A Manchester resident has been confined to his bathroom for six hours after a routine router firmware update rendered every smart device in his three-bedroom semi-detached house entirely useless.

James Pemberton, 34, entered the bathroom at 7.42am on Tuesday. His Nexus Pro Smart Lock, which replaced a perfectly functional Yale lock in February, has since refused to recognise any command. The accompanying app now displays only a spinning wheel and the message “Optimising your security experience.”

“I’ve tried shouting at it,” Pemberton told reporters through the bathroom window. “I’ve tried the manual override, but that requires a physical key I was assured I’d never need. It’s in a drawer somewhere. Probably the kitchen.”

The bathroom itself has become actively hostile. Pemberton’s SmartReflect Mirror, which cost £340 and was purchased to display weather updates he could easily get from looking outside, is now playing whale sounds on a loop. The volume controls are non-responsive. The skip function directs users to a YouTube tutorial that is seventeen minutes long.

“We’re aware of some minor connectivity issues affecting a small number of users,” said Helen Cartwright, communications director at Nexus Home Solutions. “We recommend customers try disconnecting their devices from the mains, waiting ten seconds, reconnecting, downloading the latest version of all associated apps, ensuring their router firmware is current, and then factory resetting each device individually.”

She added that the process typically takes between forty minutes and three hours per device.

Pemberton’s Pristine Plus Smart Toilet has locked itself in Guest Mode, a setting that limits flush strength to conserve water when visitors use the facilities. It can only be disabled through the mobile app, which requires authentication via the Smart Lock. The toilet’s customer service line offered Pemberton a firmware rollback, but this requires physical access to a recessed button behind the cistern.

His smart shower has set itself to 14 degrees. His smart radiator has interpreted the router update as the beginning of British Summer Time and switched itself off entirely. His smart scales have started addressing him as “Sharon.”

“The Yale lock cost thirty quid,” said Pemberton’s neighbour, Andrea Walsh, who brought him a Meal Deal through the window at lunch. “It opened when you turned it. That was the whole thing. You turned it, it opened.”

Pemberton’s partner is currently in Berlin on business. She is expected home on Thursday. The bathroom window is too small for him to climb through, a design feature Pemberton now describes as “absolutely bloody typical.”

At the time of publication, his smart doorbell had begun recording video in portrait mode and uploading it to someone else’s cloud storage account. His smart kettle was sending him push notifications about limited-time discounts on compatible tea pods.

The front door remains locked. The bathroom door remains locked. Pemberton remains where he is, listening to whales.