Realme C21 and X2 Pro receiving the November 2021 security update

Realme has started sending the November 2021 security update to Realme C21 and Realme X2 Pro. It is currently rolling out in India and should expand to other regions in the coming days, where the devices have been launched.

The November 2021 software update for Realme C21 was announced through a Realme community post. According to the changelog mentioned there, the OTA update brings the Android security patch level to November 2021. It improves system security and privacy by fixing a bunch of known vulnerabilities. Additionally, the update optimizes system performance and system stability for a good user experience.

Realme X2 Pro, on the other hand, is also receiving the November 2021 security patch via the new OTA update. As mentioned in the changelog, Realme has fixed the problem where the device automatically restarts while receiving Voice Call over WhatsApp. The update also fixes the notification bar issue where it does not adapt to dark mode in some cases.

Realme C21 November 2021 software update

Realme C21 and Realme X2 Pro users in India have started picking up the November 2021 software update. As always, it is rolling out in a staged fashion. So, the update may take a couple of days to reach all the units. Meanwhile, you can manually check for the update by navigating to Settings >> Software updates.


  • Realme C21
  • Realme X2 Pro


  • India

Firmware versions:

  • Realme C21
    • RMX3201_11.C.04
  • Realme X2 Pro
    • RMX1931_11_F.14


[Realme C21]

  • Security
    • Android security patch: November, 2021
  • System
    • Optimized the system performance
    • Optimized the system stability

[Realme X2 Pro]

  • Security
    • Updated Android security patch: November, 2021
  • System
    • Fixed the problem of phone, automatically restarting in some scenarios while receiving Voice Call over WhatsApp
    • Fixed the problem of notification bar not adapting to Dark Mode in some scenarios

[source 12]

Vicky Kumar
Vicky Kumar
Vicky Kumar is a close follower of tech especially when it comes to smartphone. He is passionate to write about the new updates in technology. When he is not working, you'll find him watching cricket highlights or surfing the web.

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