My phone turned off by itself today while it was in my pocket, here are some information. The phone is also not rooted, no launchers have been used, and is currently using TouchWiz. Purchased from AT&T Premier website on August 27th 2010 Delivered to me September 1st 2010 Manufacturing Date - August 2nd 2010 Battery Manufacturing Date - Not checked Apps installed before shutoff experience: Dictionary.com Fandango Movies The Moron Test Lite WordUp Google Voice Speedtest.net Barcode Scanner Ninja Kaka - Fruit Dojo Drop Block DEMO Hella Umbrella Beta PapiJump Jewels Unblock Me FREE Smooth Calendar GPS Test 1 Day/Night before I experienced the shutoff, the following were installed: - Used my own wallpaper jpeg instead of one from the Captivate's stock wallpaper folder - Beautiful Widgets - AppBrain App Market - Fast Web Installer - Angry Birds Lite Beta (APK FILE, USED ANDROID CENTRAL'S SIDELOADER MACHINE) - Paper Toss I've had my phone for exactly 1 week, and after reading all the horror stories of people experiencing the random shut offs, I thought I was lucky up until now. I love this phone a lot despite the obvious GPS issues. Does anyone have any idea on what may be causing this? Hardware or Software issue? I would hate to exchange it for another with AT&T since I've become so attached to it.