Version 4.4.2 specifically was a maintenance update that fixed bugs and improved the overall stability of the OS. For many older devices, this was the peak operating system version before heavier updates slowed them down.
Recovery cannot read your internal storage partition. Solution: Android Kitkat Version 4.4 2 Download Zip File
If your device is older than 2013, it probably maxes out at 4.1 or 4.2 – 4.4.2 may not exist for it. Version 4
Installing a system-level zip file is a high-stakes process. Before you start: consider these alternatives:
If you just want to Android 4.4.2 without risking a hardware brick, consider these alternatives: