So your out of warranty iPhone has a busted headphone jack. If you'd rather fix it on your own instead of buying a new iPhone, you've come to the right place.
The symptoms of a broken headphone jack are similar in all models, and can include audio cutting in and out or no audio at all. In some cases, loud speaker audio won't work because your iPhone thinks headphones are plugged in when they're really not.
If any of these issues sound like something you've experienced, we'll walk you step by step through the repair process. We'll also link you to all the parts and tools you'll need to get the job done right the first time. The difficulty of a headphone jack replacement will depend on the iPhone model, but if you're up for the challenge, follow along, find your model, and let's get started!
Full story from the iMore Blog...