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1. This feature was available with my last call block app (which isn't compatible with my new phone) making the addition to the block list super easy and quick.

2. Lately it's worse because, as others have said, it's now saying I have the Lite version because I'm not using a carrier on the approved list, which I still am and have been on the entire time I've had the Call Detector app.

3. What has changed? Did you recently do an upgrade that has messed up the functionality? I hope the problem is fixed soon.I have used this app for a number of years, without issue, however, when I updated to Android 11, it no longer works as it once did.

4. A week ago, I transferred my phone number and service to another Tracfone phone, exactly the same make and model and roughly the same age (about two years old).

5. It's been good the past few to several years although I wish it would stop calls from getting through, period, or from leaving messages.

6. If they don't fix this problem soon, not sure it's worth havingIt does a good job of detecting calls, not perfect but plenty good enough.

7. An update: the feature which allows you to block area codes does not work.

8. Suddenly it's no longer working! It keeps saying that I have to give permissions, but I've given all available permissions listed within the app.

9. Now it works perfectly.Update: I deleted this app because it kept crashing and wanted too many permissions.

10. Uninstalling it from the older phone, then restarting and re-installing on the phone I'm using now also made no difference.

11. One feature I can't get to work, tho, is "Lookup any number." When I attempt to use it, the app crashes.

1. Fix CallDetector Not Working/Crashes/Errors/Unresponsive & Black/White screen:

1. Restart CallDetector: Restarting the app will resolve most errors.
2. Update the CallDetector App. Here is how:
   1. On Android goto PlayStore » Search for "CallDetector" » Open CallDetector » click "Update".
   2. On iPhone, goto AppStore » Your profile » Available Updates » Check for CallDetector » click "UPDATE".
3. Clear CallDetector app cache: Clearing cached data will force your app to retrieve the latest data directly from CallDetector servers.
   1. On Android, goto Settings » Apps » Select "CallDetector" » click Storage » click "Clear Cache".
4. Check CallDetector app permissions. If any of these permissions required to use your device's features are disenabled, CallDetector might not work.
5. Uninstall and reinstall CallDetector. If nothing else has worked, completely uninstall CallDetector then reinstall.
6. Restart your device. Last, restarting your device can often clear most problems causing CallDetector not working

2. Fix CallDetector Server issues & Internet Connection

1. Check network connection: An unstable Internet will make CallDetector be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
2. Disable VPN: VPN can cause connection errors and lead to CallDetector not working. Make sure all VPNs are off
3. Enable background data: When Background data is turned off, CallDetector may not be able to connect to the Internet when running in the background.