Several players apart from Amazon may be lining up bids for Boost, assuming the Sprint/TMO merger proceeds with the sale of the prepaid unit as a condition. Analysts expect the price to be at least $3bn, possibly as high as $4bn depending on the levels of interest. According to Reuters, prepaid company Q Link Wireless is teaming up with private equity backers to place a bid; while Stephen Stokols, founder of disruptive WiFi-first operator FreedomPop, is said to be separately advising another private equity group in preparing a bid for Boost. Also in the frame, apparently, is Peter Adderton, who actually founded Boost Mobile, then sold it in 2004 to Nextel, which was in turn acquired by Sprint. And it…