- PRELOADED PREPAID: Preloaded O2 SIM Card with UNLIMITED UK Calls, Texts UNLIMITED 5G Data. - Enjoy Super-Fast 4G/5G Data Speeds with the UK's most reliable network. - Bundle lasts for 1 month from first use. Easy to renew for longer. - NO CONTRACTS: Tired of being locked into a phone contract for 24 months? Or being Credit Checked for no valid reason? Our O2 Sims have No Contracts, No Credit Checks, No Commitments, No Tie-ins No Personal ID is required. - KEEP YOUR NUMBER: Want to bring your existing number over? All you need is a PAC Code from existing network. Your new O2 Sim will then keep your old mobile number. - SPEED YOU WILL LOVE: Where other providers have "unlimited" data that's actually being throttled - we don't! Our 5G Preloaded O2 Voice Data SIM provides 100%.
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