Galaxy S3 and Nexus 5 owners looking for custom ROMs should check out OmniROM and CyanogenMod 11, respectively, which bring Android 4.4 KitKat experiences to the handsets.
The Galaxy S3’s official Android 4.3 update is not going so well, as many handset owners complained about various performance and battery issues observed after the software upgrade. But there’s already a KitKat-based OmniROM test firmware available for them to try out on last year’s best-selling Android handset.
The OmniROM 4.4 build for the Galaxy S3 is described as “highly functional” on the Galaxy S3 on the xda-developers blog, although it’s still a test build. In order to try it out, you should have a Galaxy S3 I9300 model, and check out the Source links below.
The Nexus 5 already runs a fully functional, official KitKat version, but if you want to try CyanogeMod 11 (based on KitKat) you can do so. The CM11 build for the Nexus 5 is an unofficial release, which is also available on the xda-developers forum.
That said, we’ll remind you that we’re not encouraging you to install custom ROMs on your devices, and we won’t be held responsible for whatever happens with your devices during such procedures.
In case you plan to try out either OmniROM 4.4 for the Galaxy S3 or the CM11 test firmware for the Nexus 5, make sure you back up everything and closely follow the instructions.