pues con el XS++ lo he probado y me aparece esto:

13:24:37| TURN OFF PHONE!
13:24:37| Hold 'C' button on phone and connect phone NOW.
13:24:37| You have 30 seconds...
13:24:37|
13:24:49| Baseband ID: C802
13:24:49| Protocol Version: 4.1
13:24:49| Warning: IMEI name does not match GDFS name (IMEI:NULL GDFS:W910)
13:24:49| ...using GDFS name
13:24:49|
13:24:49| Profiling SEMC phone...
13:24:49| Platform: DB3150
13:24:49| OTP CID: 52
13:24:49| EROM CID: 52
13:24:49| EROM Color: Red
13:24:49| IMEI: 35155802xxxxxx
13:24:49| Phone ID: W910
13:24:49| Region: AMERICA
13:24:49| CDA: 1201-4335 R9A
13:24:49| Firmware Version: R1CA039
13:24:49| EROM: 1200-4341 SEMCBOOT R6A013
13:24:49| Ready for operation!
13:24:53| +++ Sending CERTIFICATE LOADER...
13:24:53|
13:24:53| Sending db2020_cid01_cert_p3g.bin...
13:24:53| Header: Failed
13:24:54|
13:24:54| Sending db2020_red52_cs_r3a009.bin...
13:24:54| Header: Failed
13:24:54| Resetting Lock Code...
13:24:54| Binary acknowledge failed with: 88
13:24:54| Failed
13:24:54| Failed
13:24:54| GDFS operation was successful
13:24:56| Disconnected... Unplug the phone


puedes decirme que debo hacer