All of them are different prices and contracts vary. You'll need to look up what they have or go look and decide on the best one for you, then compare it to the main store or company. The setup is different from each cell phone retailer compared to Walmart. In other words, sign up and contract have one price at Walmart while the retailers have a different price. Hopefully you've done some homework about which phone(s) you're interested in. Saves time overall.
For activation it all depends on brand and wireless service
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