So in an attempt to solve the browser UAstring issue for good, I downloaded a modified framework.apk. Now, I backed up the original one, but instead of renaming the new apk before placing it in the system folder, I placed it within the system folder along side the original. there I renamed it and deleted the original apk and now my xoom is in a bootloop. I cannot access ADB because the deivce is not in debug im assuming. any ideas would be great, thanks...