Disable the “Scan before installing” feature of Xiaomi, Redmi devices (if your device is another model (Samsung phone), you can skip this step)
For Xiaomi and Redmi devices: Before installing the TheTruthSpy app, the phone Security app will scan through to check if it is a spy application or not. It will then automatically uninstall to avoid phone spying. So we need to turn off the Scan before installing the feature before installs to be able to install TheTruthSpy.
You can disable it by following the steps: