XOOM 2 - Stock apps removed: Can I upgrade to ICS?

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http://forum.xda-developers.com – Hello, I own a Motorola Xoom 2 (UK/France Wifi only with 16 GB) which it is rooted as well. I'm afraid if I can't upgrade to ICS since I removed some stock apps (I know this was stupid). Is that true if I removed some stock apps I can't upgrade to ICS anymore? If so, how can I restore all stock apps? I already did a hard reset and I thought it will be restored (another mistake I know). I need ICS so badly, for some reason I can't update the Gmail app anymore on Honeycomb (not compatible) - but that's another problem. There is still no ICS available. Here are my tablet info: System version: (HowTos)