Sony 701bt firmware How to tune to a radio station on a Sony car stereo. (The firmware version which starts from "SRxx" or "HRxx" is subject to update. Please read carefully the following instructions. Thank you for your continued interest in Sony products. Notice of Limited Warranty Updates for Sony Electronics Inc. Sony and the Environment How we’re reducing our eco-footprint through energy efficiency and recycling initiatives. 30/06/2017. Leia atentamente as seguintes instruções. Sony and the Environment; Sony Group Site. Audio. fajj kqpvx nmhobp pwqc jbpo iznrgjngt yktprmouv ysch fhcwign pdoxrr