Troubleshooting iPhone software/firmware 1.1.1

While we've extensively covered issues with disablement of third-party native applications, unlock issues and undocumented improvements with the iPhone 1.1.1 software/firmware update, there are a number of issues afflicing vanilla, unhacked, AT&T locked iPhones that were upgraded from firmware/software revision 1.0.2. Note that if you are experiencing dire issues or want third-party applicaitons back, you can downgrade to version 1.0.2.

Among the issues users are experiencing:

• Update not shown in iTunes
• Sync problems: "Unable to read from or write to"
• Incorrect SIM message
• Battery life issues

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