https://community.sony.hr/t5/z-series/change-serial-number-for-sony-z2/m-p/3472532#M90154 You cannot change your serial number without changing your mainboard. Sun, 17 Apr 2016 10:15:35 GMT Lord_viridis 2016-04-17T10:15:35Z https://community.sony.hr/t5/z-series/change-serial-number-for-sony-z2/m-p/3472531#M90153 <P>Dear sir,</P><P>i need your support to change mobile serial no</P> Sun, 17 Apr 2016 09:57:05 GMT https://community.sony.hr/t5/z-series/change-serial-number-for-sony-z2/m-p/3472531#M90153 Yassenosama 2016-04-17T09:57:05Z https://community.sony.hr/t5/z-series/change-serial-number-for-sony-z2/m-p/3472532#M90154 You cannot change your serial number without changing your mainboard. Sun, 17 Apr 2016 10:15:35 GMT https://community.sony.hr/t5/z-series/change-serial-number-for-sony-z2/m-p/3472532#M90154 Lord_viridis 2016-04-17T10:15:35Z