This is a life-saving software! You can set two kinds of screen unlock pattern:normal unlock pattern and SOS unlock pattern. When in danger, use SOS unlock pattern to unlock the screen, the software will send a alarm SMS to the emergency contacts in the background, also there will be a vibration to remind the user it has go into the emergency state. After receiving the warning message, emergency contacts can send the command SMS to query the current location of the user. It's a necessary software for business trip and traveling~

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