The US 4G network LightSquared has declared bankruptcy but insists Chapter 11 is not the end
US carrier Sprint has annulled its 4G LTE partnership with start-up LightSquared and returned £41m in prepayments
4G network LightSquared's latest troubles centre upon a financial dispute with satellite partner Inmarsat
LightSquared has asked regulators to give it the go-ahead for a 4G rollout in the US, despite GPS interference issues