Have an iPhone 4, it's 14 months old and I've just upgraded to iOS5. Since then, the bluetooth will not stay on - I go in to settings>general>bluetooth and the icon comes on and it says searching for devices. When I go back to the homescreen the icon dissapears. My car or other iPhones cannot connect to it. I tried going in to airplane mode and turning everything off then back on and eventually done a restore all to no avail. I'm wondering if Apple will replace it under the SoGA. Let's face it a £600 phone should last more than 14 months.