The latest software update for Realme X2 is currently rolling out in India. According to the Realme community post, the update comes bundled with the firmware version RMX1992AEX_11.F.23. In addition to the August 2021 security patch, the new OTA update fixes an issue where “the screen would not turn off when you lift the phone to your ear during calls”. It also brings improvements to system stability and performance that result in a better user experience.

As usual, the new software update is rolling out in a staged fashion. It means that the update will initially reach a limited number of users, followed by a broader rollout in the coming days. To manually check for the new update, navigate to Settings » Software updates.

Realme X2 August 2021 security update changelog:

Security Updated Android security patch: August, 2021 System Improves system stability and performance. Sensor Fixes an issue where the screen would not turn off when you lift the phone to your ear during calls.
Realme X2 bags August 2021 security patch update - 79