Why the sound(loudspeaker/microphone/receiver) is so weak in my phone?
Please enter engineering mode(press *#*#3646633#*#* on dial) to modify some settings.Find the option “Audio”,you can see many sound option,such as “Headset mode” “Loudspeaker mode” “Speech enhancement”.Choose one of them according to your need and modify the value to a higher one.Notelease do this carefully and do not change other setting,we are not responsible for damage caused by change setting arbitrarily. https://www.doogee.cc/category/FAQ/2
Thanks for the info. I tried this already but none of the available options relate to the microphone.
options are: Receiver, HAC, Headset, Headphone, Speaker, Headset (5pole), Headset (5 pole+anc), TTY, Lpbk_handset, Lpbk_headset, Lpbk_handsfree