A. Ensure that your device's operating system is up to date. Go to 'Settings', then 'System', and check for any available updates. Keeping your OS updated can help improve app stability.
B. Try clearing the app's cache and data. Go to 'Settings', then 'Apps', select BlockerX, and tap on 'Storage'. From there, select 'Clear Cache' and 'Clear Data'. Note that clearing data may reset your settings.