Since the earlier version of the firmware had a few issues with its stability, updating to the latest one might solve problems.
The latest firmware version can be checked here.

To check your device’s firmware version

1. Open AlterLock App
2. Tap [Device Settings]
3. On the “Device” section, you will see the firmware version written

To update to the latest firmware

1. Open AlterLock App
2. Tap [Device Settings] > [Device]
3. Go to the “Device Information” section and tap [Firmware Update].
4. The firmware update should take about a minute to complete.

Rebooting the device

Press and hold the button on your AlterLock device for at least 10 seconds. *The reboot should take a few seconds, however, it may take up to 20 seconds for your smartphone to find your device and reconnect.

If the problem persists, there may be a problem with the settings or status of your smartphone. Please follow the steps below to check.

For iPhones…

1. Depending on your iPhone, either double tap your home button or swipe up from the bottom of the screen and pause while still pressing the screen to open the App Switcher.
2. Once the App Switcher comes up, swipe left or right through the different app cards to find the AlterLock app.
3. Quickly swipe upwards to close the app and then restart the app.

For Androids…

*If you are using Android, you may need to disable the power saving function.

1. Remove the AlterLock device information from the Bluetooth settings if it is still there.
2. Check your "Recently used apps list", and swipe the AlterLock app to the left or right to close it then restart the app again.

The pairing information may be lost in rare cases due to OS updates. In that case, please "Release (or Forced Release)" the device and register the device again.

1. Open AlterLock App
2. Tap [Device Settings] > [Device]
3. Go to the “Release Device” section and tap [Release] or [Forced Release]
4. After this process is done, please reboot your phone and reboot the device again to see if they pair up again.