Stealth 253 was AU on Digi TV, 1W, and Polast, 13E, but it has gone down again.
With either Stealth file you can currently open the following packages:
Premiere 19E, Polsat 13E and Digi TV 1W.
To open Premiere go into the Cam menu, configuration folder, and ensure Emulators is ON and N2 AU is on, then tune your receiver to a channel like Premiere 1, you should then get the message insert smartcard, keys have expired, then it should open within 5 minutes.
After it opens go back into the cams menu, configuration folder and turn N2 AU OFF.
To get Polsat and Digi TV you need to manually update the keys.
Get the latest keys then go into the cams menu, and enter the following sections:
Keys
List Keys Edit
Nagravision 2
Provider e.g. 002111 RSC Digi TV
enter the kwy that requires updating, Key 86 = Key 00, Key 96 - Key 01.
Ebter the key and select how you want to update them, Decimal is usually quicker.
Enter the new key and exit the menu.