Realme has fixed the occasional green flash issue on the screen which was occurring when taking photos with the front camera. Also, the update fixes the keyboard flicker issue when exiting the edit mode from the search pages and fixes the “No File” icon display issue at the correct location. The new OTA update bundles with improvements to system performance and stability.  The June and July 2021 security patches coming with the new update fixes dozens of system security and privacy-related vulnerabilities to enhance the system security. As always, the new OTA update for Realme X7 is rolling out in a phased manner, which means that it will initially be rolled out for a limited number of users and then a broader rollout in the coming days. Meanwhile, you can manually check for the latest update on any Realme phone by heading to Settings » Software updates.

Changelog:

Security Updated Android security patch: June & July, 2021 System Improves system performance and stability. Camera Fixes an issue where the screen would occasionally flash green when taking photos with the front camera. Keyboard Fixes an issue where the keyboard might sometimes flicker when you exit the edit mode from the search pages. File Manager Fixes an issue where the icon for “No files” on the Recents page might not be displayed in the right place.

[source]  

New update for Realme X7 brings June July 2021 security patches and camera fixes - 21