Ryan Haines / Android AuthorityMost people are no longer upgrading their Android phones every two years. It’s now the norm for consumers to replace their devices every three or four years. It also doesn’t hurt that carriers have embraced 36-month or even 48-month contracts.As such, I totally understand if you’re buying a phone with the intention of keeping it for three or more years. But before you put your money down or sign that contract, I’ve got some tips to keep in mind if you want to buy a phone that will last for years and years. What’s the best…