I recently purchased a galaxy s5 off ebay for my boyfriend. It was listed has having a clean ESN, but he's having trouble activating it onto his Sprint account. Tried to activate over the phone & in the store. The seller contacted Sprint and was told that everything was clear and good to go. I'm just trying to find out why it isn't working. Does it need to be unlocked although it was already on the Sprint network? Is it possible the ESN was not clean?
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