The original Samsung Galaxy Note (GT-N7000) does not have an official Android 4.4.4 KitKat update from Samsung; the latest official firmware for this device is . To run Android 4.4.4, you must use a Custom ROM . Download Options (Custom ROMs)
Samsung Galaxy Note GT-N7000 officially peaked at Android 4.1.2 "Jelly Bean". There is no official Samsung firmware for Android 4.4.4; obtaining this version requires a custom ROM Firmware Report: Android 4.4.4 Status/Detail Official Version Android 4.1.2 (Latest official) Unofficial Version Android 4.4.4 (KitKat) via Custom ROMs Common ROMs AOGP 4.4.4 , OmniROM, C-ROM Required Tools Odin (for recovery), Custom Recovery (CWM or TWRP) Prerequisites Root access and a KitKat-compatible kernel/recovery Installation Overview
Avoid "SuperLite ROM" or "KitKat Extreme" from unknown forums. Many are repackaged with malware. Stick to XDA-Developers (forum.xda-developers.com) as your only source.