Sony Ericsson Vivaz driver. July 8, 2016 | 23.17 Kb. Sony_Ericsson_Vivaz_driver.zip. Phone driver for Sony Ericsson Vivaz U5i. Use drivers for debugging, .The Sony Ericsson K850i was a high-end mobile phone when released in October 2007. It was announced in June 2007 as the flagship product in Sony .Results Browse your favorite brands ✅ affordable prices ✅ free .Install the driver and you can establish a connection between your Sony Ericsson phone and a PC with a Sony Ericsson USB Cable.