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@Menion Do you see a solution to the problem here? Do you have any ideas?

Unfortunately, this option does not work. I have tried enabling/disabling all features:
GPS and sensors > Use true bearing
GPS and sensors > Comatibility mode
As well as calibrating the compass every time. There is still a large discrepancy in degrees between the map and the azimuth to the second point. These difference values are a minimum of about 7 degrees, a maximum of about 30 degrees of error and inconsistency.
How to solve this problem?

Where does the error lie?  What am I doing wrong? Why are LocusMap maps showing the wrong azimuth?
   
I am standing on a hill, LocusMap shows to the second hill azimuth in a straight line of 250 degrees.  The compass in LocusMap shows a different azimuth - to the second hill as much as approx. 263-282 degrees. Smartphone is level vertically and horizontally. The compass built into the smartphone's firmware shows the same value as the compass in LocusMap. I aim through the magnetic physical compass in my hand and it shows the same value as the smartphone's compass. Why are LocusMap maps showing the wrong azimuth? The difference varies from 10 to 25 degrees of azimuth despite accurate aiming.

LocusMap Silver 4.21 (offline openstreet map - www.openandromaps.org)
GPS excellent signal (Glonass, Baidu, Gps).
Xiaomi Note 10 PRO smartphone
Physical compass on the hand made in Ukraine
OruxMap app also shows a different azimuth on the map to the destination than the built-in compass