Contact Customer Service

Why should I report an Issue with Mobile Secret Codes - MMI USSD?

1. AppContacter will directly Email your issue/feedback to an apps's customer service once you report an issue and with lots of issues reported, companies will definitely listen to you.
2. Pulling issues faced by users like you is a good way to draw attention of BrainStorming to your problem using the strength of crowds.
3. Importantly, customers can learn from other customers in case the issue is a common problem that has been solved before.

1. when u have no service.. just wifi.. Tony the tiger.. app.. and what does tony say.. "there Great"..helped me find out if you don't know what you are doing then don't play with system setting.

2. works great for me now that I know how to use the codes and im not screwing with things i don't understandI don't understand how it's going to speed up my phone.

3. Just useless codes.none of the cores worked at allIts really useful app for techniciansGreat app.

4. I coulda used some of these codes to jailbreak easier but it only leads to emergency only notice.

5. Very inaccurate with codes also.thumbs up.

6. does not work without service.

7. damnApp isn't useful with all phones.

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

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

2. Fix Server issues & Internet Connection

1. Check network connection: An unstable Internet will make 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 not working. Make sure all VPNs are off
3. Enable background data: When Background data is turned off, may not be able to connect to the Internet when running in the background.