A hidden iPhone setting, Background App Refresh, can drain battery power by allowing apps to fetch data while idle. Managing this feature may help users optimise battery life without sacrificing convenience.
A little-known iPhone setting can quietly add to battery drain by allowing apps to fetch new data while the device is idle. The feature, known as Background App Refresh, lets software update content in the background so that weather forecasts, social feeds and similar services appear more current when opened. Kien Thuc reports that this process uses processing power and network activity, which can raise energy use even when the phone appears inactive.
The impact is not the same on every device. According to explanations published by Masbear, Tech Nerdiness and WhymyPhone, the effect depends on how many apps are permitted to refresh, how often those apps request updates and how the phone is used day to day. In practice, that means a user who allows many rarely opened apps to refresh may see more unnecessary battery use than someone who limits the feature to a few essential services.
Apple gives users several ways to control the setting. On iPhone, Background App Refresh can be found under Settings, General and Background App Refresh, where it can be turned off entirely, restricted to Wi-Fi, or allowed over both Wi-Fi and mobile data. Kien Thuc notes that the most aggressive option will reduce background activity the most, while the Wi-Fi-only setting offers a middle ground for people who still want updates at home or in the office.
The feature can also be managed app by app rather than switched off across the whole device. That matters because not every app has the same value in the background. Weather and navigation tools may benefit from fresh data, while social media and other content-heavy services may be less urgent. Several guides, including coverage from iTechGuides and MobileStalk, say this targeted approach is often more practical than a blanket change because it preserves convenience where it matters.
Users should not expect a dramatic battery gain in every case. iTechGuides and MobileStalk note that Apple does not publish exact figures for how much power is saved by disabling Background App Refresh, so the result depends on individual habits and installed apps. Apple does, however, disable the feature automatically when Low Power Mode is enabled, which shows that the company treats it as one part of a wider power-saving strategy rather than a stand-alone fix.
Disclaimer: This content is intended for informational purposes only. Readers are advised to exercise their own judgement, conduct due diligence, or consult a qualified expert before acting on any information provided.
