Samsung released two versions of the Galaxy S4. Samsung Galaxy S4 I9500 is the octa core version. It has great specifications – Quad-core 1.6 GHz Cortex-A15 & quad-core 1.2 GHz Cortex-A7 processor, Adreno 320 GPU, 2 GB RAM, 5″ Full HD Super AMOLED screen, 13 MP rear camera, 2 MP front camera, 2600 mAh removable battery and 16/32/64 GB internal storage which is expandable upto 64 GB.
Many mods are available for this device. XDA member Tamerlan2009 has been able to port the One-Handed Mode of Galaxy Note 3 to Galaxy S4 i9500. All features of the One-Handed mode work as they should, including scale and position adjustment for all screens, the keyboard, the lock screen, and Hand-Adaptive mode. Follow the tutorial given below to install it on your device.