After finding out that the new 8900 OS 4.6.1.231 is available I attempted to download the new software from www.tmobile.com/bbupgrade, however after putting in my phone number it would consistently timeout. I tried it last night and this morning using different browsers. I contacted T-Mobile customer service and they are having a network problem that is causing the timeout that is occurring. According to Customer Service the site should be back up later today. So I am waiting...