03-03-2006, 05:55 AM
Thumbs Must Hurt
Join Date: May 2005
Carrier: Proximus, BE
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He cauliflower, have a look at the sticky in the RIM Software forum on 4.x downloads/upgrades.
Basically the answer is yes you can, in fact you could use the Hong Kong CSL 4.1 OS for your 7290 to get the latest & greatest.
Make sure you read how to perform the upgrade w.r.t. deleting thw vendor.xml file as to make sure it will work on KPN.