How long should a fully charged iPhone 4 battery last? - 1

Got a used iPhone and just wondering

It really depends on how you use it. I use mine basiclly quite a lot. So I can last mine for maybe 4-5 hours. But someone who doesn't use theirs a lot, lets say a person who only texts and uses their phone for like informational stuff to look on Internet can make it last all day. It all depends on usage. You can even change the brightness of your screen dimmer to make it last longer In a perfect world that doesn't exist:

Up to 7 hours on 3G
Up to 14 hours on 2G (GSM model only)
Standby time: Up to 300 hours
Internet use:
Up to 6 hours on 3G
Up to 10 hours on Wi-Fi
Video playback: Up to 10 hours
Audio playback: Up to 40 hours
That's from Apple under ideal conditions.

We don't live under ideal conditions, so expect quite a bit less, even less since it's a used phone.

https://support.apple.com/...m/kb/sp587" class='ext_link'>https://support.apple.com/...m/kb/sp587 Depends on what you are doing with it from 100 to 0

In a perfect world that doesn't exist:

Up to 7 hours on 3G
Up to 14 hours on 2G (GSM model only)
Standby time: Up to 300 hours
Internet use:
Up to 6 hours on 3G
Up to 10 hours on Wi-Fi
Video playback: Up to 10 hours
Audio playback: Up to 40 hours
That's from Apple under ideal conditions.

We don't live under ideal conditions, so expect quite a bit less, even less since it's a used phone.

https://support.apple.com/kb/sp587

Depends on what you are doing with it from 100 to 0

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