现在的车载板是I.MX6DL 2+16G 系统是Android4.4.3 怎么制作Android系统的update升级包，将Android系统4.4.3升级到7.1？
你好，
会不会影响现有已经匹配好的屏参等信息？有没有更详细的升级教程？
Hello,
there is no tutorial from NXP, and I think yes it affect all the resources since android 8 has too much changes between version.
Regards
You can note create an upgrade application since android 4 is out of support even android 7 too.
regards
