Vodafone UK seems to have finally sorted out its customer service issues

UK telecoms regulator Ofcom has published its latest customer complaints numbers and they indicate Vodafone has finally sorted out its customer service.
In Q3 2017 Ofcom received ten complaints per 100,000 users for Vodafone. That still makes it the most complained-about UK operator but only just ahead of BT, TalkTalk and Virgin Mobile. The bad news for Vodafone is that it still has a way to go to get down to the level of the other MNOs, all of which got three complaints per 100,000.
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