Most smartphones will allow you to switch your data on or off.
For step-by-step instructions, find your phone in our device help page
If you’re switching your data off because you’re worried about roaming, remember:
• You can use your UK data allowance in your inclusive roaming destinations
• You can easily track your usage, add an data Extra or bar on your account in the My Vodafone app
• We’ll text you when you’re approaching your data allowance limit, then again when you’ve exceeded it.