Best Powerpoint screen dimensions for mobile

Any idea what the optimum screen dimensions should be set to in Powerpoint for mobile output in portrait mode?.

THe presentaion is for mobile phones only.

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Thank you for posting here!

Since mobile devices have different screens with multiple width/height values, it is rather difficult to suggest a specific dimension that will fit all of them:
http://99designs.com/designer-blog/wp-c ... evice1.jpg
http://cdn.cabotsolutions.com/wp-conten ... -cabot.jpg

I think the best thing at this point is to calculate the most common dimension and take it as a template.

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