[Q] Possible issue with transfering system data

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http://forum.xda-developers.com – Ok, so here's the deal. I had an r800x since about 2 months after release date last year. 4 days ago, my touchscreen died on me. So I called up verizon, and my insurance sent me a replacement r800x for free. But here's the issue. I used CWM on my old one to back up my system to restore on the new one. But the new one is running GB 2.3.4 whereas my old one was still on 2.3.3 Is that going to be an issue? My plan was to root the new xplay, back up that system, restore my old system strictly so I could get current titanium backups of the specific apps I wanted, then restore the backup of the (HowTos)