How to upgrade DS1.5 to DS4.0 based on TX2

Hi,
I’m now using deepstream 1.5 on TX2 ubuntu 16.04 ,I want to upgrade it to deepstream4.0.
Can provide the steps to me?

Hi 15822004929,

For DeepStream-4.0, you need install JetPack-4.2.1 on TX2.
Please refer this topic: https://devtalk.nvidia.com/default/topic/1057880/deepstream-sdk/announcing-deepstream-sdk-4-0/