Himalayan stopped talking after the phone locked the screen. Generally, the screen lock settings are in the settings button of the mobile phone. The tutorial material here is Xiaomi max, and Android is basically the same. Apple may be slightly different. Click Settings to enter first.

To beautify the Himalayan sound, you need to open the Himalayan APP on your mobile phone, then click the plus sign in the upper right corner to select recording, and then click the beautification in the middle menu bar to select the type you want to beautify.