Does the iPhone 4S Have a Battery-Life Problem?

The new Apple iPhone 4S has been getting rave reviews but there are undercurrents of dissatisfaction from early users who say the battery life is subpar.

It's not clear how serious or how widespread the problem is but a ConsumerAffairs.com analysis of more than 1.1 million consumer comments on Twitter, Facebook and other social media and blogs finds numerous complaints about battery life.

Of the negative comments analyzed, fully 23% were about poor battery performance, more than any other single topic.

Users report situations like finding 20% less power after leaving the phone unused overnight, 10% loss of power in 15 minutes of iMessage usage over WiFi, and 50% power loss in three hours without use, according to Information Week.

It's not unusual to have problems in new versions of the iPhone.  We all remember the complaints about the iPhone 4's antenna, which actually turned out to be a software glitch.

Most of geekdom seems to feel that the battery problem is most likely a software glitch as well and, thus, easily fixable once the exact error is nailed down.

The Guardian  reported that  Apple engineers have been contacting some iPhone 4S customers and asking them to install performance profiling software.

One owner said Apple contacted him directly and asked him to install a monitoring program on the phone to try to diagnose the problem.

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Sentiment analysis by NetBase