Hello
I have downloaded the new p990 firmware from topse.ru
it is a rar file containing several files:

1_CXC1327363_1_SEMC_CS_LOADER
BASELINE_CXC162036_R6E28_kJ_ROF
BT_SW_R5A01_RED49.babe
CDA162007-2_R6E28_Generic_World2_ROFS
Created Thu Jul 05 101429 CEST 2007 by GDFtoEMMA 1.31
EPOC2
EPOC_Generic_World2
ACPU_SW_R6E28R_ROFS
BbyoneSW_CXC162058_R6E28
CCPU_Signaling_SW_R9GA001_prgCXC162037_R6E28_RED49 .babe
Created Thu Jul 05 101412 CEST 2007 by GDFtoEMMA 1.31
Created Wed Aug 16 125708 CEST 2006 by GDFtoEMMA 1.31
EPOC3

But now I dont know how to do it ?
Can I flash with XS++ ? and how ?
Please help me.