btw, after flashing my w902, it works (without insert SIM) and i can go to DEMO. But when I'm inserting my SIM, then it came configuration error please contact your network operator or service center.
I live in Indonesia. This is the LOG

09/10/2012 18:56:28 ChipID:C900,EMP protocol:0401
09/10/2012 18:56:28
09/10/2012 18:56:28 PHONE STATE: "RETAIL"
09/10/2012 18:56:28 FLASH CID: 0052
09/10/2012 18:56:29 OTP LOCKED:1 CID:52 PAF:1 IMEI:35705302212200 CERT:RED
09/10/2012 18:56:30 LDR:2009-04-21 18:09 CXC1250843_DB31XX_CS_LOADER_ACC_SDRAM_R2A081
09/10/2012 18:56:32 LDR:2009-04-21 18:10 CXC1250780_DB31XX_CS_LOADER_APP_SDRAM_R2A081
09/10/2012 18:56:32
09/10/2012 18:56:32 Model:W902
09/10/2012 18:56:32 MAPP CXC article: R3EG004 prg12067414_CHINA_PT
09/10/2012 18:56:32 MAPP CXC version: R3EG004
09/10/2012 18:56:32 Language Package:APAC-ANZ
09/10/2012 18:56:32 CDA article:
09/10/2012 18:56:33 CDA version: R3A
09/10/2012 18:56:33 Default article: 1206-7411
09/10/2012 18:56:33 Default version: R3EG004
09/10/2012 18:56:33
09/10/2012 18:56:33 Operator: 000-00
09/10/2012 18:56:33
09/10/2012 18:56:33 Elapsed:28 secs.
09/10/2012 19:01:48 ChipID:C900,EMP protocol:0401
09/10/2012 19:01:48
09/10/2012 19:01:48 PHONE STATE: "RETAIL"
09/10/2012 19:01:49 FLASH CID: 0052
09/10/2012 19:01:50 OTP LOCKED:1 CID:52 PAF:1 IMEI:35705302212200 CERT:RED
09/10/2012 19:01:52 LDR:2008-07-23 12:02 CXC1250779_DB31XX_EXPLORER_LOADER_APP_SDRAM_R2A065
09/10/2012 19:01:53 LDR CAPS:SYSTEM FLASH GDFS FILESYSTEM TA
09/10/2012 19:01:53 LDR:2009-04-21 18:09 CXC1250843_DB31XX_CS_LOADER_ACC_SDRAM_R2A081
09/10/2012 19:01:54 LDR CAPS:SYSTEM FLASH SIGNATURE AUTH
09/10/2012 19:01:54 writing "C:\Documents and Settings\m.andito\My Documents\Downloads\Programs\Flashing Sony Ericsson W902 dito\W902_R3EG004_GENERIC_RED52-fknpwned\W902_R3EG004_MAIN_GENERIC_PT_DB3150_CID52 _RED_BROWN_BLUE.mbn"
09/10/2012 19:01:54 ALLOWED DOMAINS:BLUE BROWN RED
09/10/2012 19:01:54 MAXIMUM CID:52
09/10/2012 19:01:55 Will flash 836 blocks...
09/10/2012 19:05:12 ssw file accepted
09/10/2012 19:05:12 writing "C:\Documents and Settings\m.andito\My Documents\Downloads\Programs\Flashing Sony Ericsson W902 dito\W902_R3EG004_GENERIC_RED52-fknpwned\W902_R3EG004_FS_ADRIATIC_DB3150_CID52_RED _BROWN_BLUE.fbn"
09/10/2012 19:05:13 ALLOWED DOMAINS:BLUE BROWN RED
09/10/2012 19:05:13 MAXIMUM CID:52
09/10/2012 19:05:13 Will flash 679 blocks...
09/10/2012 19:07:52 ssw file accepted
09/10/2012 19:07:52 Phone detached
09/10/2012 19:07:52 Elapsed:385 secs.
09/10/2012 19:22:16 ChipID:C900,EMP protocol:0401
09/10/2012 19:22:16
09/10/2012 19:22:17 PHONE STATE: "RETAIL"
09/10/2012 19:22:17 FLASH CID: 0052
09/10/2012 19:22:18 OTP LOCKED:1 CID:52 PAF:1 IMEI:35705302212200 CERT:RED
09/10/2012 19:22:21 LDR:2008-07-23 12:02 CXC1250779_DB31XX_EXPLORER_LOADER_APP_SDRAM_R2A065
09/10/2012 19:22:21 LDR CAPS:SYSTEM FLASH GDFS FILESYSTEM TA
09/10/2012 19:22:21 LDR:2009-04-21 18:09 CXC1250843_DB31XX_CS_LOADER_ACC_SDRAM_R2A081
09/10/2012 19:22:22 LDR CAPS:SYSTEM FLASH SIGNATURE AUTH
09/10/2012 19:22:25 Writing package "C:\Documents and Settings\m.andito\My Documents\Downloads\Compressed\W902 Original Acoustic.zip"...
09/10/2012 19:22:25 [fsChDir] err:000E
09/10/2012 19:22:25 Creating "/W902 Original Acoustic/"
09/10/2012 19:22:25 /W902 Original Acoustic/apfsymbols.wbxml
09/10/2012 19:22:25 /W902 Original Acoustic/BDSS_call.wbxml
09/10/2012 19:22:25 /W902 Original Acoustic/BDSS_play.wbxml
09/10/2012 19:22:25 /W902 Original Acoustic/BDSS_ring.wbxml
09/10/2012 19:22:26 /W902 Original Acoustic/BT_call.wbxml
09/10/2012 19:22:26 /W902 Original Acoustic/BT_DSP_call.wbxml
09/10/2012 19:22:26 /W902 Original Acoustic/BT_hbh_200_call.wbxml
09/10/2012 19:22:26 /W902 Original Acoustic/BT_hbh_300_call.wbxml
09/10/2012 19:22:26 /W902 Original Acoustic/BT_hbh_6XX_call.wbxml
09/10/2012 19:22:26 /W902 Original Acoustic/BT_hbh_7XX_call.wbxml
09/10/2012 19:22:26 /W902 Original Acoustic/BTC_call.wbxml
09/10/2012 19:22:26 /W902 Original Acoustic/BTL_play.wbxml
09/10/2012 19:22:27 /W902 Original Acoustic/BVHF_call.wbxml
09/10/2012 19:22:27 /W902 Original Acoustic/BVHF_play.wbxml
09/10/2012 19:22:27 /W902 Original Acoustic/BVHF_ring.wbxml
09/10/2012 19:22:27 /W902 Original Acoustic/DSS_call.wbxml
09/10/2012 19:22:27 /W902 Original Acoustic/DSS_play.wbxml
09/10/2012 19:22:27 /W902 Original Acoustic/DSS_ring.wbxml
09/10/2012 19:22:27 /W902 Original Acoustic/farfield_call.wbxml
09/10/2012 19:22:28 /W902 Original Acoustic/farfield_call_PHF_mic.wbxml
09/10/2012 19:22:28 /W902 Original Acoustic/farfield_fm.wbxml
09/10/2012 19:22:28 /W902 Original Acoustic/farfield_PHF_ring.wbxml
09/10/2012 19:22:28 /W902 Original Acoustic/farfield_play.wbxml
09/10/2012 19:22:28 /W902 Original Acoustic/farfield_rec.wbxml
09/10/2012 19:22:28 /W902 Original Acoustic/farfield_ring.wbxml
09/10/2012 19:22:28 /W902 Original Acoustic/fm_stop.wbxml
09/10/2012 19:22:29 /W902 Original Acoustic/handset_0_call.wbxml
09/10/2012 19:22:29 /W902 Original Acoustic/idle.wbxml
09/10/2012 19:22:29 /W902 Original Acoustic/line_in.wbxml