be returned to the factory.)

2.5.1

 3.0.0(beta)