X96MAX_V311R_P i do not think that is stock firmware. You are the only person i have ever seen post that.
I have no idea what the R_P stands for but i have never seen a stock firmware with that in it.
You may want to load a stock firmware then try the slimbox pom again.
I can confirm that the Wireless and Bluetooth both work on my X96Max Plus2 boxes,
I did not test Wireless and Bluetooth on my X96Max, i think i did connect my Bluetooth speaker but not sure it was the x96max box, as that was my old box, first one i test slimbox on, then went right to loading my 3 new Max Plus2 boxes, been using them every since the X96Max is on the shelf..
EDIT:
I read at 4pda site the following on how to tell what version you have, you have to remove the bottom of the box and look at the board and it has one of the following labels
Open the console and look at the markings on the board next to the processor.
Example
Old revision with 2 GB of RAM
Q5X2 V1.0 18482
Q5X2 V1.5 19023
Q5X2 V2.0 18375
Q5X2 V4.0 18472
Old revision with 4 GB of RAM
Q5X2 V3.0 18395
Q5X2 V5.0 18483
Q5X2 V5.5 19015 > This is the one i have Rainey
Q5X2 V7.0 19133
New revision with 4 GB of RAM
Q5X2 LP3 19215
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