If FlexiSPY is still installed on the phone:
1. Send the below SMS command from your mobile phone to the target device
<*#14144><License Number><D>

IMPORTANT - This command may appear on the target device, so it is recommended that you have physical access to manually delete the command message from the inbox
2. If the activation is successful, the below command should appear on the target device
[5009 5.x.x][14144][] OK
Activation success. Nice!
3. Delete the SMS commands visible on the target device
If FlexiSPY has been deactivated and uninstalled:
1. You will need to reinstall FlexiSPY. Follow the installation guide available in your portal:
- Log in your portal
- Go to Help > How to Install
- Select your target device and follow the steps provided