New iphone battery still drains super fast?

I have an iphone 4, as of last weekend the battery life drained like 2% every two to three minutes. I bought a new battery since then but it's doing the same thing. I was wondering if it was the screen that effecting it because it is badly broken. Parts a chipped off, or maybe something inside the phone that's causing it

Easy

Absolutely. You need to replace the screen & any other damaged components.

Restore the device without the backup so you have ' a new iphone'

you can save your contacts by using phone swappr

- it was in Belgium on the news that the latest updates are causing a lot of battery trouble.

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