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iOS 5.0.1 - Made my iPhone 4S battery performance worse!

I upgraded my iphone 4S to the 5.0.1 release today. However, I've noticed that my battery life has actually gotten worse since I upgrade. For example, I've been home for approximately 30 minutes and my battery has gone down in 8%. In the 30 minutes, I had a 30 second phone call and sent 3 text messages. I am connected to our wi-fi (which is a strong connection) and I have re-started my phone.


Please let me know if anyone else is having any issues!?!!?


Apple - Can you please fix the iphone 4s battery issues? I might as well go get a 4g android phone if the battery life remains this poor.

iPhone 4S, iOS 5, Verizon

Posted on Nov 10, 2011 4:20 PM

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497 replies

Nov 10, 2011 6:16 PM in response to mtbeaulieu

I have noticed the same issue too


AUS iPhone 4S, 32Gig Black, upgraded to iOS5.0.1, via OTA (55.6mb download)


Within 6 hours since last charge, and only using twitter/facebook 3 times on it (less then 15mins usage) no phone call nor sms, 45% of battery has gone... Its worse then my iPhone 3G!


Before update it would of been at 95%

Nov 11, 2011 4:46 AM in response to mtbeaulieu

I have an iPhone 4s, and yes, the upgrade to 5.01 has made it worse. Losing 10-15% battery power every hour. This is unacceptable Apple. Why would you release a new product which clearly is not fit for the purpose it was made? If there is no response from Apple as to a real fix, I'll be returning my phone in 7 days. Please fix this issue!

Nov 11, 2011 11:08 AM in response to mtbeaulieu

Hmmm. It actually worked for me. My phone was loosing 5%/hr on standby in iOS 5.0 with everything enabled, location services, etc. 5.0.1 decreased that to 1%/hr.


Background Processes:

I also killed all the background procs. All the procs that are running in the backgraound are restarted in the background even after a reboot. Is this a feature? It seems to me a reboot of the iPhone should kill all background procs and they should only be restarted again opon manually selecting the application. When I first checked the background procs by double clicking the home button, there were 50 or so running. Everything that I had started since buying the iPhone was a background process. This is possibly the difference between users. If some users have procs running in the background that aren't actuallly sleeping, but are chewing up cpu cycles and battery... there ya go. It all depends on the app, who wrote it, and how well it behaves. I for one obtained better battery life by killing these procs.





Nov 11, 2011 11:19 AM in response to mtbeaulieu

guess i have to join this club.


didn't seem to have battery issues before 5.0.1 (iPhone 4s), but now - wow. full charge last night. picked up the phone and unplugged it when i got up at 630 this morning. it's now just after 2pm and i'm down to ~30%. no calls. connected to wifi all day. haven't played any games or videos. phone's pretty much just sat on the desk and a few web pages when i watched some news this morning.

iOS 5.0.1 - Made my iPhone 4S battery performance worse!

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