So basically you're saying that if you intend to replace the ROM it's better to do a Custom Backup? Or after you do a ROM upgrade it's better to not do a Restore?
No. I'm saying don't use Spb Backup to do the data restore after upgrading the ROM
Did you need to do a Restore? Had you lost your data?
Yes. The ROM update wipes all of the data.
Would putting the old ROM back in and doing another Restore resolve the problem?
Perhaps. I didn't get that far because my phone was as useless as a brick.