Samsung galaxy mega 5.8 (GT-I9152) Cyanogenmode CM13

Please try to use these settings in Boldbeast Recorder to record calls:
- Record Mode: test 21, 22
- Tune Audio Effect: No
- Tune Audio Route: Group3
- Tune Samsung1: Yes
- Tune Samsung2: Yes
- Tune Samsung3: No
- Change Audio Controls: No
- Change Audio Driver: Yes

Or use these settings:
- Record Mode: 1
- Tune Audio Effect: No
- Tune Audio Route: Group3
- Tune Samsung1: Yes
- Tune Samsung2: Yes
- Tune Samsung3: Test Group1, Group2, Group3, Group4, Group5, Group6 one by one
- Change Audio Controls: No
- Change Audio Driver: No

How about it?
If it doesn't work I'm afraid there is no solution in the market for the third-party ROM. The phone uses the Broadcom chip that is not popular, so the ROM developers and recorder developers all know little about it.

However users said GT-I9152 stock ROM works well.