BlackBerry OS 7.1 Upgrades Go to T-Mobile's BlackBerry Bold 9900, Torch 9810

T-Mobile subscribers who own either a BlackBerry Bold 9900 or a Torch 9810 can receive the BlackBerry OS 7.1 upgrade today.

The biggest feature found in the update is that both Wi-Fi calling and mobile hotspot support are now available on both handsets. The update brings a handful of other features and bug fixes.

To receive BlackBerry OS 7.1, users will have to download the update by going to Applications > All > Options > Device > Software Updates. The update may take up to two hours to complete and the phone will be inoperable during the upgrade. You can also download the update through a computer.

Here is the full report from T-Mobile concerning the BlackBerry OS 7.1 upgrade:

New Features
The new BlackBerry OS 7.1 has the following features.

• Wi-Fi Calling: Allows you to make calls over a Wi-Fi network. Does not support handoffs to cell network, so calls will drop when you leave the Wi-Fi coverage.
• Mobile HotSpot/USB tethering: Allows you to connect up to five devices to the internet through your BlackBerry device.
• Commercial Mobile Alert System (CMAS): A personalized emergency alert system designed to alert people of nearby threats or emergencies.
• BBM Music: A new feature that lets you download 50 tracks when you sign up and up to 25 tracks per month.
• Bing search: Device searches also use Bing to provide additional search results.
• BlackBerry Device Analyzer: Lets you perform diagnostic tests to check for errors or issues, which can help you resolve device problems without having to call Customer Care. Check out the What is the BlackBerry Device Analyzer to learn more.

Key Improvements
The new BlackBerry OS 7.1 provides the following improvements.

• Helps resolve JVM error 517
• Resolves audio issues
• Resolves issues with devices not indicating or taking a charge
• Improves random reboots or powering down
• Improves freezing, slow, no response, or hourglass issues