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May 2021 security update expanding for Huawei P40 series smartphones



Huawei P40 series

Huawei has started expanding the May 2021 security update for the Huawei P40 series smartphones in the overseas market to enhance system security and a better user experience.

Last week, Huawei has pushed this security improvement for P40 device users in Europe. According to the information, it fixes 3 critical, 10 high, and 4 medium levels of CVE and also thrash out the 13 hidden privacy issues.

Adapting models:

  • Huawei P40
  • Huawei P40 Pro
  • Huawei P40 Pro+

Thanks to the tipster for the information: Tamil G

New EMUI Version details:

Huawei P40 smartphones users can upgrade with the latest EMUI 11 version (C636E5R4P3). To be mentioned, it comes with an update size of 299MB.

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Huawei P40 Chinese models status:

In mainland China, Huawei is somewhat busy with HarmonyOS 2.0 beta testing program but simultaneously delivering security patches for eligible devices. However, the flagship models on EMUI software system are still working with April 2021 security update.

Meanwhile, the global user has started installing the May 2021 patch. For more information, the top smartphones including the P40 series already installed stable HarmonyOS 2.

Moreover, the HarmonyOS 2.0 has its own security patch just like Android. So, there are possibilities that these smartphones maybe prioritize the installation of the HarmonyOS security patch released in July 2021, especially in China.

Huawei P40 Pro

Important notes:

  • The device must have a better battery backup to install this update that is a minimum of 50%.
  • It’s compulsory to check your storage availability(Internal/External SDcard) to download the latest update as per the size required
  • A strong WiFi/mobile data connection is required for a buffer-free download of the package.


Download via Settings:

  • Open Settings
  • Click on the System & Updates
  • Open Software update
  • Tap on Check for updates option
  • If an update is available, click on Download and install
  • After installation Reboot the device

Download via Support app:

  • Open the Support app on your device
  • Go to the Service tab
  • Click on the update button
  • Tap on Check for update option
  • If an update is available, click on Download and install
  • After installation Reboot the device

Also, check:

HarmonyOS July 2021 security patch details for smartphones released

Amy is our firmware and software specialist, she keeps her eagle eyes open for new software rollouts, beta programs, and other software related activities as well as new smartphone launch.