-|I'm not receiving a text or call on my mobile device|If you've successfully received texts or phone calls to your mobile device in the past, then this issue is most-likely with the phone provider, not your account. Make sure that you have good cell signal, and that you're able to receive text messages and phone calls. You can ask a friend to call or text you as a test.<br><br>If you can successfully receive text and phone messages, but you still haven't gotten the notification, you can try using a different method. You can add additional methods to your security info by following the steps in the [Change your info](#change-your-info) section. If you don’t have another method to add, you can contact your company support and ask them to clear your settings so you can set up your methods the next time you sign in.<br><br>If you often have problems because of bad cell reception, we recommend you use the Microsoft Authenticator app on your mobile device. The app can generate random security codes that you use to sign in, and these codes don't require any cell signal or internet connection. For more info about the Microsoft Authenticator app, see the [Get started with the Microsoft Authenticator app](https://docs.microsoft.com/azure/multi-factor-authentication/end-user/user-help-auth-app-download-install) article.|
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