And I also did a erom flash as follow. Was succesful after trying a few attempts

23:48:08| XS++ v3.2 Dev1 (Crystal) Ready !

23:48:08| Executed on Microsoft Windows XP

23:48:27|

23:48:27| Attempting to open the interface...

23:48:27|

23:48:27| TURN OFF PHONE!

23:48:27| Hold 'C' button on phone and connect phone NOW.

23:48:27| You have 30 seconds...

23:48:27|

23:48:33| Baseband ID: 9900

23:48:33| Protocol Version: 3.1

23:48:33| Warning: IMEI name does not match GDFS name (IMEI:W850 GDFS:K700)

23:48:33| ...using IMEI name

23:48:33|

23:48:33| Profiling SEMC phone...

23:48:33| Platform: DB2020

23:48:33| OTP CID: 49

23:48:33| EROM CID: 49

23:48:33| EROM Color: Red

23:48:33| IMEI: 35282601xxxxxx

23:48:33| Phone ID: W850

23:48:33| Region: APAC

23:48:33| CDA: CDA102677/92 R4A

23:48:33| Firmware Version: R1EJ001

23:48:33| EROM: R3A016

23:48:33| Ready for operation!

23:48:43| User chose NOT to update EROM CID!

23:49:47|

23:49:47| Sending db2020_cid01_prodid_p3j.bin...

23:49:47| Applet ID: 070129 0950 NGUCXC1250330_DB2020_PRODUCTIONIDLOADER_P3J

23:49:47| This is a PRODUCTION_ID loader

23:49:47|

23:49:47| Sending db2020_mem_patcher_cid49_r2a006.bin...

23:49:48| Applet ID: 061205 1523 HANCXC9876543210_DB2020_MEM_PATCHER_R2A006 0

23:49:48| This is a MEM_PATCHER loader

23:49:48|

23:49:48| Sending db2020_cid49red_flash_r2a001.bin...

23:49:48| Applet ID: 060721 1022 HANCXC1329129_DB2020_FLASHLOADER_R2A001

23:49:48| This is a FLASH loader

23:49:48| Now flashing firmware main...

23:49:48| Flashing c:\documents and settings\acer\desktop\w850_2\w850_red_cid49_r3b015 _erom-fota_2006-04-26_08.bin

23:49:48| Header type: BABE

23:49:48| 4 flashblocks

23:49:50| Finishing flash

23:49:50| Done flashing

23:49:50| Flashing was successful

23:49:52| Disconnected... Unplug the phone

23:50:05| Shutting down...

21:14:17| XS++ v3.2 Dev1 (Crystal) Ready !

21:14:18| Executed on Microsoft Windows XP

21:14:47|

21:14:47| Attempting to open the interface...

21:14:47|

21:14:47| TURN OFF PHONE!

21:14:47| Hold 'C' button on phone and connect phone NOW.

21:14:47| You have 30 seconds...

21:14:47|

21:15:20| Error: Cannot open phone communication port

21:15:22| Disconnected... Unplug the phone

21:15:36| Shutting down...

21:16:07| XS++ v3.2 Dev1 (Crystal) Ready !

21:16:07| Executed on Microsoft Windows XP

21:16:12|

21:16:12| Attempting to open the interface...

21:16:12|

21:16:12| TURN OFF PHONE!

21:16:12| Hold 'C' button on phone and connect phone NOW.

21:16:12| You have 30 seconds...

21:16:12|

21:16:45| Error: Cannot open phone communication port

21:16:47| Disconnected... Unplug the phone

21:17:17| Executing SEMC Smartphone Operations!

21:17:17| Please hold boot key ('@' or 'C') and connect device...

21:18:28| Disconnected... Unplug the phone

21:18:37| Executing SEMC Smartphone Operations!

21:18:37| Please hold boot key ('@' or 'C') and connect device...

21:19:19| Disconnected... Unplug the phone

21:19:26|

21:19:26| Attempting to open the interface...

21:19:26|

21:19:26| TURN OFF PHONE!

21:19:26| Hold 'C' button on phone and connect phone NOW.

21:19:26| You have 30 seconds...

21:19:26|

21:19:31| Baseband ID: 9900

21:19:31| Protocol Version: 3.1

21:19:32| Warning: IMEI name does not match GDFS name (IMEI:W850 GDFS:K700)

21:19:32| ...using IMEI name

21:19:32|

21:19:32| Profiling SEMC phone...

21:19:32| Platform: DB2020

21:19:32| OTP CID: 49

21:19:32| EROM CID: 49

21:19:32| EROM Color: Red

21:19:32| IMEI: 35282601xxxxxx

21:19:32| Phone ID: W850

21:19:32| Region: APAC

21:19:32| CDA: CDA102677/92 R4A

21:19:32| Firmware Version: R1EJ001

21:19:32| EROM: R3A016

21:19:32| Ready for operation!

21:19:44| User chose NOT to update EROM CID!

21:20:43|

21:20:43| Sending db2020_cid01_prodid_p3j.bin...

21:20:43| Applet ID: 070129 0950 NGUCXC1250330_DB2020_PRODUCTIONIDLOADER_P3J

21:20:43| This is a PRODUCTION_ID loader

21:20:43|

21:20:43| Sending db2020_mem_patcher_cid49_r2a006.bin...

21:20:44| Applet ID: 061205 1523 HANCXC9876543210_DB2020_MEM_PATCHER_R2A006 0

21:20:44| This is a MEM_PATCHER loader

21:20:44|

21:20:44| Sending db2020_cid49red_flash_r2a001.bin...

21:20:44| Applet ID: 060721 1022 HANCXC1329129_DB2020_FLASHLOADER_R2A001

21:20:44| This is a FLASH loader

21:20:44| Now flashing firmware main...

21:20:44| Flashing f:\downloadsw850\w850_2\w850_red_cid49_r3b015_erom-fota_2006-04-26_08.bin

21:20:44| Header type: BABE

21:20:44| 4 flashblocks

21:20:46| Finishing flash

21:20:46| Done flashing

21:20:46| Flashing was successful

21:20:48| Disconnected... Unplug the phone