Development has largely stalled, so you’ll likely be looking at older versions of Android (like Ice Cream Sandwich or Jelly Bean).
1. NITDroid / Project Mayhem (Android 4.0.3 Ice Cream Sandwich)
These platforms host updated repository links to fix the broken out-of-the-box internet functionality on MeeGo. nokia n9 custom rom link
Unplug the device and open the Terminal application directly on your phone.
Join the r/nokia subreddit or the Maemo.org Talk forums . Create a post asking for the current mirror for "Open Mode Kernel." The community there is small but very helpful and can usually provide a working MEGA or Google Drive link for the files you need. Development has largely stalled, so you’ll likely be
You need the official Nokia Flasher tool (specifically flasher for Harmattan) to push custom kernels to the device.
For true Linux enthusiasts who want a pure, debian-based mobile experience. Where to Find Valid Download Links Unplug the device and open the Terminal application
If you are looking to breathe new life into your Nokia N9, here is the current state of the "Custom ROM" scene and where to find the files.
Instead of replacing the OS, many users prefer flashing Community Edition (CE) firmware variants of the original MeeGo Harmattan. These come pre-loaded with modern root certificates, repository fixes, and performance tweaks. Where to Safely Find Nokia N9 ROM Links
Copy the Android system files to the necessary partitions. Step 3: Dual Booting
The spiritual home of Nokia’s Linux-based phones. The Maemo.org forums are still the best place to find archived downloads, flasher tools, and community-maintained repositories for the N9.