Upgrading from Android 4.4.2 KitKat (released 2014) to Android 9.0 Pie (released 2018) is a massive jump that cannot be done through standard software updates. Because manufacturers stopped supporting most KitKat-era devices years ago, the only way to achieve this is by installing a (like LineageOS) .
Android 9.0 requires more RAM and processing power than 4.4.2. Devices with less than 2GB of RAM may perform very poorly on newer versions. Security Support: upgrade android 4.4.2 to 9.0
The question is inevitable:
: If successful, the device reboots. The old KitKat logo vanishes, replaced by the minimalist, white-and-pastel aesthetic of Pie. The Reality Check Upgrading from Android 4
First, verify if your manufacturer released an official update. Most devices from the KitKat era (circa 2013-2014) stopped receiving updates at Android 5.0 or 6.0. Go to Settings > System > Software update . Samsung: Check Settings > About device > Software update . Devices with less than 2GB of RAM may
After upgrading your device: