1

Thanks to Remigio Ruberto, he shared with us following settings:

Record Mode: 1
- Tune Samsung 1: No
- Tune Samsung 2: No
- Tune Samsung 3: No
- Tune Audio Route: Group3
- Change Audio Controls: Yes
- Change Audio Driver: Yes
- Start Input Stream: Yes

These settings work great for Galaxy S4 GT-I9505 Cyanogenmod CM12 Nightly. Root is needed.

2

Galaxy S4 GT-I9505 Lollipop: Galaxy S4 GT-I9505 Lollipop Call Recorder
Galaxy S4 GT-I9505 CM12: Galaxy S4 GT-I9505 CM12 Call Recorder