ART, which you can read more about in our story from February, is a hot topic in the Android world. This future replacement for Dalvik is still in the testing phase, and it contains some bugs that may pop up here and there. Hopefully, in the next release of Android, ART will be as polished and stable as it needs to be.
As ART still has a few lingering issues with certain apps, a number of you may encounter some problems with bootloops after switching runtime compilers from the default Dalvik. When your device refuses to boot, you can do few things like restore a backup if you have one, or edit some files to revert to working settings. If you are not so handy good with messing with system files, you should take a look at a recovery-flashable ZIP by XDA Senior Member husen4u. When flashed, this archive changes the default runtime compiler and restores your ability to boot. Of course, your device doesn’t have to be soft-bricked to test out these scripts, as you can enable it on (almost) every device running KitKat. You just need to keep in mind that ART is still a work in progress, and some applications and devices may have some problems.
You can get the ZIP from the original thread._________
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