4G saves your battery. you could limit the speed through an app: http://www.phonearena.com/news/Bandwidth-Ruler-for-Android-lets-you-manage-your-internet-and-t

4G saves your battery. you could limit the speed through an app: http://www.phonearena.com/news/Bandwidth-Ruler-for-Android-lets-you-manage-your-internet-and-tethering-connections-with-custom-boosting-and-throttling_id73558 http://www.phonearena.com/news/Bandwidth-Ruler-for-Android-l...