How to Use BLUBOO S3 Surf the Internet Without SIM Card & WIFI

After updating to Android 8.1, BLUBOO S3 has an exclusive function to unlock. This function is called V-SIM, implemented by an app, SIMO. To activate this function and enjoy surfing the internet without SIM card & WIFI, you just need to follow the simple steps in the video.
Click here to download the tool you need and check detailed text instruction: