Motorola is to put US$3.5 billion of cash into its Motorola Mobility business ahead of its spin-off, a filing made to the US Securities and Exchange Commission revealed.

The Wall Street Journal reports that Sprint’s board of directors is considering whether to allow rival US operator T-Mobile to invest in its majority-owned WiMAX subsidiary, Clearwire. Although T-Mobile has not yet reportedly tabled a bid, Clearwire will need new funding in the next few quarters to expand its network from 49 cities to nationwide; as a result, Sprint’s options are to fund the project itself or turn to a competitor for help.

Orange has become the first UK network to use a technology that offers higher quality voice calls

T-Mobile USA said yesterday it will increase the maximum possible data speeds offered on its upgraded 3G HSPA+ network to 42 Mb/s in 2011

Sony Ericsson chief executive Bert Nordberg said he expects smartphone use in China to expand to half of all mobile-phone users in the country within five years

Samsung has shipped one million of its Galaxy S smartphones to the US since mid-July as more carriers begin stocking them

NEC today unveiled its iPASOLINK platform, designed to improve the performance of backhaul networks for LTE.

Russian operator Scartel, working under the Yota brand, announced that it has finalised construction of its LTE network in Kazan

A commission chosen by the government will start evaluating next month how much Algeria will pay to acquire the local unit of Egyptian operator Orascom Telecom (Djezzy).

Motorola and Sony Ericsson announced new Android-powered devices for the Chinese market, with both vendors offering TD-SCDMA products to support operator China Mobile’s 3G network.