Specifications

iPhone 4 Symptom Charts — Software Issues 58
2012-02-21
2. Erase all content and settings.
Go to Settings > General >
Reset > Erase All Content and
Settings.
Warning: This will delete all
user data on the device.
Attempt to play known-good
media on device.
Does known-good media play
successfully?
Yes Issue resolved.
No Go to step 3.
3. Restore with iTunes.
Restore the device using
the latest version of iTunes.
If restore fails, attempt DFU
restore.
Attempt to play known-good
media on device.
Does known-good media play
successfully?
Yes Issue resolved.
No Determine if the issue is caused by
accidental damage. Refer to the Visual
Mechanical Inspection guidelines.
Other Software Issue
Deep Dive
Check Result Action
1. Verify whether any of the
troubleshooting ows apply to
the issue reported by the user.
Yes Jump to appropriate troubleshooting
ow.
No
Document reported failure and send
feedback to [e-mail]
stating that a suitable troubleshooting
ow wasn’t found.
Escalate through your usual channels
for further troubleshooting support.