Debrand to Nordic Combined (B) firmware, quick and easy.
This will only work for X10i (Note Mini or Mini Pro is NOT a X10i) that is rooted!
You need to have Root Explorer installed
Edit you current
system/default.prop file with Root Explorer.
Go in your system folder, press the Mount R/W button in the top right corner.
Long press the default.prop file > Open in Text Editor
Replace the digits (XXXX-XXXX) in these 2 lines:
Code:
ro.semc.version.cust=XXXX-XXXX
ro.product.name=X10_XXXX-XXXX
With the Nordic Combined (B) digits wich is:
Code:
X10i CUST-NBC GENERIC [COLOR="Red"][B]1234-8465[/B][/COLOR]
Save & Exit.
Reboot your phone and use SEUS to re-install your phone to 2.1.
Voila, you should now be on 2.1