O2's 5G+ network is live in 700 places in the UK, but you'll have to upgrade manually and, in some cases, change your SIM.
O2 has started rolling out a complimentary 5G+ network upgrade to all Pay Monthly customers, but you'll need a compatible phone and SIM card to access the faster speeds ...
O2 has announced that all of its Pay Monthly customers can now access 5G+ at no extra cost, provided they have a compatible ...
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