How To Hard Reset Nokia N900 Jun 2026

Open the program on your PC (usually via Command Prompt). Hold the "U" key on the N900’s physical keyboard.

A hard reset will erase all your data, contacts, applications, and settings, returning the phone to the exact state it was when you unboxed it. Back up your files via USB Mass Storage mode before proceeding if the device still turns on. How to Hard Reset NOKIA N900

If your N900 boots but is unstable, and you have root access via SSH or X Terminal, you can execute an extreme reset using Linux commands. This is faster than flashing. Open the program on your PC (usually via Command Prompt)

Repeat the process but with a different file and command: Back up your files via USB Mass Storage

flasher-3.5 -F RX-51_....bin -f -R

This wipes the /home/user directory, removes installed applications, and resets system settings to default. It preserves the root filesystem integrity.