changing to £5 a month big bundle

[JBM2]

How do I move to a £5 big bundle?

[MI5]

@JBM2 

Only available by invitation from O2.

Call 4445 and ask.

[Oxonian]

@JBM2 

Please see :-

Big Bundles: Eveything you need to know – Help and Support | O2

https://www.o2.co.uk/help/pay-as-you-go/big-bundles

In particular :-

Joining Big Bundles

If you're new to O2, you'll need to pop into an O2 store or order online to get a free Big Bundle sim.

If you're already on Pay As You Go, text one of the following free to 21300:

Big Bundles

• BIGBUNDLE5 for the £5 tariff
• 10DATABB for the £10 tariff
• 15DATABB for the £15 tariff
• 20DATABB for the £20 tariff
• 30DATABB for the £30 tariff

Or you can choose a Big Bundle in My O2.