iOS7.1 battery life is high on the list of complaints about smartphones. And it’s easy to understand how smartphone users get frustrated with iOS 7.1 battery life drainage. This is exactly what has happened with iOS 7.1, just a week after release.iPhone users are expressing their disappointment on Twitter and Apple forums about the first update to the iOS7 for iPhones and iPads.Tweet from Jeremy Horwitz: Jeremy Horwitz @horwitz Follow Bad news: after five months of testing, iOS 7.1 has an iPhone battery-killing bug. Good news: iOS 8 is only 6 short months away. Maybe 7. 8:24 AM - 14 Mar 2014From forum user atchyut: I have updated my iPhone 5s to iOS 7.1, ever since I have been experiencing battery drain of about 1% every 10 mins.PJS2006 writes on Apple Forum: I installed iOS 7.1 yesterday and now my battery on my iPhone 5S is dropping rappidly. I charged it last night and unplugged it before work. On the 30min commute it went from 100% down to 97% with no use from me. What gives?However, not everyone seems to be experiencing problems as this user posted on Twitter:Justin @OneRainyWish Follow Yes! Looks like the iOS 7.1 update really fixed my battery issues. Make sure you all update to it before resorting to a full restore. 5:49 AM - 13 Mar 2014 from Peace River, British Columbia, CanadaA report on Huffintonpost said, “The software seems to be causing several issues, including loss of battery life, poor Bluetooth connectivity and spontaneous restarts.” However, the predominant issue seems to be battery drain.ArsTechnica ran tests with iOS 7.1 operating on several devices and found that most devices run slower on iOS7.1. Although no clear solution has been found, Yahoo Tech reported that reinstalling the software could solve the problem.Analytics firm, Mixpanel, said that 26% of all Apple devices have switched to iOS7.1 after it released on Monday. However, Apple watchers may be more than a little hesitant to use iOS7.1 after reports galore have flooded the Net with problems with the Apple software.