Amazon’s Fire Smartphone has received a new firmware which adds new features along with bug fixes. This brings the Fire OS version number to 3.5.1 (111009920). The changes are as follows –

-Quick Switch – With a double-press on the home button, Quick Switch allows you to easily alternate between or shut down running apps and tasks.

-App Grid Collections – Create folders of apps or content right on the app grid.

-Carousel Pinning – Pin your favourite apps to the front of the home carousel.

-11 Frame Lenticular Photos – Create Lenticular photos using 11 still images instead of 3.

-Enhanced Carousel E-mail – Delete e-mails directly from the home screen.

-Improved Video Sharing – Share high-resolution videos via MMS or e-mail.

-Improved Battery Life – Dozens of system updates for enhanced battery performance.