If you have an older iPhone and the battery has not been replaced yet, have it replaced by Apple for only $ 29 until December 31st.
Last year, Apple unknowingly throttled iPhone performance to prevent an unexpected shutdown of devices with old, damaged batteries. The update was pretty simple: Just replace the battery.
CONNECTED: You can speed up your slow iPhone by replacing the battery
As goodwill to satisfy customers, Apple now offers discounted replacement batteries for devices as old as the iPhone SE and as new as the iPhone X are. Usually you can replace the battery for $ 69 for only $ 29, but you only have it by the end of the year. After that, the cost of service outside the warranty is likely to rise to $ 69.
If you're not sure whether your iPhone needs a battery change, you can check the battery condition by going to Settings> Battery> Battery health. Anything over 80% is pretty good, but if the percentage is lower, you would probably benefit greatly from a battery change.
You can also replace the battery in your iPhone yourself if you are up to the task. For older iPhones, this is not particularly difficult ̵