God, viper look at the big picture - you are working on a pointless type for a low pay cargo set up.Don't worry about an upgrade, worry about getting out and where might have you ?
All your 20T TP time is worthless to a heavy jet operator, I struggle to see what ME airline would even contemplate you as an FO.
Or would you rather have HSBC put 'Captain' on your chequebook, are you one of those ?