Apple Inc. on Wednesday admitted that it is aware of the poor battery life some users were experiencing with the iPhone 4S and that the problem will be fixed in a future software update.

“We have found a few bugs that are affecting battery life and we will release a software update to address those in a few weeks,” the statement said.

It said that it will release a software update to its iOS 5 operating system, acknowledging some customer complaints on the performance of the new iPhone 4S battery. 

"A small number of customers have reported lower-than-expected battery life on iOS 5 devices," An Apple spokesman said. "We have found a few bugs that are affecting battery life and we will release a software update to address those in a few weeks." 

Apple did not provide any more details but a rash of complaints on the new phone's short battery life have cropped up in online forums.