Poco has released the August 2021 Security Update for POCO F3 GT. Poco F3 GT had received an MIUI 12.5 update with a July security patch right after its arrival in the market. But now it is receiving security updates for the same.
It may also get the MIUI 12.5 Enhanced update soon, no confirmations yet
Poco F3 GT was released on July 26,2021 with Android 11
This update was released on 30th August, But only recently Poco users started getting the august 2021 security patch.

Credits>> Twitter user -->> Tech on Duty
Poco F3 GT came out of the box with an Android 11 update based on MIUI 12.5 and it's highly expected that Poco would get an android 12 update by the end of the year or next year based on MIUI 13.
Poco will get updates for two years of OS updates with 3-4 MIUI updates.
Once the update is available on your device, you can head over to Settings >> About Phone >> Software Update section to update your Poco device with the latest update.