Convert Pansat 2500 To 2700

[BIGIN129]

I Have Been Out Of Game For Sometime. I Have Pansat 2500 A.
I Need Info To Convert To 2700, How Does It Work, Does Same Remote Control Converted Box? Please Advise Steps/how To.

Also, Possible Looking At New Hd Box, Which One Is The Best.

Thanks,
Bigin129