A. Please use HDD update song service.
- If machine purchase during 2017, you need to use HDD update service. If your account hasn't been activated, we will activate your account (Free 1 year Cloud Download) after HDD update service.
- Request RMA for HDD update: click here
Review our Policy on Section C for more details: https://bmkaraoke.wordpress.com/bm-4000-registration/#004
B. Download firmware & update by yourself
User can update firmware by themselves to avoid using HDD update service. Follow this instruction on Firmware update.