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Iphone 4s Goes Off at 18%

P

pauly800

Suspended
Original poster
Dec 7, 2014
183
6
I bought a used iphone 4s on ebay that was excellent condition about 1.5 years ago. It was great. Then recently i noticed my battery would go out really fast. Such as when you don't even use it, it would go from 100% all the way to 50 percent when i didn't do anything on it. I got a battery replacement and my battery now is much better.


However i still have the issue where the moment it goes to 18%, it would shut off. I would then have to recharge it. Does anyone here have this issue and know how to fix it? Surely this isn't a battery issue since i got the battery replaced?
 
pauly800 said:
Does anyone here have this issue and know how to fix it? Surely this isn't a battery issue since i got the battery replaced?
Click to expand...
It's likely that the replacement battery is also faulty. Replacement batteries are often lower quality and/or lower capacity than the original, if you didn't get the new battery through Apple.
 
i got it through a repair shop. However, isn't it true all batteries bought from those places not through apple though?
 
Okay so my initial battery had this issue. Then i went to a place where it got very good ratings change my battery and im having this same issue. Though it doesn't have the issue of the battery draining very fast.


So are you telling me don't even bother getting a battery replacement at any of these places or go get it directly through apple?
 
Have you already tried a battery calibration? Switching batteries can cause calibration problems because of the change in charge capacity.
 
Okay so i updated to ios 9. I had lot of issues with this. Okay few times the battery would go out 40 percent battery... other times like another number under it. I then updated to IOS 9. And now battery seems to go out around 18%.


Anyone else know why this issue is happening?



What is battery calibration? I don't know how to open battery up for iphone. Last time i went to repair show to have battery replaced and thought after that... it was good to go.
 
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