T90 upgrade problem

scarsaus

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1
I have a T90 but i cannot uipgrade my firmware (1.0.14).
I always have "Invalid Software" or other errors and the file was not applied!

in the bottom chassis sticker I can see OPTICUM HD T90
but in MENU->INFORMATION, I found:

Hardware Version HD N2-3 v.1 2011-2-10
Software Version v.1.0.14 2013-4-5 12:57:42
UNI_RETA_NO_PVR


https://drive.google.com/open?id=0B64vd185on9YSUU2TGpTTlg4Qjd0WmVXbjR3Zm96dXR4aWRv&authuser=0

Which firmware can I apply?
I tried to download a lot of ".abs" but I always have the same errore "Software Invalid"....

Can I reset it to a very basic original firmware?

PS: i copy the single file .abs in my USB pen drive root (not empty, there are other software too) and I select start in the upgrade menu, it's OK?

Thank You!
 
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