4S didn't improve? IOS5 sunlight-saving time quitting problems still abnormal

You remember in April this year, because the problem of daylight saving time iPhone, and there always confusion? Many iPhone users said can't quit sunlight-saving time, although do automatic adjustment may be, but quickly or slowly have error, the user can only manual Settings

The iPhone is, actually or cisco iOS problem. This year two successive appear this problem, that means apple iOS 5 in the design, and for my fish skin iphone 4g red iOS 4 make no optimization. China does not practice daylight saving time, therefore the domestic users do not will be affected by the influence of the problem.