Upgrading from to Android 9.0 (Pie) is a significant jump across five major generations of software. Because Android 4.4.2 is no longer supported by Google, an official over-the-air (OTA) update to version 9.0 is highly unlikely for devices from that era. Methods for Upgrading 1. Official System Update (Check First)
Popular projects like or Resurrection Remix often build modern Android versions for old devices. By replacing the factory operating system with a custom one, you can force the hardware to run newer software. upgrade android 4.4.2 to 9.0
However, if you have a compatible device and want to manually install Android 9.0, here is the general guide using a custom ROM (like LineageOS). Android 4
Tools like TWRP are needed to flash the new operating system. 3. Risks to Consider Official System Update (Check First) 3