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O2 Discount Codes in November 2025
O2
O2 offers a wide range of flexible mobile plans designed to keep you connected.
Browse all discounts, vouchers, and promos from O2
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£30 off the upfront cost of any phone
Exclusive
iPhone 16 128GB - £31 per month, 100GB Data, £29 Upfront Cost
75GB SIM for £9 per month
8% off
£11 a month, 50GB, 12 month contract, unlimited calls & texts
£6 a month, 10GB, 12 month contract, unlimited calls & texts
£20 a month, unlimited data, 12 month contract, unlimited calls & texts
£5 a month, 3GB, 12 month contract, unlimited calls & texts
12GB SIM for £6 per month
£10 a month, 70GB, 12 month airtime plan
£8 a month, 35GB, 12 month airtime plan
50GB data and roaming in 50 destinations for £5 a month
Get a £35 Amazon Voucher on iPhone 16 £29.99 per month, iD Mobile, £39 upfront & 100GB of data
Get a £70 Amazon voucher when you purchase the New Samsung Galaxy Z Flip7
Get a £70 Amazon voucher when you purchase the New Samsung Galaxy Z Fold7
Apple iPhone 16 5x Data Boost to 500GB Data for £29.99 a month and £39 upfront
Exclusive
