I tried this trick with my HTC One Max 2 weeks ago. It gave really fast downloads from the web. Even in the area with poor reception. Awesome!
You may need to google to find instructions for your phone.
Speed Up Android: How to speed up Android like Apple did with iOS 7.1 | BGR
You may need to google to find instructions for your phone.
Speed Up Android: How to speed up Android like Apple did with iOS 7.1 | BGR