Hi there. I have an iPhone 5 that is giving me the dreaded "No SIM Card" message of doom. My original iPhone 5 had a couple dead pixels and they gave me a refurb on the last day of my original warrantee. Now, one month after my three month refurb warranty expired, I'm getting constant "no sim" errors. If I leave the phone in the same spot without physically jarring it, it'll stay connected for days. However, just a minute or two in my pocket and I get the error. Sometimes I have to turn it off, smack it lightly, and turn it back on for the sim to connect. I've tried wiping iOS, cleaning the sim, even placing a piece of tape on the backside of the sim to force contact... no good. It's clear I have a physical defect with this. I'm looking on eBay and all I see are logic boards that claim to have a bad ESN. Is there anywhere that you guys know of where a logic board can be acquired for cheaper than Apple's $400 fee to replace this thing?