Let us know about your experience with AOSP Android 6.0.1 custom ROM.
If successful, you must reboot the Galaxy S4 in Recovery mode.
Unplug the USB from the phone, install the driver and plug the cable back in again.
How to install Android 6.0.1 AOSP on Galaxy S4 I9505: Note: this tutorial is focused on Samsung Galaxy S4 I9505 please do not try this guide on other Android & Samsung devices.
Here is how to install Android 6.0.1 AOSP on Samsung Galaxy S4 LTE I9505. However, the ROM is still in the beta, which means some of the features might not work properly. The CyanogenMod team would like to thank everyone involved in helping with testing, coding, debugging & documenting Enjoy XDA:DevDB Information GearCMi95006.0.x Optimized CyanogenMod 13.
The custom ROM is fast, smooth and stable. Looking for a custom ROM that offers nothing but a pure Android experience on your Samsung Galaxy S4? AOSP Android 6.0.1 Marshmallow brings only the AOSP Android experience with no features overloading the system.