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Infinix NOTE 40 XOS 15 Update

XOS 15 Issues: Infinix Rolls Out System Update to the NOTE 40 Series

Posted on 16 May 202516 May 2025 by Paul Gwajime

Infinix has rolled out a new support update to the NOTE 40 series, aimed at fixing several bugs reported after the recent upgrade to XOS 15-Android 15 update.

This firmware update is 96.23MB in size and might go north of 100MB for other NOTE 40 variants, It addresses most of the issues that came with the Infinix XOS 15 update.

However, the availability of this OTA update may vary by region and model variant, and might even take a few days to reach all devices.

Table of Contents
  • What's New in the NOTE 40 Series Update?
  • How to Check for the Update
  • What Happens After the Update?

What’s New in the NOTE 40 Series Update?

Shortly after the Infinix NOTE Android 15 update, some users reported glitches that ranged from excessive battery drain to app crashes, and sluggish response from the on-screen fingerprint sensor.

Infinix NOTE 40 Android 15 Bug OTA fix
Infinix NOTE 40 Android 15 Bug OTA fix

Infinix did not disclose the full technical changelog, but feedback from users suggests that the latest patch has fixed most of the reported issues. These include:

  • Improved Android Auto Audio music quality
  • System Stability Improvements
  • Optimized Performance
  • Battery Optimization and Background App Management fixes
  • Other fixes.

How to Check for the Update

Kindly ensure that your smartphone has at least 50% battery juice before proceeding with the OTA upgrade

  1. From your NOTE 40, go to the Settings
  2. Scroll down and click on System
  3. You will see another System, click on it.
  4. Now, click on System Update and then follow the on-screen instructions.

What Happens After the Update?

After installing the new update, ensure to do the following:

  • Restart your phone to ensure all optimizations take effect
  • Since this isn’t a major update, give your phone 2-3 days to recalibrate battery stats and background processes.
  • Also, ensure to update all your apps via the Google Play Store to ensure compatibility with the new version of XOS.

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Related:

  • Common Issues and Solutions for Infinix NOTE 40 Series
  • 34 Common Infinix Phone Problems and Solutions
  • 10 Reasons Why You Should Buy the Infinix ZERO Flip

3 thoughts on “XOS 15 Issues: Infinix Rolls Out System Update to the NOTE 40 Series”

  1. Nathaniel Israel Defeo Mallorca says:
    16 May 2025 at 18:39

    Infinix note 40 pro plus charging speed become so slow after the Android 15 update. Even if its already in hyper charge. Kindly fix this issue. Thank you

    Reply
    1. Paul Gwajime says:
      17 May 2025 at 00:00

      Kindly give your device a week to allow it calibrate. If it doesn’t work, use the steps mentioned in this article to fix it.

      Reply
  2. Jayvir says:
    17 May 2025 at 16:44

    Same with my infinix note 40 pro plus 5g, after the update i noticed that charging becomes so slow that it takes 1 or 2 hrs for it to full charge. Hopefully infinix fix this charging speed issue

    Reply

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3 responses to “XOS 15 Issues: Infinix Rolls Out System Update to the NOTE 40 Series”

  1. Nathaniel Israel Defeo Mallorca avatar
    Nathaniel Israel Defeo Mallorca
    16 May 2025

    Infinix note 40 pro plus charging speed become so slow after the Android 15 update. Even if its already in hyper charge. Kindly fix this issue. Thank you

    Reply
    1. Paul Gwajime avatar
      Paul Gwajime
      17 May 2025

      Kindly give your device a week to allow it calibrate. If it doesn’t work, use the steps mentioned in this article to fix it.

      Reply
  2. Jayvir avatar
    Jayvir
    17 May 2025

    Same with my infinix note 40 pro plus 5g, after the update i noticed that charging becomes so slow that it takes 1 or 2 hrs for it to full charge. Hopefully infinix fix this charging speed issue

    Reply
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