Should I update my iPhone to iOS 6.1.3?

I have an iPhone 3GS and iOS 6.0.1. I'm thinking about updating my iPhone to iOS 6.1.3, but I heard that on this iOS are some battery life problems. So I would to know if I should update my iPhone or should stay with iOS 6.0.1.

It's been fine on my 4S. No problems to report.

Well on a 3GS it will be very slow

No battery life issues for me. On the contrary iOS 6.0.1 & 6.0.2 were considered the battery life drainers.

Every OS update seems to take a toll on my iPod Touch 3, so I see no reason why the same shouldn't be true for iPhpnes. However, many apps require 6.1.It really depends on what you want.

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