The mobile phone network may be limited ... READ MORE: Foreign Office changes USA travel advice with UK tourists 'not guaranteed entry' READ MORE: Anyone with blue or burgundy passport faces ...

The UK's Home Office had sought to hold the legal battle with Apple entirely behind closed doors, but a judge disagreed.

The Foreign, Commonwealth and Development Office (FCDO) updated travellers on ... "You should take precautions such as conserving fuel and mobile phone charge, particularly if travelling outside ...