If you've updated your iPhone to iOS 27, you power have already put Siri AI to the test or tried out several of Apple's AI-powered photo editing features. But you may have additionally noticed item else: Your iPhone's power division isn't enduring as lengthy between charges. While I can't say this is a worldwide cognition (I'm don't accept my iPhone is dying faster on iOS 27 than it did on iOS 26), several users are adamant the update has had a detrimental consequence on their power division life. And during there are many imaginable factors here, several think they have established the culprit: a characteristic called Connectivity Assist.
What is Connectivity Assist?
Connectivity Assist's goal is noble. The characteristic is designed to access cellular data any period your wifi association grows too weak. In theory, it have to be particularly helpful whenever you're leaving an area alongside wifi; fairly than agreement alongside the dilatory loading times a feeble wifi association forces you to withstand before it disconnects outright, your cellular network would boot in to keep your speed. (Once you've remaining wifi range, you'd be rear on cellular entirely either way, of course.)
Technically, this characteristic isn't new. Before iOS 27, Apple called it "Wi-Fi Assist," but it worked a bit differently. In iOS 26, Wi-Fi Assist merely switches complete to cellular whenever your wifi indication is too weak. With iOS 27's Connectivity Assist, it seems your iPhone can access the two networks at the identical time. If so, that may perform several function in why this rejiggered characteristic seems to be dragging downward people's batteries additional than it used to.
There's another new supplement alongside Connectivity Assist that could additionally be part of the problem: Unlike Wi-Fi Assist, Connectivity Assist sends DNS requests complete cellular data, which can bypass the rules that ad blockers put in location to halt pop-ups from making their way into your iPhone. As such, equal Apple recommends that you disable Connectivity Assist if you use an ad blocker. So, if your iPhone is continually sending out DNS requests during on cellular data, bypassing your energetic ad blockers, that could be putting additional strain on your battery, too.
How to disable Connectivity Assist in iOS 27
Reddit person ZoteTheMitey shared their cognition on the r/iPhone subreddit, claiming that their iPhone 15 Pro Max, alongside 89% power division health, was lone enduring for three to four hours following the toggle to iOS 27. Once they impaired Connectivity Assistant, they assertion their power division use period jumped to seven hours. Some users in the thread shared akin experiences, and one equal claimed disabling the characteristic fixed an matter alongside their equipment overheating.
If you desire to try the possible resolution yourself, current are two ways to disable Connectivity Assist: First, you can disable it on a per-network basis. To do so, caput to Settings > Wi-Fi, afterward tap the (i) next to your network name. Here, scroll down, and create certain the toggle next to "Use Connectivity Assist" is turned off. That was, you can create certain your power division isn't experiencing faster drain whenever you're distant from a charger—say, at a cafe you frequent.
If you'd fairly disable the characteristic globally for your iPhone, caput rear to the Wi-Fi settings leaf and justify the toggle next to "Connectivity Assist" is set to off. Note: if this characteristic was earlier enabled, you'll be capable to see the amount of cellular data the characteristic has used to date, which volition provision you an idea of how frequently it has been energetic on your device. More data could average additional possible power division drain.
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