If your iPhone battery struggles to make it through a full day, and you don’t want to add an ugly hump to your device, Guardian tech writer Samuel Gibbs has found that deleting the Facebook app and using Safari instead can boost battery life by up to 15%.

Gibbs spent a week comparing battery usage when using the app against a week using Facebook’s mobile site in Safari, finding that he averaged 15% more remaining battery life at the end of each day. He recruited a bunch of others to repeat the experiment, with similar results reported.

A simple tip means that you don’t even sacrifice much convenience by doing so …

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