Select Install > choose the ROM zip file > Swipe to Confirm Flash .
Before attempting to upgrade your device, please note:
What is the of your phone or tablet (e.g., Samsung Galaxy S4 GT-I9500)? Are you already familiar with rooting or TWRP recovery ?
Upgrading your Android device from version 4.4.2 to 9.0 can breathe new life into your device, providing you with improved security, new features, and better performance. While the process may seem daunting, following the steps outlined in this guide can help you successfully upgrade your device. Always exercise caution and carefully research the upgrade process before attempting it.
To actually achieve this upgrade, you must use developed by the community.