If your phone is locked to Vodafone and you try to use a SIM from another operator, the screen will tell that your SIM is invalid.
Solution: To use a SIM from another operator, you need to get a Network Unlock Code to have your phone unlocked.
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*Annual Price Increase: The monthly cost will increase each year on 1 April by £2.50 for Pay monthly plans with Airtime/Data, and £3.50 for Home Broadband plans. This doesn't affect Device Plans. More information: vodafone.co.uk/pricechanges
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