Which methods of contact did you use to complain to your mobile network provider?
Other statistics on the topic
Customer complaints against banking services in the UK in H1 2019, by company
Complaints opened against Nationwide Building Society products in the UK in H1 2019
Complaints against HSBC Bank filed in the United Kingdom (UK) in H1 2019
Complaints filed against Aviva Life Services UK Ltd in the United Kingdom H1 2019
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