: Make sure the phone is listed as "Factory Unlocked" or locked specifically to your current carrier. A phone locked to a different network can be a massive headache to activate.
If you don't mind being tied to a specific network, your mobile carrier might offer the cheapest route to a new phone. buy phones for cheap prices
: Samsung's A-series devices provide gorgeous AMOLED screens and massive battery life without the heavy price tag of the "S" lineup. : Make sure the phone is listed as
: Many manufacturers and authorized retailers sell certified pre-owned devices. These are inspected, repaired with OEM parts, and given a fresh battery and outer shell. : Samsung's A-series devices provide gorgeous AMOLED screens
: If buying used from a private seller, always ask for the IMEI number and check it against a free online blacklist database to ensure the phone wasn't reported lost or stolen.
: Carriers frequently offer massive credits (sometimes covering the entire cost of a new phone) if you trade in your old device and sign up for a specific unlimited plan.