How to stop text message (sms) preview from showing on the unlock screen

There are two ways of disabling text message preview from showing up on the unlock screen or springboard.

1. By enabling the Passcode Lock: Go to Settings>General>PassCode Lock – Once you enable the passcode it gives you an option “Show SMS Preview on/off”. Turning it Off solves your problem. Though entering the passcode again and again is a headache, you can set it to ask for passcode only after 4 hours of inactivity. This would make things smooth.

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2. Use iBlacklist – The software that we reviewed before – iBlacklist allows you to disable the sms popup in extras.

The above solution also works for how to stop your iPhone from annoyingly keep ringing 2-3 times if you don’t actively check a text message!

Unfortunately, you need to sacrifice sms preview for that.

Update: iPhone 3.0 brings a feature that allows you to switch preview and repeated alerts for messages off! Hurray

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