another problem is that xs detect it as a previous phone, i.e. before crossflashing
here is the log
20:28:58| Baseband ID: 8040

20:28:58| Protocol Version: 3.1

20:28:58|

20:28:58| Sending db2010_cid00_prodid_p3l.bin...

20:28:58| Applet ID: 061113 1250 ALUCXC125872_COMPACTPRODUCTION_ID_LOADER P3L

20:28:58| This is a PRODUCTION_ID loader

20:28:58| Activating GDFS...

20:28:58| Warning: IMEI name does not match GDFS name (IMEI:K750 GDFS:W800)

20:28:58| ...using IMEI name

20:28:58|

20:28:58| Profiling SEMC phone...

20:28:58| Platform: DB2010

20:28:58| OTP CID: 49

20:28:58| EROM CID: 49

20:28:58| EROM Color: Red

20:28:58| IMEI: xxxxxxxxxxxxxx

20:28:58| Phone ID: K750

20:28:58| Region: EMEA_1

20:28:58| CDA: CDA102430/1 R2A

20:28:58| Firmware Version: R1BD001

20:28:58| EROM: n/a

20:28:58| Ready for operation!

please anyone?