As title, for the developer whose English is not good, I translate the jetson_agx_xavier_developer_kit_user_guide to Chinese. For the Chinese developer, maybe Chinese is more convenient, however, I suggest you to learn how to read the English one, cause English reading is basic skill and there may some translation error in the Chinese version.
If you find an error in the Chinese version, please tell me and I will change it.
The Chinese version download link
And the blog I give to flash Xavier is