Installing new java certificate - K800 ?

[Harshit]

I am not able to upload the certificate to my phone using XS++. I have W550i CID49

21:00:05| PORT STATUS: ACTIVE
21:00:05| Baseband ID: 8040
21:00:05| Hardware Platform: db2010 Marita compact
21:00:05| Protocol Version: 3.1
21:00:05| AutoReturnCollectingSending loaders\db2010_cid00_prodid_p3k.bin...
21:00:05| This is a PRODUCTION_ID loader
21:00:05| ***** Read flash vendor & id (cmd 0D)
21:00:05| ***** Read otp (cmd 24)
21:00:05| Activating GDFS...
21:00:05| phone name detected
21:00:05| Return
21:00:05| PHONE INFO
21:00:05| DBID: db2010
21:00:05| OTP CID: 49
21:00:05| EROM CID: 49
21:00:05| EROM color: Red
21:00:05| IMEI: 35744400xxxxxx
21:00:05| Phone: W550
21:00:05| Operator: EMEA_6
21:00:05| CDA: CDA102426/106 R2A
21:00:05| Firmware: R4CB020
21:00:05| EROM: n/a
21:00:05|
21:00:05| Ready for operation!
21:04:09| You must choose a way in!Error: FSX failed.
21:04:09| ++ Error: FSX failed
21:04:11| Disconnected... Unplug the phone
21:04:18| Shutting down...

Can anyone help me?

[Harshit]

Please somebody tell me. What programs(other than XS++) can I use to upload Java Certioficate to my mobile?