Manual Guide

Inside the Samsung Galaxy S4 SCH-R970, there is quad core 1.9GHz processor that works along with Android Jelly Bean 4.2.2 OS. The quad-core 1.9GHz processor is accompanied by 2GB RAM, PowerVR SGX 544MP3 GPU and Exynos 5 chipset. For the internal storage memory, this device has 16GB capacity with no other version (8/32GB). If you want larger space, get the expansion memory via microSD that is supported by the SGS4 up to 64GB storage.

This means you only need to charge the 2600mAh Lithium ion (3.8Volt) battery after you use it in 8 hours internet usage (3G/4G), but if you use it for voice data only you can get almost 17 hours (talktime). The stand by mode almost get the phone for 350 hours in 3G network. With the battery assembled in, the Galaxy S4 weights 4.59 ounces.