Realme started rolling out the September 2025 month software update for the Realme GT 6T. This time the company is not only providing general improvements, fixes, and new security patches; the update brings some surprise changes as well.
A new feature is unlocked following the September 2025 update in BGMI for the Realme GT 6T. Now the device is ready to play BGMI at 120 fps after the September update. Many users are appreciating Realme for this update, as it brings smoother gaming for gaming enthusiasts.

The update is rolling out with new firmware version RMX3853_15.0.0.1200(EX01), and the update package comes in a big size of over 1GB. The update is currently rolling out in the Indian region.


Along with 120 fps BGMI support, the update also comes with system optimizations and fixes to offer stable performance of the device. Further, the latest September 2025 Android security patches also boost the device’s security.
The latest firmware takes time for gradual rollout; as for security, the company releases it in small batches first. If the update notification does not appear, Realme users can manually check software update availability by navigating to Setting » About device » Realme UI version banner » Update and install (once available).

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