Cool tips for iphone 4s ;)

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In this video, i've given 10 cool features of iPhone 4S that its users might not know. These features equally go good for higher models.
This video includes answer to questions:
How to undo/redo text in iphone 4s?
How to use built-in offline dictionary in iphone 4s?
How to play RUclips videos in the background?
How to use multi finger gestures in iphone?
Where to use gestures in iphone?
How to Switch off iphone with broken power button?
How to Switch off iphone 4S when power button isn't working?
How to Switch on iphone 4S with broken power button?
How to Switch on iphone when power button isn't working?
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[@shrijapokharel3961]

Thankful for this info

[@RewatBhattarai-h5b]

Informative

[@ShrutikaPokharel]

Great!!

[@Chan_Plays321]

Nice