Install the specific USB drivers for your phone manufacturer on your computer.
is rarely possible through official settings because most hardware from that era (circa 2013) lacks the processing power and memory required for modern operating systems. The "Standard" Update Path
Incorrectly flashing software can permanently disable your device. upgrade android 4.4.2 to 9.0
Swipe the slider at the bottom to confirm the wipe. Do not reboot your phone yet, as it currently has no operating system installed. 7. Install Android 9.0 and GApps Now you will transfer and install the new software files.
What is the of the device you're trying to upgrade? Knowing this will help determine if a stable ROM actually exists for it. Check and update your Android version - Google Help Install the specific USB drivers for your phone
: While Android 9 is newer than 4.4, it is also technically "End of Life" as of August 2023 and no longer receives official Google security patches. Voided Warranty
Boot back into TWRP recovery, perform another factory reset/wipe, and re-flash the ROM file. Ensure you did not accidentally download a ROM intended for a different device model. Swipe the slider at the bottom to confirm the wipe
This method is for advanced users only, as it involves flashing a custom ROM, which can potentially brick your device.