Make sure your device is powered off before you continue.
Rubbing alcohol can corrode the metal, so use it sparingly. You may want to let it sit and dry for a few minutes before putting it back in the jack.
Wait at least an hour before powering your device back on.
A toothpick can also be used, but the pointed ends can also scratch the jack’s interior. Needles are useful for reaching lint and large debris but can easily scratch the jack. Only use a needle as a last resort.
After cleaning out the headphone jack with a taped paperclip, you may want to clean it out with a cotton swab, just for good measure.
This can be useful for removing any corroded metal or rust that has accumulated on the inside of your headphone jack. Make sure your device is turned off before inserting a brush or anything dipped in alcohol.
Be sure to wait at least an hour before powering your device back on.
