China Mobile , the world's biggest mobile phone service provider by subscribers, is the only major company using TD-SCDMA technology today.

Companies like Unilever and Safaricom, Kenya's leading mobile phone service provider, are already making a good profit in Kenya's camps.

Cell phone upgrades: Mobile phone service providers notoriously give free or cheap phones with new or renewed contracts.

Additionally, some mobile phone service providers operate systems that pinpoint the physical location of devices that use their service.

A dispute between two mobile phone service providers over an allegedly misleading advertising campaign by one of them has come before the Commercial Court.

May 8 (Reuters) - Mobile phone service provider Leap Wireless International Inc. LEAP.O swung to a quarterly loss on increased operating expenses.