It looks like many users with the Samsung Galaxy SIII (S3) on Sprint are receiving a relatively large -- about 157MB -- OTA update on their devices. Grant, who sent us the above screenshot, notes that this is a Samsung software update and not a regular firmware update. Sprint's support pages indicate that the update to software version L710VPMA6 brings updates to the voicemail app, adds SMS features and fixes calendar sync issues. Users in the forums have also reported that it fixes a security exploit.
Sprint users have yet to see the update that would bring Samsung's premium suite to the device, and will have to wait a bit longer as this update doesn't have it included. Has your device pulled down the update yet? Let us know here and in the forums what changes you're seeing after the install.