A phased deployment will see 5G coverage extended across Guernsey over the next four months.
Telecoms infrastructure firm MBNL say a central location in Keighley is needed to ensure a good 5G signal.
Customers of various phone companies could not use their phones due to a damaged mast at Wyke.
Sunderland City Council is due to consider the application to upgrade a rooftop station.
The monopole would be installed on Hospital Fields Road, off Fulford Road, if approved.
Competition regulators are pleased customers switching providers can now keep their mobile numbers.
A deal has brought forward the date for technical work so customers can keep their number.
The industry is promising that 90% of populated areas will have 5G coverage by 2030.
A 5G mast on Bittams Lane in Ottershaw was set on fire, authorities said.
