Through its the new Best Buy Connect service, the electronics retailer plans to offer customers a new 4G tier starting in 2011.

Helped by robust computer and TV sales, the electronics giant posts net profit of 25.7 billion yen versus a net loss a year ago, while sales inch up for the quarter.

Weak sales of its DS console and a dearth of hot new games trigger a net loss and lower revenue for Nintendo's first quarter.