iPhones have a hidden ‘vampire’ setting responsible for significant battery draining

  • Apple’s ‘Wi-Fi Assist’ can dramatically drain battery life and eat up your knowledge
  • The instrument permits customers to hop on to cellular knowledge when networks lag behind 

There’s nothing extra irritating than heading out with a absolutely charged telephone to seek out it utterly useless simply a few hours later.

But you could be stunned to know that battery drain is usually worsened by the so-called ‘vampire setting’ hidden deep inside an iPhone.

Despite its terrifying nickname, the life-sucking function is extra blandly often known as ‘Wi-Fi Assist’ and permits Apple customers to hop on to cellular knowledge when networks lag behind. 

Whether you are streaming Netflix on the bus or downloading a file within the mountains, this may be an extremely useful instrument on the go.

However, customers ought to be conscious that it may possibly additionally quickly kill battery life, with the instrument mechanically enabled on all iPhones.

Apple’s ‘Wi-Fi Assist’ function can dramatically drain battery life and eat up your knowledge


  1. Head to ‘Settings’
  2. Tap the ‘Mobile Data’ tab
  3. Scroll all the way in which to the underside
  4. Tap the ‘Wi-Fi Assist’ toggle, turning it from inexperienced to gray

To see it for your self, head to the ‘Settings’ menu earlier than tapping on the ‘Mobile Data’ tab.

Here, you will see private hotspot info in addition to insights on how  knowledge is used for completely different apps on the system.

The ‘Wi-Fi Assist’ toggle is situated far under this, so you will must scroll proper to the underside the place you will discover it situated simply above ‘iCloud Drive’.

If you want to show this off, faucet the toggle simply as soon as to show it from inexperienced to gray – this alteration will save mechanically. 

Wi-Fi Assist can be utilized for quite a few apps together with however not restricted to Safari, Apple Music, Mail and Maps.  

While the setting can impression battery life, it is necessary to notice that it will not mechanically change to ‘mobile’ should you have knowledge roaming switched on.

Data roaming typically happens when utilizing a cell phone on vacation, with the web switching to an web community situated in no matter nation you are in. 

The instrument permits customers to hop on to cellular knowledge when Wi-Fi networks are sluggish and lag behind

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Wi-Fi Assist solely focuses on apps operating within the foreground too and would not activate applications within the background or third-party apps.

The latter can eat up massive volumes of knowledge – not solely costing you treasured battery life however cash as nicely. 

‘There are two easy methods you possibly can protect battery life — regardless of how you employ your system: alter your display brightness and use Wi‑Fi,’ the tech big says.

‘When you employ your system to entry knowledge, a Wi‑Fi connection makes use of much less energy than a cellular community — so hold Wi‑Fi on always. To activate Wi‑Fi, go to Settings > Wi‑Fi to entry a Wi‑Fi community.’

iPhone homeowners can dim their display brightness by accessing the ‘Control Centre’ accessed by swiping down from the highest right-hand nook of a display on newer fashions. 

Switching on ‘Auto-Brightness’ might help too – discovered within the ‘Accessibility’ tab of ‘General’ in ‘Settings’.


  1.  Avoid excessive temperatures: Your system is designed to carry out nicely in temperatures between 16°C and 22°C. Anything above 35°C can completely harm battery life.
  2. Remove sure circumstances when charging: Phone circumstances that generate extra warmth ought to be eliminated whereas charging. Overheating also can trigger the system to unexpectedly shut down.
  3. Update to the most recent software program: Apple updates usually embrace energy-saving applied sciences.
  4. Do not absolutely cost or absolutely discharge the system : Charging to round 50 per cent will assist maintain its capacity to carry battery life.

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