Bring your compatible phone to Straight Talk Wireless and start your no-contract service today with our 3-in-1 SIM kit. Whether your phone has a micro nano or standard SIM we ve got you covered. This kit will work with most compatible unlocked phones so you can turn the phone you love into a prepaid phone. Purchase a service plan and make your wireless simpler today. No contracts. No compromise. Pair your new SIM with a no-contract unlimited talk text & data plan from Straight Talk to keep you connected for less on America s most reliable 5G† network.