Upgrade Android 4.4.2 To 9.0 Jun 2026

But if you love the thrill of breathing new life into old tech, grab your USB cable, unlock that bootloader, and flash away. Welcome to Pie.

| Requirement | Details | |-------------|---------| | Compatible device | Popular phones (e.g., Galaxy S4, Nexus 5, OnePlus One) have active communities | | Unlocked bootloader | Required to flash custom software | | Custom recovery | TWRP (Team Win Recovery Project) | | PC with ADB/Fastboot | To send commands to your phone | | LineageOS 16.0 ROM | Specific to your exact device model | upgrade android 4.4.2 to 9.0