Hi guys, I am a fresh man here and so interest in the topic discussed here. Just wondering why you guys didn't give Sprite Backup a try for the restore after the ROM upgrade. As far as I know, Sprite Backup is the only backup utility which can perform a Restore after you upgrade your ROM. And also they have a very detailed instructions from this link;
https://spritesoftware.crmdesk.com/a...d0%26start%3d0
It is worth to have a go with Sprite
Happy new years!