Say "Hello" to Bubl, your little blue robot buddy. Smart. Reliable. Everywhere. Just like O2 - the UK's No.1 Network. | By O2 | Facebook
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O2 on Twitter: "A massive thank you to those who contributed to our two 2022 @UswitchUK award wins 🏆 Most Popular Mobile Network (public choice) Best Network for Roaming (judges' choice) It
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