China Labor Watch and Green America say the iPhone maker hasn't lived up to its commitments to improve worker conditions in a China factory.
But Samsung says allegations China-based supplier HEG Electronics employes children under the age of 16 at its facility are false.
In a move to condemn illegal child labor, the Korean electronics giant says it will reduce orders with the supplier by 30 percent.
The smartphone may not yet be officially unveiled, but a UK supplier is offering preorders.
The South Korean electronics giant says it will sever business ties with a supplier if its investigation determines violations occurred.
A watchdog group alleges several children work in assembly lines at a factory that makes Samsung's mobile phone covers and parts. The company says it's looking into these claims.
The country won't say specifically that it's targeting US suppliers, but the timing is awfully coincidental.
Apple manufacturing partner GT Advanced Technologies has begun shipping sapphire from its Arizona plant to suppliers in China, according to a research note from UBS Securities.
Asia suppliers at a electronic components exhibition are talking up a 12-inch Apple tablet and large iPhones, according to a Chinese-language report.
A South Korean manufacturer is making samples of an Apple TV set based on OLED technology, a report claims.