Forgot your phone at work and want to lock it to prevent unauthorised use? You can lock your phone remotely using a predefined text message. You can also lock the memory card remotely.
Select Settings and Phone > Phone management > Security settings > Phone and SIM card > Remote phone locking > Enabled.
Enter the text message content. It can be 5-20 characters, and both upper and lower case letters can be used.
Enter the same text again to verify it.
Enter the lock code.
To lock the phone remotely, write the predefined text, and send it to your phone as a text message.
To unlock your phone, you need the lock code.