iPhone batteries has limited lifetime. It may take 1 to 1,5 years if you are charging your phone once a day however if you are charging your iPhone more than 1 a day then your battery may need changing before.
How to understand when it’s time to replace your battery
1- Your battery will start charging much quicker then when you just bought it.
2- Your battery won’t last too long and it will go down %5, %7 at a time rather than %1.
3- Your phone will die when it is on last %5, %10.
How it work?
Email me and let me know your iPhone model and then we will take it from there.
How much does it cost to replace an iPhone battery?
This completely depends on the price of the part (battery) however it will be around £30.