My battery life on my iphone 4 is too fast?

It's like 18% before I go to bed and when I wake up it's 3%. Please don't tell me to update bc I won't. Do you have any tips?

Whenever you go to bed shut off the i phone it saves power usually on my i phone, it loses percentage throughout the night so turn it off so you can save battery. And one more thing dontyou have a charger? If you do its simple just plug it in and go to sleep.

It is normal

When you go to bed turn the brightness down all the way. At least once every month, you should let it go fully dead (no battery left) and charge it to 100%.

If you have a few more problems it could be a faulty phone, either way I would contact apple support and they may be able to help you further.

Hope I helped!

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