The RG350 Rogue firmware seems to work on other devices than the RG350. This has been noted on the GitHub now.

So looks like RG have released this little device it is a RS90 in a RG300 shell which is a good thing because opendingux has been ported...

Meet the RG-280M since the 350M was such a popular device but a bit on the expensive side we now have the 280M i thinner sleeker shell...

So it was only a matter of time till the RG350P was released due to popularity and the cheaper price. Well now you can get your hands on...

RG351p uses RK3326 CPU, plastic case, dual rocker, dual speaker stereo speaker, dual OTG port, RL123, built-in WIFI, 3.5-inch 320x480ips...