Will retrieve 157 tons of gold, silver, cobalt, copper and other metals from millions of recalled phones.
Claim alleges Samsung was negligent because should have known the devices could harm consumers.
They want compensation for costs to visit shops to exchange their phones, delays and psychological harm.
Those who try to evade the US ban by packing the phones in checked luggage may be subject to criminal prosecution and fines
Now Samsung must begin the process of winning back consumer confidence.
Samsung halts production of the smartphones as fresh problems emerge.
Global recall urges users to return phones for a replacement.
SEOUL, Korea, Republic Of — Samsung has delayed shipments of Galaxy Note 7 smartphones in South Korea for quality control testing after reports that batteries in some of the jumbo smartphones exploded while they were being charged. Spokeswoman Sophia Kim…