If anyone fancies having a go i re wrote the instructions in better english.
this works on 6630, 6680 6681, N70 and N90
copy the files in this archive to c:\bb5_unlocker so the directory structure looks like:
C:\bb5_unlocker\backup
C:\bb5_unlocker\logs
C:\bb5_unlocker\psw
C:\bb5_unlocker\install.bat
C:\bb5_unlocker\list.txt
C:\bb5_unlocker\bb5logunlock.txt
C:\bb5_unlocker\BB5logunlocker.exe
C:\bb5_unlocker\BB5_calc.exe
C:\bb5_unlocker\logs\bb5_unlocker.cfg
Connection
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For this program you need Fbus cable like DK5, CA43 or similar conected to one of the ports from COM1 to COM9. This must be the correct cable for the phone, not just one that fits.
Edit the File C:\bb5_unlocker\logs\bb5_unlocker.cfg using notepad or similar to the correct port for your FBUS cable. By defalut it reads COM2: You can find your correct port my looking in your device manager. (right click my computer - properties - hardware - device manager - ports)
Using
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the programme BB5logunlocker.exe can only be launched if the .cfg file has been edited properly.
Connect the phone with the SIM card removed
launch BB5logunlocker.exe
Unlocking
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Click 'read phone', this will display some info regarding the phone including the lock status.
Click 'Back Up' do not modify this file.
Click 'Make Log' this will add a file to the logs folder for your phone.
Launch BB5_calc.exe this can use the log file to calculate the unlock code for your phone. This will be saved to th folder PSW.
Click SP unlock - Unlocking done.
Unlock Codes From Your Network
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If you got an anlock code from your network but messed up entering it via the key pad then it can be done from here. you will simply create the file in the PSW folder yourself.
create a file in the psw folder called xxxxxxxxxxxxxxx_BB5.psw where xxxxxxxxxxxxxxx is your IMEI number.
The contents of that file should be:
#pw+yyyyyyyyyyyyyyy+c#
where yyyyyyyyyyyyyy is the unlock code and c is the unlock level number (1-7) then use the SP Unlock feature as before.
the file is here, should you want it without registering in the other forum:
http://nokia.nigelcoldwell.co.uk/bb5/bb5_unlocker.zip