Nokia today released a new firmware for the E52. According to ZomgItsCJ, this new update to version 051.018 brings the following changes:

Data package content, Changelog, corrections or changes :
Updates:

• Browser upgrade into 7.2.6
• Cherry updated to version 2.1
• Freestyle Baseline 3.0 (latest version) update
• QuickOffice upgrade into 6.2.439
• New languages introduced, Office 2007 compatibility
• OVI Music client Inc9Br5 update
• Music 3.0: full album purchase, PIN less activation
• Lotus Notes Traveller 8.5.1 update
• My Nokia update
• OVI Store 1.6 update
• OVI Sync 2.0 update
• OVI Files widget 1.2.3.0 update

Removals:

• Windows Live removal

CHANGES AND IMPROVEMENTS:

• New chat functionalities for the users
• Microsoft Office Communicator added to vanilla SW UDA content
• Nokia Messaging for Instant Messaging / Nokia Chat 2.0 added to vanilla SW UDA

Content:

• Improved Email, Calendar and Contacts experience
• Performance improvements
• Stability and usability improvements
• No changes to vanilla memory cards
• HW Specific change:
• PR3.0 includes SW Support for Rapuyama 1.13 (previously Rapuyama 1.11 supported).

The phone main processor version is going to change. This component needs the software update because of component ID’s are determined in software.

• There are no electrical changes which can effect to RF performance or normal customer use.
• This HW change will be implemented for production during P2 period in 2011. Next

Maintenance release PR4.0 is going to be mandatory update.

• Altogether 450+ errors are fixed.

New Feature :

• Microsoft Office Communicator 1.7 integrated
• Nokia Messaging for Instant Messaging / Nokia Chat 2.0 integrated
• Bloomberg added

And this is the ‘changelog’ that Nokia released:

This software release comes with Microsoft Office Communicator 1.7 and Nokia Chat 2.0, bringing new chat features to your device. This release includes a number of usability and performance improvements, including updated browser, updated QuickOffice with Office 2007 support, and a new version of Lotus Notes Traveler. Many of the Ovi applications, including Ovi Music, Ovi Store, and Ovi Files, have been updated. There are also improvements to the e-mail, calendar,and Contacts applications. To get this software through your device, select Applications > Software Update, and choose the software you want to update. Alternatively, this software release is available through the Nokia Software Updater.

There’s no need to make a back up of your system before updating since of the UDP feature the E-series has.