I already follow the link for terminal in this link https://infocenter.nordicsemi.com/index.jsp?topic=%2Fsdk_nrf5_v16.0.0%2Flib_cli.html&cp=6_1_3_10_3&anchor=lib_cli_terminal_settings .
From android apps sent message to mcu the message is not display in putty. While when sending from mcu to android apps it display this weird character.