We have seen an Android 4.3 Jelly Bean port running on a Samsung Galaxy S4 model i9505 in the past, but today its a whole different story. The test build of said update has been leaked for Samsung’s flagship smartphone. The test firmware build is said to be stable, a significant boost in performance is also claimed. Samsung Wallet and Samsung Knox security software is reportedly present in this update as well. Keep in mind that this is an unofficial release after all and it may or may not cause issues with your device, so flash only if you absolutely can not wait for Android 4.3 on Galaxy S4 and know that you’ll be responsible for your actions.
The official Android 4.3 release for Galaxy S4 is expected to take place later this month. Among other things, the update is also going to bring support for the Galaxy Gear smartwatch. It hasn’t been said by the source if this leaked test build of Android 4.3 brings Galaxy Gear compatibility as well. The build is said to be under “heavy development” right now, so its possible that Samsung might make a few more changes that aren’t currently present in this leaked build. If you wish to download the leaked Android 4.3 ROM for Galaxy S4 i9505, you can do so from the source.
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