Upgrade Procedure Posted on 2021-04-22 Edited on 2021-04-24 In EV , Mecaprom Views: 3.6k 3 mins. A very detailed procedure for upgrade the software on vehicle. Hey, password is required here. Post author: Carlo Han Post link: http://www.niceying.com/posts/14089/ Copyright Notice: All articles in this blog are licensed under BY-NC-SA，please indicate the source if reprinted.