Block SIM is an app to control the safe use of CHIP's mobile data.
Block SIM is an app for controlling the secure use of SIM card mobile data by the device administrator, whose main features are Blocking and Unblocking SIM SIM.
The Accessibility Service is used by Block SIM to block the SIM card and to unlock the SIM card, allowing the user to use mobile data according to the configuration performed by the device administrator.