The calibration never worked for me and seller refunded my money but here is how I fixed it, my theory was whoever painted the wheels randomly shoved the tpms into each tyre, which is fine if you do not have a display to give you pressure readings because if the tpms light came on you would need to check all 4 corners anyway. But the tpms would originally be registered to each corner correctly so when you add a display you would find some corners display incorrectly.
In my case 3 corner's were incorrect.
FL-RR
FR-RL
I had to fix in in 2 phases.
Phase 1 swap rear tyres around:
FL-RR
RL-FR
Now left side is fixed.
Phase 2 wait to replace all 4 tyres, then ask the tyre guy to swap the tpms on right side from front to back.
RL-FR
FL-RR
This is how I corrected each tyre corner.
Now I know which tyre has incorrect tyre pressure at any given time.