No luck.
no details what this mean.
Probably he works in MBIM mode as default and your ros6 not detect it.
Upgrade your RouterOS to v7 beta and you discover lte1 interface.
Then you can change mode to ECP is you want use it with RouterOS v6.
Read more at: Quectel EP06-E and wAP R ac (RBwAPGR-5HacD2HnD)