On September 16, 2026, timexiaomi reported that Xiaomi had opened third-batch HyperOS 4 beta enrollment for the Redmi K80, Mix Flip 2, Pad 7 Ultra and Pad 7S Pro 12.5. It advises checking for the update through Settings > About > Tap Version. It also warns of battery drain or heating, which it says should normalize in one to three days.