Modifying system software voids any remaining manufacturer warranties.
The upgrade process requires a complete wipe of your device’s internal storage. upgrade android 4.4.2 to 9.0
Upgrading an older device from Android 4.4.2 (KitKat) directly to Android 9.0 (Pie) is a massive leap. KitKat was released in 2013, while Android 9 debuted in 2018. This transition introduces a completely modern interface, vastly improved security, and compatibility with modern apps. vastly improved security
Modifying your device's core software carries inherent risks. Proceed with caution. choose Android 9.0
Custom ROMs do not come with Google apps due to licensing rules. Visit the OpenGApps website, select your processor architecture (usually ARM for older devices), choose Android 9.0, and select the Pico or Nano package.