It's for privacy purposes. The screen is simply black to where people can not see what you're doing as you use the phone. I use it all the time since I commute on the bus. I don't like to have my phone lit and all to where the person next to me can be sneeky and see what I'm doing. As far as the battery, not sure how to answer that, but I haven't noticed any significant changes. I use my iphone with brightness all the way down and auto brightness off since I don't need that to be on as I can't see it.


Regards, Feliciano
www.twitter.com/theblindman12v
-----Original Message----- From: Jose Lomeli
Sent: Sunday, June 29, 2014 8:53 PM
To: viphone@googlegroups.com
Cc: Jose Lomeli
Subject: Screen curtain!

Hello; Listers, I have a question! What is the screen curtain used for? Does it make the screen brightness lower like up to 0%? Does it waist the battery? Please let me know!

Jose Lomeli
Sent from my iPhone

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