A promise to end rural 'not-spots' can't come too soon for Sian Davies. She moved to Rossett, north-east Wales, with her husband this year - and the lack of mobile coverage has been "a real bug bear".
"The signal is almost non-existent," she said. "If I want to send or receive texts, I have to go upstairs in my home," she said.
She's not alone. Currently one third of the UK has patchy or non-existent mobile phone coverage.