Back in July we exclusively showed you all the goodies that you’ll find come loaded in the BIS 4.1 rollout. RIM has now published a knowledge base article detailing a few of the features and enhancements.

BlackBerry Internet Service Email 4.1 released yesterday in the Asia Pacific region. It is scheduled to release in the European region on September 23, 2011 and North American regions on October 10, 2011.

BIS 4.1 introduces Message Improvements, Inbox Priming, BIS Account Management Updates, Carrier Admin Reporting, and additional language support.

Product Features:

Improved large email and native attachment support
Subscribers using BlackBerry Smartphone’s with BlackBerry® 7 installed can receive email messages that are up to 11MB in size, download attachments in their original format that are up to 8MB in size and view up to 300KB in an HTML email message

No interruption to email flow on SIM swap
Subscribers who insert a new SIM card in to their BlackBerry Smartphone, including SIM cards from a different wireless service provider, no longer experience email flow interruptions.

Inbox priming for new account integrations
When a subscriber adds an email address to a Smartphone, the inbox on the subscriber’s Smartphone is pre-populated with up to 20 existing email messages from the email account.

Support staff reporting tool
Using the BlackBerry Internet Service administration website, administrators can generate reports on support staff member accounts. Reports include user, group, and account information.

Additional language support
Latvian and Lithuanian are supported by the BlackBerry Internet Service. Emails received in these languages can now be viewed on BlackBerry smart phones.