https://community.sony.si/t5/xperia-archive/back-key/m-p/3241916#M391807 <DIV class="lia-message-body"><DIV class="lia-message-body-content"><P>&nbsp;&nbsp; how to install / update the device software update in sony xperia m. so. kindly tell me procedure for that.</P></DIV></DIV><DIV class="lia-rating-metoo lia-component-body">&nbsp;</DIV><DIV class="lia-message-notify lia-component-report-abuse">&nbsp;what is back key</DIV> Wed, 04 Jun 2014 17:44:25 GMT proble 2014-06-04T17:44:25Z https://community.sony.si/t5/xperia-archive/back-key/m-p/3241916#M391807 <DIV class="lia-message-body"><DIV class="lia-message-body-content"><P>&nbsp;&nbsp; how to install / update the device software update in sony xperia m. so. kindly tell me procedure for that.</P></DIV></DIV><DIV class="lia-rating-metoo lia-component-body">&nbsp;</DIV><DIV class="lia-message-notify lia-component-report-abuse">&nbsp;what is back key</DIV> Wed, 04 Jun 2014 17:44:25 GMT https://community.sony.si/t5/xperia-archive/back-key/m-p/3241916#M391807 proble 2014-06-04T17:44:25Z https://community.sony.si/t5/xperia-archive/back-key/m-p/3241917#M391808 use pc companion or sony update service to update software it will give u instructions how to, back key is the illuminated key on thebbottom of ur phone which is used to back Wed, 04 Jun 2014 17:47:58 GMT https://community.sony.si/t5/xperia-archive/back-key/m-p/3241917#M391808 samkkr 2014-06-04T17:47:58Z