iPhone error 2002 is an error that usually occurs when you have an outdated iTunes firmware.
Some of the solutions to this error include running an anti-virus and performing a clean boot.
Please see our in-depth walk-through solutions below.
Solution 1. Run an anti-virus
A malicious software might be running on your computer which is secretly using or accessing your iPhone that is why error 2002 appears. You might want to scan your computer using an updated anti-virus.
Solution 2. Perform a clean boot
iPhone error 2002 may also occur when iTunes cannot connect to the device because a program is already using/ connected to it or the device is disconnected during the Apple Server check. You may want to disable all third-party programs that run on Windows/ Mac upon startup. Please use the steps below to disable the third-party programs.
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For OS X