[Bada Software and Hacking General] adfree:
Will try first to find older Firmware as TAR package...

Not in SMD Format...

first attempt... I9001XXKPU

http://www.sammobile.com/firmwares/3/?download=2731

Via pull Command I was able to copy from S8600...

adb pull /system
pull: building file list...
skipping special file 'ip-down-vpn'
skipping special file 'cat'
skipping special file 'chmod'
skipping special file 'chown'
skipping special file 'cmp'
skipping special file 'date'
skipping special file 'dd'
skipping special file 'df'
skipping special file 'dmesg'
skipping special file 'dumpmesg'
skipping special file 'getevent'
skipping special file 'getprop'
skipping special file 'hd'
skipping special file 'id'
skipping special file 'ifconfig'
skipping special file 'iftop'
skipping special file 'insmod'
skipping special file 'ioctl'
skipping special file 'ionice'
skipping special file 'kill'
skipping special file 'ln'
skipping special file 'log'
skipping special file 'ls'
skipping special file 'lsmod'
skipping special file 'lsof'
skipping special file 'mkdir'
skipping special file 'mount'
skipping special file 'mv'
skipping special file 'nandread'
skipping special file 'netstat'
skipping special file 'newfs_msdos'
skipping special file 'notify'
skipping special file 'printenv'
skipping special file 'ps'
skipping special file 'reboot'
skipping special file 'renice'
skipping special file 'rm'
skipping special file 'rmdir'
skipping special file 'rmmod'
skipping special file 'route'
skipping special file 'schedtop'
skipping special file 'sendevent'
skipping special file 'setconsole'
skipping special file 'setprop'
skipping special file 'sleep'
skipping special file 'smd'
skipping special file 'start'
skipping special file 'stop'
skipping special file 'sync'
skipping special file 'top'
skipping special file 'umount'
skipping special file 'uptime'
skipping special file 'vmstat'
skipping special file 'watchprops'
skipping special file 'wipe'

Only skipped files in this list... few others copied successfully...

su and apk is 1:1 like in Root-i9001-Signed.zip

Later more...

Best Regards

Edit 1.

Found this...

PDA	Android Date	CSC	Country/Carrier
I9001XXKQB	2.3.6	2012 April	I9001OXXKP8	Switzerland
I9001BOKP9	2.3.6	2012 March	I9001DTMKP4	Germany (T-Mobile)
I9001BUKP7	2.3.6	2012 February	I9001VD2KP3	Germany (Vodafone)
I9001XXKQ7	2012 February	I9001DBTKP2	Open Germany
I9001XXKQ6	2012 February	I9001SERKP7	Russia
I9001XXKQ1 ##	2012 January	I9001DBTKP1	Open Germany
I9001XXKPU ##	2011 December	I9001OXAKP1	Poland
I9001XXKPS ##	2011 December	I9001OXXKP5	Switzerland
I9001XXKPU ##	2.3.6	2011 December	I9001DBTKP1	Open Germany
I9001BOKP4	2.3.5	2011 November	I9001DTMKP1	Germany (T-Mobile)
I9001BUKP2 ##	2011 November	I9001CNXKP1	Romania (Vodafone)
I9001XXKPJ	2.3.5	2011 November	I9001OXFKP4	Nordic countries
I9001XXKPH	2.3.5	2011 November	I9001OXXKP2	Hungary
I9001XXKPS ##	2.3.6	2011 November	I9001OXXKP5	Hungary (VDH)
I9001XXKPS ##	2.3.5	2011 November	I9001SERKP6	Russia
I9001BUKP2	2.3.5	2011 October	I9001VD2KP1	Germany (Vodafone)
I9001BUKP2 ##	2.3.5	2011 September	VOD	United Kingdom (Vodafone)
I9001XXKI2	2.3.4	2011 September	I9001OXAKI1	Poland
I9001XXKG3 ##	2011 August	I9001OXXKH1	Open Austria
I9001XXKG3 ##	2.3.5	2011 August	I9001OXFKG4	Bosnia and Herzegovina (BH TELECOM)
I9001XXKP4 ##	2.3.3	2011 July	I9001OXAKP2	Open Europe
I9001XXKG3 ##	2.3.3	2011 July	I9001PRTKH1	Poland (Play)
I9001XXKG3 ##	2.3.3	2011 July	LUX	Luxembourg
I9001XXKG3 ##	2.3.3	2011 July	KPN	Netherlands (KPN)
I9001XXKG1 ##	2.3.3	2011 July	I9001OXXKG2	Greece
I9001XXKF8 ##	2.3.3	2011 June	I9001OXEKF4	Ukraine
I9001XXKF8 ##	2.3.3	2011 June	I9001SERKE3	Russia
I9001XXKF8 ##	2.3.3	2011 June	XEN	Netherlands
I9001XEKE8 ##	2.3.3	2011 May	I9001SERKE3	Russia
I9001BOKF6 ##	2.3.3	2011 May	TNL	Netherlands (T-Mobile)
[B]I9001XXKPI	2010 October	I9001ITVKP1	Italy [/B]

Pass:
## = samfirmware.com
# = samsung-firmwares.com

Someone found working Link for I9001XXKPI

:confused:

Thanx in advance.

Best Regards