Get a small performance bump on Android by enabling ART runtime (Work on Galaxy S5)

Google on Wednesday announced an update to the Android operating system at its I/O developer conference in San Francisco. The latest version, code-named Android L, includes a revamped notification system, an updated user interface, smarter unlock features, and a new battery-saving mode. One of the performance improvement promise by Android L is by moving away from the old Dalvik runtime to the newer and faster ART. Google introduced ART in 2013 with the Nexus 5 and Android 4.4 KitKat, which means your device must be running KitKat for this process, I tried this on my Galaxy S5 (AT&T) and it worked like a charm.

First: Enable Developers Options 

Go to Settings> About Phone > and click on build number seven times. This will enable your device's Developer options, which will give you access to more advanced settings

Second: Switch your runtime from Dalvik to ART 

Go to Settings > Developer options >  Select runtime > Switch to ART. (Make sure you have more than 50% battery, the switching process take a lot of processing power, you phone will not only suck about 20% of your current battery but it will get really hot)

After rebooting, your device will begin to optimize your apps for the new runtime. This should take a few minutes, but when complete you will notice a considerable performance boost on most devices.

I should warn you, though, that some (and I mean very few) apps may be incompatible with the ART runtime. If one of the apps you use is unable to open or you are having trouble receiving a software update, simply switch back to Dalvik mode using the same process


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