Help with DM800HD PVR

[Law07]

I have a DM800HD PVR with the following
Enigma 2: ramiMAHER experimental
Image: Experimental 2010-06-06
How do I find if this is SIM2 or not and which image can I upgrade to

[potrobber]

I have a DM800HD PVR with the following
Enigma 2: ramiMAHER experimental
Image: Experimental 2010-06-06
How do I find if this is SIM2 or not and which image can I upgrade to

remove the power cable from rear then hold in the power button on front panel and insert the power cable at back while still holding button in until it says stop, it will appear on the front screen sim type and bootloader

[Law07]

Thanks will check it out