Investigation: Battery consumption on Lumia Icon, 930, 830, and 1520

We’re aware and investigating reports of users saying battery life consumption is much higher than expected on the following phone models: Lumia Icon, 930, 830, and 1520. 

To help aid in our investigation, we’d like to collect some additional logs from some impacted users. If you’re running build 14366 or greater on the Insider Fast ring and have one of the phone models mentioned above, please follow the steps below. 

Setting up Field Medic app:

  1. Download and install the Field Medic app from the Store.
  2. Launch Field Medic app.
  3. Tap Advanced > Choose which ETW providers to use.
  4. Deselect all options except for "Power_ScreenOff" and “UxAppPlatform”.
  5. Return to the advance page, and tap on Configure system log and crash dump options
  6. Enable Include power logs.

Using Field Medic app:

  1. Ensure that all apps which are known to be heavy battery users, like camera, navigation, games etc are closed.
  2. Launch the Field Medic app, and tap Start Logging.
  3. Navigate away from Field Medic and use your device per normal for about 20 minutes to an hour.  
  4. Once complete, go back into Field Medic and tap Stop Logging.
  5. Now Field Medic will take some time to generate and collect all the necessary logs. Once the collection is complete, a dialog will appear for you to enter some basic information about your logs. Fill in the report title and repro steps. Tap the Save icon to save the report locally.

Finding and delivering the logs:

  1. Please provide us with the zipped logs that are stored on the phone under the folder Phone > FieldMedic (accessible with a PC) with a description of anything that the investigation teams may find useful.
  2. Let me know when you have logs ready and I’ll reach out via a Private Message for collection from several of you. 

And, as always, thank you!

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Mike,

I have the Zip file ready for you. My phone is the Lumia Icon running build 10.0.14367.0 Version 1607

Chip SoC version 8974

Ray

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I have the Zip file ready for you.

My phone is the Lumia 1520 rm-940

 running build 10.0.14371.0 Version 1607

Chip SoC version 8974

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Thanks! Private Messages sent. 

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Mine is ready aswell.

Lumia 930

10.0.14372.0 version 1607 (this build drains worse than the others!)

Chip SOC is 8974

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I tried to make a zip file, but with all the settings provided i get "an error" from the Field Medic app :(

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When I started the Field Medic I also saw a "an error". I disregarded the error and It did collect the logs.

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Lumia 640 also high drain. 60% loss overnight with update 14372.

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Lumia Icon (929)

Version:1511

OS Build: 10.010586.240

Firmware rev: 02540.00019.15024.38022

Chip SOC: 8974

 Not sure which app triggers the battery devour mode, but when it occurs, I notice the wifi "upload" symbol appears almost constantly, and the same symbol {upload} is als showing on the cell radio icon as well.  My  phone will go from full charge to dead in about one hour and get extremely warm when this occurs.   After a power off restart, the draining process seems to start after receiving or sending a text message.

I have the Verizon released update, not the insider.

My log file is ready, Thanks.

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My zip file is ready Lumia 930

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UPDATE: On a lark, went to store, where I saw 28 app update available. Installed all and problem is much less noticeable. Will continue to monitor and update post.

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Last updated January 25, 2019 Views 2,175 Applies to: