Your iPhone Slowed Down. Here’s What to Do When the Solution Is Just as Slow.<br />For a sample, here’s a list of highly recommended repair shops in the United States that I compiled from talking to repair experts I trust:<br />■ In Chicago: uBreakiFix Chicago<br />■ In San Francisco: MacRepair<br />■ In New York: Simple Mac<br />■ In Boston: Mega Mobile Boston<br />■ In Washington: Computer Geeks<br />You can always replace an iPhone battery by yourself.<br />Plenty of irate Apple customers are turning to local third-party repair shops to get their iPhone batteries replaced.<br />Another issue is that if you service your phone with a third-party battery<br />and later take your device in to Apple for repair, the company could refuse to service your phone.<br />In response, Apple said customers could get their iPhone batteries replaced at its stores for a discounted price of $29, down from $79.<br />If you’re Best Buy and you get them to buy one item at cost, maybe you can teach them something about your business.”<br />Finding a good repair shop can feel daunting, but if you ask around, your peers will probably have recommendations.