nuevo firm 6.20 de tio max

[sammy]

6.20
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N2 EMM improvements for smartcard

6.19
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New official release improvements
TPS AU
6.17
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TPS AU (read Speedy Handbook 0.5)
Bugs solved and other improvements
New official release improvements:
- Favourite channels lists can be saved to USB
- File types filter for USB upgrades
- EPG improvements
- Other improvements