Here's a guide for you to root your Galaxy S5. This guide works for all Jelly Bean Android 4.3, KitKat Android 4.4.2, 4.4.4, and Lollipop Android 5.0, 5.0.1, and 5.0.2. For KitKat/Lollipop, make sure you use the updated CWM recovery instead. Currently this root guide is for Windows only.
For those of you looking to upgrade to the S6 , try the s6 Rom on your Galaxy S5. Every is working out of the box , including network, data, wifi. You also get a working camera. The s6 Rom is a good option for those of you looking for a change of Rom for your S5, the ROM is stabe and smooth . so can be easily used as a daily driver.
The Latest Version of MIUI i.e the MIUI 7 is now available for the Galaxy S4 . MIUI 7 was much awaited for the galaxy S4, and the wait was worth it. it is a very good ROM and works flawlessly but no bugs. Everything also works out of the box,incuding network,data,wifi etc..