Sony Xperia 10 III

1. Find "Voicemail number"

Press the phone icon.

1. Find "Voicemail number"

Press the menu icon.

1. Find "Voicemail number"

Press Settings.

1. Find "Voicemail number"

Press Voicemail.

1. Find "Voicemail number"

Press Advanced Settings.

1. Find "Voicemail number"

Press Voicemail settings.

1. Find "Voicemail number"

Press Voicemail number.

2. Save voicemail number

Key in +447836121121 and press OK.

3. Return to the home screen

Press the Home key to return to the home screen.