EE has apologised for signal problems affecting some of its 27 million customers.
A technical issue stopping some customers from making phone calls, texting and using the internet has still not being fully resolved since yesterday evening.
An EE spokesman said:
"A technical issue has been causing some of our customers to experience problems with their signal.
"This issue has been resolved for many of those affected, and normal service for all customers should resume shortly.
"We apologise for the inconvenience caused to our customers."
More top news
The Cursed Child opens in London on Saturday and will immediately be followed by the midnight release of the play's script book.
A dry and fine weekend for most, with scattered showers and heavier downpours in Scotland.
Floods are an annual occurrence in parts of India during the monsoon season, which runs from June to September.