If push notifications are not received even when movement is detected in the locked state, the following possibilities can be considered: - Notifications may be turned off in the app settings. - Notifications for AlterLock app may not be permitted in the OS settings. - If outside the Bluetooth communication range, it may be in an area where remote communication is not possible or underground or in an area with poor radio wave conditions. - The smartphone may not be connected to the internet. - There may be disruptions or delays due to Google or Apple's notification platforms.