Microsoft officially admitted there was a battery drain problem on certain Lumia models only when the Windows 10 build 14379 was released. The tech giant then rolled out battery improvements for mobile devices with build 14385 and build 14393. While these fixes and improvements have reduced the intensity of the battery drain, many users are still experiencing battery issue on their phones. More specifically, it appears that only certain phone models are concerned: Lumia Icon, 930, 830, and Lumia 1520. Here’s how users describe the problem: As far as the root cause of this issue is concerned, users’ comments point to one main culprit: Cortana. the battery lasts a couple of minutes if u r taking vid or pics […] my wife has a 1520 still using 8.1 no prob my daughter has 930 using 8. no prob Many users noticed the battery drain and overheating issues began when they turned on Cortana and pinned it to the Start screen. Users then turned off Cortana and unpinned it from the Start screen, and it appears this solved the problem. They repeated the process to see if their hypothesis was right, and it turned out to be accurate. However, it is absolutely necessary to unpin Cortana from the Start screen, because if you simply turn it off, the battery drain problem persists. How can i solve battery drain with Nokia 1520? You can fix the problem simply by turning Cortana off and unpin it from the Start screen. In most of the cases, Cortana is the main reason of the battery drain. If this doesn’t help you, try using the Battery saver and turn off idle apps and services. For more information on how to do these things, follow the steps below. SPONSORED

What can I do if I have battery drain and overheating issues on Lumia 1520?

Particular solution – Unpin and Disable Cortana:

Of course, it’s possible that this workaround only diminishes the battery issue on Lumia 1520 running Windows 10 Mobile builds. If this problem prevents you from properly using your phone, you should also consider rolling back to the production OS.

Other general solutions you can apply:

Use the Battery Saver: Set a shorter duration before your screen times out: Reduce your screen’s brightness: Use a dark background: Go to Start > All apps list > Settings > > Personalization > Colors > select Dark. Turn off idle apps and services: Battery drain is a passive problem but overheating is an active problem that can cause serious damage to your hardware if you don’t take any action. Our solutions cover both issues and can improve your Lumia 1520 usability and lifespan. Share your experience with the Lumia 1520 as well as how you solved your problems with it in the comments section below.

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