iPhone embarrassing gliche

[iMore Question]

A random message appeared on my iphone6 screen y'day, it showed a senders name that wasn't in my contacts. When I opened my inboxes, there was no
Message to be found. Can anyone provide me with an explanation please.PW

 

[Deanig_12]

if i was you i would highly reccomend you reseting you device to factory setting as it could be someone hackin your phone

 

[pkcable]

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We really need more info! The iPhone has notifications, perhaps the message was some sort of notification, have you tried swiping down to show all your notifications? You can then click on the notification to open it in whatever app its from.