Buyers of Motorola's Xoom tablet who want to move from 3G to 4G when that option is live will need to mail the device to Motorola for a hardware upgrade, according to Verizon. Lance Whitney is a ...

To help get more life out of a battery, Texas Instruments introduced an efficient envelope tracking power supply solution to support 3G and 4G LTE multi-mode, multi-band RF power amplifiers used in ...

Network operators are using an Android setting to report more signal strength on phones and tablets, and Google has no issues with it.