Background App Refresh Apps often run in the background to update content, sync data, and send notifications. While convenient, this uses battery constantly. Fix:  Go to Settings → General → Background App Refresh  and turn off apps you don’t need running all the time. iOS Updates and Reindexing After a major iOS update, iPhones may reindex files, photos, and apps, which can temporarily increase battery drain. Fix:  Allow your iPhone a few hours to complete reindexing. If bat

As you are about to receive a call, the speaker does not function. If the Iphone speaker does not provide you a clear voice, it can be...