Skip to main content
TechRadar TechRadar the technology experts
SG EditionSingapore
DK EditionDanmark FI EditionSuomi NO EditionNorge SE EditionSverige UK EditionUK IT EditionItalia NL EditionNederland BE (NL) EditionBelgië (Nederlands) FR EditionFrance DE EditionDeutschland ES EditionEspaña
US EditionUS (English) CA EditionCanada MX EditionMéxico
AU EditionAustralia NZ EditionNew Zealand
RSS
Sign in
  • View Profile
  • Sign out
  • Phones
    • Popular Phone Brands
      • iPhone
      • Samsung Galaxy
      • Google Pixel
      • Nothing
      • Motorola
      • OnePlus
      • Xiaomi
      • Honor
      • Oppo
      • Huawei
    • Operating Systems
      • Android
      • iOS
    • More from Phones
      • Network Carriers
      • Phone Accessories
      • Phone Reviews
      • Phone Buying Guides
      • Phone Deals
      • Phone Coupons
      • Phone News
  • Computing
    • Laptops
      • Chromebooks
      • MacBooks
      • Windows Laptops
      • Gaming Laptops
    • PCs
      • Desktop PCs
      • Macs
      • Gaming PCs
    • Software & Security
      • Windows
      • macOS
      • Windows 10 End of Life
      • Antivirus
      • Cyber Security
    • Components
      • CPUs
      • GPUs
      • Storage
      • Nvidia
      • Intel
    • Internet
      • Websites & Apps
      • Wi-Fi & Broadband
      • Social Media
      • Wordle
    • Tablets
      • eReaders
      • iPad
    • VR & AR
    • Peripherals
      • Monitors
      • Keyboards
      • Webcams
      • Mice
    • Popular Computing Brands
      • Dell
      • HP
      • Lenovo
      • Acer
    • More from Computing
      • Computing Reviews
      • Computing Buying Guides
      • Computing Deals
      • Computing Coupons
      • Computing News
  • AI
    • AI Platforms & Assistants
    • OpenAI
    • ChatGPT
    • Gemini
    • Apple Intelligence
    • Claude
  • TVs
    • TV Insights
      • TV Reviews
      • TV Buying Guides
      • TV Deals
      • TV News
      • TVs & home theater coupons
    • More for your TV
      • Home Theatre
      • Soundbars
      • Streaming Devices
      • Projectors
      • Blu-ray
  • Streaming
    • Entertainment
    • Netflix
    • Prime Video
    • Disney+
    • Apple TV+
    • HBO Max
    • Hulu
    • Paramount+
    • How to Watch
    • Streaming coupons
  • Fitness
    • Fitness
      • Smartwatches
      • Fitness Trackers
      • Exercise Equipment
      • Fitness Headphones
      • Fitness Apps
      • Smart Rings
    • Watch Brands
      • Apple Watch
      • Fitbit
      • Garmin
      • Google Pixel Watch
      • Samsung Galaxy Watch
    • Wellbeing
      • Sleep
      • Oral Health
    • More from Fitness
      • Fitness News
      • Fitness Reviews
      • Fitness Buying Guides
      • Fitness Deals
      • Fitness coupons
  • Audio
    • Headphones
      • Earbuds & AirPods
      • Wireless Headphones
    • Speakers
      • Wireless Speakers
      • Sonos
    • Hi-Fi
      • Turntables
      • Portable Players
      • DACs
    • Audio Streaming
      • Spotify
      • Apple Music
    • More from Audio
      • Audio News
      • Audio Reviews
      • Audio Buying Guides
      • Audio Deals
      • Audio coupons
  • VPN
    • VPN Services
    • VPN Security
    • ExpressVPN
    • NordVPN
  • Cameras
    • Camera Types
      • Mirrorless
      • DSLRs
      • Compact
      • Action
      • Video
      • Drones
      • 360 Cameras
      • Dash Cams
    • Camera Brands
      • Canon
      • DJI
      • Fujifilm
      • Nikon
      • GoPro
      • Insta360
    • More from Cameras
      • Camera Accessories
      • Camera Lenses
      • Camera Reviews
      • Camera Buying Guides
      • Camera Deals
      • Camera News
      • Photography
      • Camera coupons
  • Home
    • Smart Home
      • Home Security
      • Smart Speakers
      • Smart Lights
      • Smart Scales
      • Smart Thermostats
      • Amazon Echo
    • Small Appliances
      • Air Fryers
      • Air Quality
      • Coffee Machines
      • Hair Care
      • Vacuums
      • Robot Vacuums
    • Home Brands
      • Dyson
      • Philips Hue
      • Ring
      • Shark
      • Ninja
    • More from Home
      • Home Reviews
      • Home Buying Guides
      • Home Deals
      • Home News
      • Mattress coupons
      • Home & appliances coupons
  • EVs
  • Browse
    • By Type
      • News
      • Best
      • Reviews
      • Deals
      • Versus
      • How To
      • Opinion
      • Coupons
    • Popular Brands
      • Samsung
      • Sony
      • Microsoft
      • Apple
Tech Radar Pro Tech Radar Gaming
  • Phones
    • View Phones
      • iPhone
      • Samsung Galaxy
      • Google Pixel
      • Nothing
      • Motorola
      • OnePlus
      • Xiaomi
      • Honor
      • Oppo
      • Huawei
      • Android
      • iOS
      • Network Carriers
      • Phone Accessories
      • Phone Reviews
      • Phone Buying Guides
      • Phone Deals
      • Phone Coupons
      • Phone News
  • Computing
    • View Computing
    • Laptops
      • View Laptops
      • Chromebooks
      • MacBooks
      • Windows Laptops
      • Gaming Laptops
      • Desktop PCs
      • Macs
      • Gaming PCs
    • Software & Security
      • View Software & Security
      • Windows
      • macOS
      • Windows 10 End of Life
      • Antivirus
      • Cyber Security
    • Components
      • View Components
      • CPUs
      • GPUs
      • Storage
      • Nvidia
      • Intel
    • Internet
      • View Internet
      • Websites & Apps
      • Wi-Fi & Broadband
      • Social Media
      • Wordle
    • Tablets
      • View Tablets
      • eReaders
      • iPad
    • VR & AR
    • Peripherals
      • View Peripherals
      • Monitors
      • Keyboards
      • Webcams
      • Mice
      • Dell
      • HP
      • Lenovo
      • Acer
      • Computing Reviews
      • Computing Buying Guides
      • Computing Deals
      • Computing Coupons
      • Computing News
  • AI
    • View AI
    • AI Platforms & Assistants
    • OpenAI
    • ChatGPT
    • Gemini
    • Apple Intelligence
    • Claude
  • TVs
    • View TVs
      • TV Reviews
      • TV Buying Guides
      • TV Deals
      • TV News
      • TVs & home theater coupons
      • Home Theatre
      • Soundbars
      • Streaming Devices
      • Projectors
      • Blu-ray
  • Streaming
    • View Streaming
    • Entertainment
    • Netflix
    • Prime Video
    • Disney+
    • Apple TV+
    • HBO Max
    • Hulu
    • Paramount+
    • How to Watch
    • Streaming coupons
  • Fitness
    • View Fitness
      • Smartwatches
      • Fitness Trackers
      • Exercise Equipment
      • Fitness Headphones
      • Fitness Apps
      • Smart Rings
      • Apple Watch
      • Fitbit
      • Garmin
      • Google Pixel Watch
      • Samsung Galaxy Watch
      • Sleep
      • Oral Health
      • Fitness News
      • Fitness Reviews
      • Fitness Buying Guides
      • Fitness Deals
      • Fitness coupons
  • Audio
    • View Audio
    • Headphones
      • View Headphones
      • Earbuds & AirPods
      • Wireless Headphones
    • Speakers
      • View Speakers
      • Wireless Speakers
      • Sonos
    • Hi-Fi
      • View Hi-Fi
      • Turntables
      • Portable Players
      • DACs
    • Audio Streaming
      • View Audio Streaming
      • Spotify
      • Apple Music
      • Audio News
      • Audio Reviews
      • Audio Buying Guides
      • Audio Deals
      • Audio coupons
  • VPN
    • View VPN
    • VPN Services
    • VPN Security
    • ExpressVPN
    • NordVPN
  • Cameras
    • View Cameras
      • Mirrorless
      • DSLRs
      • Compact
      • Action
      • Video
      • Drones
      • 360 Cameras
      • Dash Cams
      • Canon
      • DJI
      • Fujifilm
      • Nikon
      • GoPro
      • Insta360
      • Camera Accessories
      • Camera Lenses
      • Camera Reviews
      • Camera Buying Guides
      • Camera Deals
      • Camera News
      • Photography
      • Camera coupons
  • Home
    • View Home
    • Smart Home
      • View Smart Home
      • Home Security
      • Smart Speakers
      • Smart Lights
      • Smart Scales
      • Smart Thermostats
      • Amazon Echo
    • Small Appliances
      • View Small Appliances
      • Air Fryers
      • Air Quality
      • Coffee Machines
      • Hair Care
      • Vacuums
      • Robot Vacuums
      • Dyson
      • Philips Hue
      • Ring
      • Shark
      • Ninja
      • Home Reviews
      • Home Buying Guides
      • Home Deals
      • Home News
      • Mattress coupons
      • Home & appliances coupons
  • EVs
  • Browse
    • View Browse
      • News
      • Best
      • Reviews
      • Deals
      • Versus
      • How To
      • Opinion
      • Coupons
      • Samsung
      • Sony
      • Microsoft
      • Apple
Tech Radar Pro Tech Radar Gaming
Don't miss these
Trending
  • ChatGPT 5.2
  • Gift guides
  • Best laptop
  • Best web hosting
  • NYT Wordle today
  • Best VPN
  • Windows 10 end of life
  1. Phones
  2. iPhone

How to improve iPhone battery life

How Tos
By MacFormat published 7 January 2016

Get a battery boost

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

How to improve iPhone battery life

How to improve iPhone battery life

Your iPhone can do so much for you, it will quickly become indispensable. But frequently checking your emails, making FaceTime calls and watching streaming video all inevitably sap the iPhone battery.

This isn't a problem if you're somewhere you can plug in your iPhone for a recharge, but all too often you'll start seeing low battery alerts on your iPhone's screen when you're far from a socket. But this doesn't mean there's nothing you can do!

iOS 9 has a new low-power mode, which detects when the iPhone battery is at 20% of its power, and alerts you to the fact. If activated, it will halt Mail fetch, background app refresh, automatic downloads and visual effects to help eke out the last bit of power.

On top of that you should turn off power-hungry features such as 3G/4G networking, Bluetooth and Location Services, and stop using streaming services.

Other background services that periodically check for new content, such as Facebook and Twitter, can also be switched off.

Finally, reduce the screen brightness as low as you can comfortably go, and set the screen to dim after a few minutes' inactivity – you'll be amazed at the difference this can make.

Page 1 of 7
Page 1 of 7
1. Low Power Mode

1. Low Power Mode

When your iPhone battery level falls to 20% iOS 9 prompts you to enter Low Power Mode. If you accept it, it will pause Mail fetching, stop automatic downloads and reduce visual effects that drain the battery.

And it's a useful reminder to either head for a power socket or start turning off other power-hungry features…

Page 2 of 7
Page 2 of 7
2. Stop networking

2. Stop networking

Bluetooth is a big battery drain, so if you're not actually using a Bluetooth earpiece or other device, swipe up from the bottom of the screen to open Control Centre and switch it off.

Even if you're using Bluetooth, switch AirDrop off – broadcasting your availability to the world costs power, so keep it off until you need it.

Page 3 of 7
Page 3 of 7
3. Dim the screen

3. Dim the screen

The screen backlight is one of the main drains on the battery. So tap Settings > Display & Brightness and switch on Auto-Brightness; the screen will then adjust itself on-the-fly for the conditions.

If juice is really low, open Control Centre and drag the brightness slider down as low as you can while keeping things readable.

Page 4 of 7
Page 4 of 7
4. Switch off 3G/4G

4. Switch off 3G/4G

It's far more power efficient (not to mention cost efficient) to use Wi-Fi, where available, than 3G or 4G to get online. To switch off Mobile Data, go to Settings > Mobile and toggle the Mobile Data switch to off.

Email and web browsing will now only take place using the more battery-friendly Wi-Fi.

Page 5 of 7
Page 5 of 7
5. Stop 3G sync

5. Stop 3G sync

Even if you want to use mobile data to browse the web, it's an idea to go to Settings > Videos and make sure that Show iTunes Purchases is not enabled.

If it's enabled your iPhone will stream videos from your iTunes account as well as playing those already stored on the device, which will drain your battery.

Page 6 of 7
Page 6 of 7
6. Location Services

6. Location Services

Using various power-hungry methods, including GPS and Bluetooth, your iPhone can pinpoint its location. To save power, disable this in Settings > Privacy > Location Services. (Note that location-based apps such as Weather or Maps may have problems.) Find My Phone will override this if you need to locate a lost phone.

  • Enjoyed this article? Get more tutorials, guides, and tips on how to get the most from your Apple devices inside MacFormat. Take advantage of an exclusive offer in our sampler today.
Page 7 of 7
Page 7 of 7
TOPICS
Apple
MacFormat
Share by:
  • Facebook
  • X
  • Whatsapp
  • Reddit
  • Pinterest
  • Flipboard
  • Threads
Share this article
Join the conversation
Follow us
Add us as a preferred source on Google
Latest in iPhone
Apple iPhone 17 Pro Max REVIEW
iOS 26 leak reveals the 7 upgrades coming to your iPhone next year – here's what to expect
 
 
Apple iPhone 17 Review
iOS 26.2 has added a handy feature to make notifications more noticeable
 
 
Apple iPhone 17 on yellow background with don't miss text overlay
T-Mobile's epic iPhone 17 deal from Black Friday is still available - get four devices for free without a trade
 
 
The Selfix Case on an orange background
This unique case will put a screen on the back of your iPhone 17 Pro or Pro Max
 
 
Tim Cook image next to Brad Pitt image
‘They gave us the iPhone camera’: F1 producer Jerry Bruckheimer on Apple’s ‘phenomenal’ involvement in the movie’s production
 
 
a photo of an iPhone 16 Pro Max on top of a Samsung Galaxy S24 Ultra
Should I abandon my iPhone for a return to Android? Tell me what to do
 
 
Latest in How Tos
 John Cena enters the ring during Survivor Series at Petco Park on November 29, 2025 in San Diego, California.
John Cena's Final WWE Match — Stream it *FREE* on YouTube
 
 
RAM
Beat the RAM price rises with this free Windows 11 hack for an instant speed boost
 
 
Darts player Luke Littler points to the crowd in celebrating a checkout during the 2025 PDC World Darts Championship.
How to watch Luke Littler at the 2026 PDC World Darts Championship online: FREE darts live streams, schedule
 
 
Luke Littler raises his hands to the air in celebration at winning the 2025 PDC World Darts Championship.
How to watch 2026 PDC World Darts Championship online: FREE live streams, schedule, seeds, Round 1 preview and draw
 
 
ChatGPT app on an iPhone
ChatGPT users are making a Spotify Wrapped for their year in AI — here's how to do it
 
 
F1 Drivers' Championship fight with Oscar Piastri (Left), Lando Norris (Centre) and Max Verstappen (Right)
Abu Dhabi Grand Prix 2025 - Stream Formula 1 finale with this trial offer
 
 
LATEST ARTICLES
  1. 1
    Investing in this one simple skill in The Witcher 3 has made my 10-year anniversary playthrough so much better — and it needs to be in The Witcher 4
  2. 2
    ChatGPT Images just got a major upgrade — and it could change how we all create
  3. 3
    Three billion WhatsApp users are at risk - an expert has developed a tool that could spy on everyone, and you would never know about it
  4. 4
    Samsung's enormous micro-RGB TV is coming to smaller screen sizes, and it borrows one great feature from Samsung OLED TVs
  5. 5
    Scammers target Leonardo DiCaprio fans with malware-ridden "One Battle After Another" torrent

TechRadar is part of Future US Inc, an international media group and leading digital publisher. Visit our corporate site.

Add as a preferred source on Google
  • About Us
  • Contact Future's experts
  • Contact Us
  • Terms and conditions
  • Privacy policy
  • Cookies policy
  • Advertise with us
  • Web notifications
  • Accessibility Statement
  • Careers

© Future US, Inc. Full 7th Floor, 130 West 42nd Street, New York, NY 10036.

Please login or signup to comment

Please wait...