[Q] Can;t get my 4g to work on Nexus s 4g

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http://forum.xda-developers.com – Have tried unrooting back to phone original and rerooting tried [Toolkit] Wug's Nexus Root Toolkit v1.6.1 [Updated 11/30/12]: Nexus S 4G Thread and Shabbypenguin Nexus Root 8.0 can anyone suggest a patch or zip is it in boot img something turned off? It use to work. (HowTos)