New answers tagged iphone-4
To bypass a forgotten Restrictions password, you must restore the phone as a 'new phone' by connecting to iTunes, without restoring any backup. You must also make sure to remove the phone from iCloud before you sell it - https://support.apple.com/en-us/HT201351 otherwise the next owner will not be able to activate it.
You can wipe your iPhone with iTunes: Apple's support page Sometimes, it's also possible to recover the restrictions passcode, but that requires a lot of work. 2
I was facing the same issue. A restart fixed the problem.
I had the same issue. I used a broken paper clip to clean out junk that was stuck in the headphone jack.
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