With iPhone 15 models, you can see when your battery was manufactured, when it was first used and the cycle count.

Everyone that has owned iPhone knows the sinking feeling of seeing their battery percentage plummet. A robust and reliable iPhone battery that retains its charge is essential for the best performance. However - when do you know that it’s time to change your battery? In fact, what factors should you consider when making a choice? Any of the above could lead to insufficient battery capacity, improper fit, or performance issues. Using nongenuine batteriesmight also result in unexpected behavior after installation, device software updates, or while charging.Using nongenuine batteries might also lead to safety issues.While the XR only features a single rear camera, the 11 is outfitted with dual wide-angle lenses. The 13 mm ultra-wide-angle lens offers a 120° field of view, ideal for landscape or groups shots. The 26 mm wide-angle can be used as a universal lens for standard subjects. It is also equipped with optical image stabilisation. Versatile Video Devices updatingfrom iOS 11.2.6 or earlier will initially have performance management disabled; it will be reenabled if the device subsequently experiences an unexpected shutdown.

Not surprisingly, the iPhone 11 Pro Max also has the biggest battery of any iPhone yet at a reported 3,968 mAh, according to one teardown.

Apple iPhone 11: Price UK

iOS 11.3 and later improve this performance management featureby periodically assessing the level of performance management necessary to avoid unexpected shutdowns.If the battery health is able to support the observed peak power requirements, the amount of performance management will be lowered. If an unexpected shutdown occurs again, then performance management will increase. This assessment is ongoing, allowing more adaptive performance management. Additionally, if a service provider uses nongenuine battery parts, the replacement batterymight be: Efficiency performance is based on the U.S. Department of Energy Federal Energy Conservation Standards for Battery Chargers.

iPhone 11 is splash, water, and dust resistant and was tested under controlled laboratory conditions with a rating of IP68 under IEC standard 60529 (maximum depth of 2 meters up to 30 minutes). Splash, water, and dust resistance are not permanent conditions and resistance might decrease as a result of normal wear. Do not attempt to charge a wet iPhone; refer to the user guide for cleaning and drying instructions. Liquid damage not covered under warranty. For iPhone 6 and later, iOS 11.3 and later add new features to show battery health and recommend if you need to replace the battery. You can find these in Settings > Battery > Battery Health (with iOS 16.1 or later, find these in Settings > Battery > Battery Health & Charging). Lithium-ion batteries are sensitive components and should be serviced with care. To avoid damage that could cause overheating, fire or injury, only trained technicians should replace the battery in your iPhone. Repairs performed by untrained individuals using non-genuine parts may affect the safety of the device or cause the device to function incorrectly.Royal Mail and the courier company, DPD, both offer home collection services, where they will collect a parcel from your house and deliver it to us. You don't need to even visit the post office to arrange it. If you are using these services, please make sure that the insurance covers the value of your device.

Every phone that we sell goes through over 100 automated tests to ensure that they work just as they would have when they were new. Pristine - This is the best condition we offer. All phones sold as 'Pristine' have extremely minor imperfections that are only noticeable from 30cm away, and no marks at all on the screen.When you use your iPhone, its battery goes through charge cycles. You complete one charge cycle when you’ve used an amount that represents 100 per cent of your battery’s capacity.* Find out about the charge cycles of lithium-ion batteries.