If i take a call it records OK both ends but very faint to hear caller. Using mode 12 all others don't work at all
Also if I switch to loud speaker during the call I can hear them but they cannot hear me at all i have to end the call as cannot go back to call they still can't hear me.
I use default settings as instructed but nothing changes.
Your phone has bugs in the ROM. No matter what recorder in the market you are using the problem is always there.
If you don't root the phone, you have to wait for the manufacturer to fix it in future ROM updates.
If you root the phone, Boldbeast Recorder can fix it at once. Please enable the "Change Audio Control" option in the app, then you'll record calls perfectly in two directions. The option is visible only after you root the phone.