I’m a travel expert – here’s how to charge your phone if you forget an adaptor on your next holiday

And all you need is the hotel TV.

Mark explained: "If you left home without your smartphone plug but you still have the cable, plug it into the hotel room’s television and it will charge up your device.

"There should be a powered USB port on the side or back."

Another hack is to take one travel adaptor - but pack an extension lead.

Mr Saltzman also revealed other travel hacks including reminding holidaymakers to take photos of your boarding pass.

He said: "Take a screengrab of your boarding pass on your phone to create an offline version, in case the Internet connection isn’t good at the airport you won’t hold everyone up behind you."

Meanwhile, there is an ultimate iPhone travel hack that all travellers must know.

It's called Focus – and it could completely revolutionise your stay away.

The setting can block certain apps from triggering notifications on your phone.

That means you can shut out all work apps, colleagues and anything or anyone else that might distract you from vacation bliss.

To set it all up, go into Settings > Focus and then add a new Focus mode.

Choose all of the settings you want, including times and days for activation.

If you're on holiday, you might want to just leave it on for the whole time.

And if you need translation help, your iPhone can now instantly decipher signs and menus with the camera.