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"The key data...."

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By pastorbob62, Senior Member on 31st January 2014, 03:34 PM
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Trying to upgrade to ICS using the official update package from the Software Upgrade screen, I keep getting the message "The key data cannot be backed up. Thus, the upgrade cannot proceed."

When I use the powerup method pressing the volume control up/down it just says "Update failed" and stops on the first step.

I am using a U8800-51, currently running 2.3.5 and Stallion-51_ics with 404020 baseband.

I suspect it is something to do with partition sizes but not sure.

Any ideas guys?
 
 
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