The 12-day programme sees teenagers who struggle to stay off their devices hand in their phone and undergo coaching to bring their use down to a healthy level of two to three hours a day, The Times reports.

The South Korean government defines smartphone addiction as using the devices to the extent it is “difficult to have a normal life at home, school or work”.

The publicly-run rehabilitation camps – which took place in 16 locations across the country this year – boast a 75 per cent success rate in breaking the addiction.