The new fiber-optic cables will connect nine countries and be capable of speeds of up to 38.3 terabits per second, the Korean network says.
We get up close and personal with the special-edition 18kt. gold HTC One.
The mobile-chip giant also unveils new software-development kits for LTE Broadcast and for its Vuforia augmented-reality software, designed for digital eyewear like Samsung's Gear VR.
Despite reluctance from three major carriers, creditors have agreed to extend Pantech's deadline for debt repayment by two years, keeping the South Korean company alive for the time being.
South Korea's Fair Trade Commission has forced the app stores to remove non-refundable clauses --and hopes the policy will become a benchmark for other countries.
The third largest phone maker in Korea continues to post losses while still owing debt to various entities, including Korea's three carriers.
The Samsung Galaxy S5 is on sale in Korea ahead of its official release date, and no one's more surprised than Samsung.
The Galaxy S5 will go on sale smack in the middle of a ban that will keep Korean carriers from adding new customers or allowing existing customers to upgrade phones.
Two technical demos at Mobile World Congress promise a future of faster download speeds for one and all.
Even as Mobile World Congress begins to draw to a close, there's still plenty of news and new gadgets to see at the world's largest wireless party. CNET brings you the most important stories of day 3.