Using Diag Port Code (Dial Number) [B.] Terminal Emulator App (APK) [C.] ADB Command Method A. Dial Number Open the phone dialer app and type *#*#717717#*#* to enable. Now, you have Enabled Or Disabled Diag Mode on Qualcomm device. If this does not work, then try the second method. Drag your phone down to notification mode ... Look at the top right corner ..you'll see an icon like contact or if you've added a pics to your profile just click on it an you should be good with your main account. Thanks. I tried it but I didn't see the feature. I carefully navigated the settings and I've fixed it.