Amazon Kindle (Free 3G) Firmware 2.5.8

The features included in this update are:

- Collections: Organize your books, audiobooks, and personal documents into one or more collections. Subscriptions such as newspapers, magazines, and blogs cannot currently be added to collections on Kindle.

- PDF Pan and Zoom:

Zoom into PDFs and pan around to easily view small print and detailed tables or graphics.

- Password Protection:

Password protect your Kindle when you're not using it.

- More Font Sizes & Improved Clarity:

Enjoy two new larger font sizes and sharper fonts for an even more comfortable reading experience.

- Facebook & Twitter Posts:

Share meaningful book passages with friends on Facebook and Twitter directly from your Kindle.

- Popular Highlights:

See what the Kindle community thinks are the most interesting passages in the books you're reading.

NOTE:

- Your serial number will start with "B003"