How to access older l4t releases from SDKManager

Hello,
I’d like to know how to expand the TARGET OPERATING SYSTEM list in the SDKManager in order to get older l4tversion (get 4.3.1 version to perform Auvidea J120 setup in accordance with the official instruction). The picture below shows my current available list.

Regards,
Glazoj

Not an answer for SDKM, but maybe you’re looking for :

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Hi jaglaz,

Please use the following command to install old version JetPack:
$ sdkmanager --archivedversions