1 day left on warranty- return defect device

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http://forum.xda-developers.com – I've got the Razr with stock ROM and rooted. My headphone jack is now broken and I'm returning the phone for repair. Is it enough to just unroot or do I need to reset my device as well? Was planning on unrooting and removing rootapps. The warranty runs out tomorrow so I quick response is highly appreciated. (HowTos)