It seems incredible that after so many years of using an iPhone, I should discover this now. But if you have an iPhone and you find that your battery is not enough to get you through the day, there are several things you can do and the solution we offer is one of the most overlooked. This trick saves a lot of battery and, depending on usage, mobile data.
And best of all, for the user it doesn't mean any change in the user experience, so these are all benefits. The problem is that This feature is disabled by default in iOS 18, but you can enable it at any time. And what do you get with it?
How to save data and battery on iPhone
When you use WiFi, your iPhone stays connected to your mobile data line. It does it with a different antenna, so it consumes more resources, and therefore more battery. The idea is that if your WiFi is slow or crashes, mobile data would “support” your connection. Fortunately, this can be turned off to save data and battery.
To access this setting, just follow these steps:
- Enter the “Settings” of the iPhone.
- Go to “Mobile Data”.
- Scroll down to Wi-Fi Assist, then choose to turn it off.
With this small tweak, you can save data and battery that you wouldn't have to waste. As you can see, it's somewhat hidden, but it's easy to activate. If you primarily use a WiFi network when online with your iPhone, this small change can make a tangible difference. Nothing is lost and the benefits speak for themselves.
As Apple itself states, when the WiFi connection is poor, this is a very useful setting. But the use cases are so rare that It is advisable to keep it disabled and enable it only when you feel the need.. This feature is available on all systems with iOS 9 or later except iPhone 4s, iPad 2 Wi-Fi+Cellular, iPad (3rd generation) Wi-Fi+ Cellular and iPad mini (1st generation) Wi-Fi+. Cellular.
An older version of this article was originally published on 09/11/2023.
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