i use both hwk & Mt-box :
1- use ufc cable & hwk ( connect only GND, BSI & +V).
2- use Mt-box in USB mode & connect N900 to your pc.
3- switch on your phone till your pc detect it & finish installing drivers.
4- click "phone info" of MT program.
5- if u succed to read phone then do: full factory set, user data , reset user code.
here is the log:
Phone is in: Local mode
Model: RX-51 ( N900)
2.2009.51.1/RX-51_2009SE_2.2009.51-1_PR_MR0/RXRX-51 ( N900)
Production serial number MUM740125
Product code 0574384
Module code
Basic production code 0558710
Flash code
Order number
MCU SW V ICPR82_09w47/20-11-09/RX-51/(c) Nokia
HW 2104
RFIC |Vapaus_5.1 | Aura_?.?
DSP ICPR82_09w47
LCD
BT MCM 410B
APE SW Core 2.2009.51.1/RX-51_2009SE_2.2009.51-1_PR_MR0/RX-51/(c) Nokia.
APE Test V 1.1.194
Retu 34
Tahvo 00
Content Pack RX-51_2009SE_1.2009.41-1.IBERIA
IMEI: 356938034xxxxxx
Phone is in: Local mode
Full Factory Set...OK
Phone is in: Local mode
User Data...OK
Successfull, code is 12345