The text Enter Password To Unlock 30/30 Attempts Remaining is related to a security measure that is applied to devices and accounts. This is pretty much a familiar issue among users of password-protected devices. In this case, the message you receive is warning you that you have entered the wrong password severally and consequently have been locked out of the account or device for some time. If you cross this number, then your account is likely to be locked or temporarily suspended. This mechanism is generic and applies to different devices such as smartphones, and various online accounts.