"The Nokia 770 was released to some fanfare in the Linux world.
Unlike the Zaurus before it, or Pocket PC or Palm systems, the 770
does not offer personal information manager (PIM) functionality;
indeed, it does not provide particularly easy access to the
features that would be needed to make a PDA. Instead, it's pitched
as an 'Internet tablet,' providing applications such as a Web
browser and an e-mail client.
"Nokia recently released an update to the 770's software that
makes it a little more friendly to users who want to poke around on
the device. In earlier releases, it was necessary to enter research
and development (R&D) mode to obtain root access. Version 1.05
makes it possible to work around that more easily..."