Apple (AAPL) is investigating reports that the latest iPhone operating system causes problems for users of the iPhone 3G, after a series of complaints on Apple support forums and technology blogs. Apple is aware of the reports and is looking into the matter, a spokeswoman told Digits.
Reports of the problems have been overshadowed by “Antennagate” — complaints about the iPhone 4 antenna that led Apple to issue free cases to all buyers. But since the iOS 4 software became available in late June, user concerns have surfaced on Apple forums.
The most common criticism is that the phone is slow after an upgrade. There are also many complaints that the phone drains the battery quickly and becomes excessively hot. Concern about general problems such as slowness and battery life on gadgets isn’t unusual, but using iOS 4 on the iPhone 3G seems to make the problems so bad that the phone is nearly unusable for some people.