Unable to trust/verify apps

I have an iPhone 6 iOS 10.2, and for about an hour or 2 I haven't been able to verify apps. The usual process of settings>general>device management doesn't allow me to verify my apps. I use the TutuApp to use Instagram++ because the normal Instagram app doesn't allow me to sign in, but earlier I couldn't open the IG app and it gave me the "this app isn't trusted" thing so I went into my settings to trust it but it wouldn't allow me to. Everytime I clicked verify it did nothing. And now I can't even download the TutuApp again, when it installs the app blacks out and a pop up says it can't be downloaded. Is there any help or fixes to this? Or are the Apple servers down??

Did you manage to fix it

I am getting this same error on our app. Seems to be new. Was working a week or so ago, and when we went to reinstall, on some ipads it won't install. On the ones that it was installed on, it won't verify.

I have the same problem

335/5000








With my experience. I think you have 3 cases:
1. Your device is defective - Take the device to a repair shop.
2. Your low operating system (ios) does not meet the application - Upgrade your operating system.
3- If both of these cases, this application fails - Please reload the application on reputable links and use.


Unable to trust/verify apps
 
 
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