1. Find "Profile settings"
Press the Navigation key.
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Select Messages.
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Select Settings.
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Select Text message.
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Select SIM.
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Select Profile settings.
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2. Enter the message centre number
Highlight the required profile.
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Press the Left selection key.
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Select Edit.
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Highlight the field below "SMSC address".
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Key in +35387699989 and press the Left selection key.
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+35387699989
Select Save.
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3. Select validity period
Select Validity period.
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Press Navigation key right to select Maximum.
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4. Return to the home screen
Press Disconnect repeatedly to return to the home screen.
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