N900 not updating
This is the more difficult than using 770Flasher, but gives you access to the advanced options flasher-3.5 provides (like setting R&D flags, flashing only parts of the image, unpacking the image, etc).
These steps cover flashing the device with OS X using the Terminal.
This page is not exactly a step-by-step instruction, so better read the whole page prior to starting the flashing process.
While talking about flashing, there are exactly two distinct processes and related files (also called images) frequently mentioned: Often people use the term "firmware" for either or both of those images. Flashing the rootfs on your N900 will reset the device's linux system back to factory settings, meaning all additional applications will vanish, and some configuration details (e.g.
I will be **bleep** if what that means that I need to install some stupid windows application just to update my linux phone.