The Android 11 install comes with some OC/Fan controls.
Swipe Down from top of screen to expose the new controls
Fan:
Auto
Stop
Cool
Strong
CPU
Auto Mode -> OFF
Jumps Around
High Mode
1416 CPU 4 Cortex A53 (CPU 1-4)
1800 CPU 2 Cortex A-72 (CPU 5-6)
Overclock Mode
1416 CPU 1-4 (4 Cortex A53)
2088 CPU 5-6 Cortex A-72
OverClockHigh
1416 CPU 1-4 4 (Cortex A53)
2208 CPU 5-6 Cortex A-72