- Disconnect modem first
- Download and Install Driver USB Prolific for PL2303 Mac OS X
- Reboot Mac
- Install Homebrew
- Type below command :
$ brew update
$ brew install cmake
$ brew install gammu
after success and no error happen, connect your modem now, and type this command:
$ ls -la /dev
- find Modem TTY for your modem, or like mine with this command
$ ls -la /dev | grep tty.usb
crw-rw-rw- 1 root wheel 36, 6 Nov 18 19:51 tty.usbserial
- Modem TTY is tty.usbserial you will need this, so remember or copy it on text editor for next step