Macworld When smartphones get too hot they start to misbehave and may suffer long-term damage. There have even been a few cases where phones have exploded or burst into flame, although in these cases heat is generally the symptom (of a battery malfunction, for example) rather than the underlying cause of the issue. It’s extremely unlikely that your iPhone is going to blow up, but troubleshooting its overheating problems now should give you some peace of mind and help it to run smoothly. In this article, we offer some simple tips to cool down a hot iPhone. How to keep an iPhone coolIf your iPho…