iOS 12.1 Brings 'Performance Management' Feature to iPhone 2017 Lineup

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iOS 12.1 Brings 'Performance Management' Feature to iPhone 2017 Lineup

Performance throttling is related to battery capacity of an iPhone

Highlights
  • Apple was accused of performance throttling last year
  • The company confirmed these allegations in December
  • The “feature” can be turned off in Settings

Apple this week released its latest iOS 12.1 software update for eligible iPhone, iPad, and iPod touch models. The update brought along several features including support for Group FaceTime, Depth Control in camera preview for the latest iPhone models, improved cellular connectivity, 70 new emoji, and fixes for several issues. However, the changelog also mentioned the inclusion of a “performance management feature” on last year's iPhone X, iPhone 8, and iPhone 8 Plus. This is similar to the performance throttling controversy that Apple was caught up in late last year and in early 2018.

Accused of throttling performance of iPhone models, iPhone 6 and above, Apple confessed that it indeed slowed down iPhones, to prevent unexpected shutdowns, depending on battery health. However, it did not previously mention the presence of such a performance management feature in last year's iPhone 8, iPhone 8 Plus, or iPhone X.

The Cupertino giant's official support page for iPhone battery and performance has now been updated to reflect this statement: “Starting with iOS 12.1, iPhone 8, iPhone 8 Plus, and iPhone X include this feature, but performance management may be less noticeable due to their more advanced hardware and software design.”

As per the above-mentioned support page, this performance management feature works by managing different aspects of the smartphone - including device temperature, battery state of charge, and battery impedance. However, this is not a case of concern any more because of two reasons.

Firstly, the feature comes into play only when battery deteriorates from its original capacity, which, according to Apple, is set at 80 percent. Secondly, once that happens, you can choose to stop throttling by going into Settings > Battery > Battery Health and hit the Disable button under Peak Performance Capability.

  • Design
  • Display
  • Software
  • Performance
  • Battery Life
  • Camera
  • Value for Money
  • Good
  • Insane performance
  • Vastly improved cameras
  • Wireless charging
  • Assured, timely software updates
  • Bad
  • Same old design
  • First party apps not great in India
  • Fast charger not bundled
Display 4.70-inch
Processor Apple A11 Bionic
Front Camera 7-megapixel
Rear Camera 12-megapixel
RAM 2GB
Storage 64GB
Battery Capacity 1821mAh
OS iOS 11
Resolution 750x1334 pixels
  • Design
  • Display
  • Software
  • Performance
  • Battery Life
  • Camera
  • Value for Money
  • Good
  • Insane performance
  • Vastly improved cameras
  • Portrait Mode is great
  • Wireless charging
  • Assured, timely software updates
  • Bad
  • Same old design, ungainly
  • First party apps not great in India
  • Fast charger not bundled
Display 5.50-inch
Processor Apple A11 Bionic
Front Camera 7-megapixel
Rear Camera 12-megapixel
RAM 3GB
Storage 64GB
Battery Capacity 2691mAh
OS iOS 11
Resolution 1080x1920 pixels
  • Design
  • Display
  • Software
  • Performance
  • Battery Life
  • Camera
  • Value for Money
  • Good
  • Stunning design and display
  • Great cameras
  • Wireless charging
  • Assured, timely software updates
  • Bad
  • Costs a small fortune
  • First party apps not great in India
  • Fast charger not bundled
Display 5.80-inch
Processor Apple A11 Bionic
Front Camera 7-megapixel
Rear Camera 12-megapixel + 12-megapixel
RAM 3GB
Storage 64GB
Battery Capacity 2716mAh
OS iOS 11
Resolution 1125x2436 pixels
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