Straight Talk advertises unlimited data plans and cheap prices, but be ready for below average customer service, data caps and a more expensive iPhone purchase price. Here's what you need to know about the Straight Talk plan before buying the Phone 5 at Walmart.Straight Talk’s Keep Your Own Phone plan requires a compatible, unlocked phone, activation kit and Straight Talk unlimited service plan. User may need to change the phone’s Access Point Name Settings. A month equals 30 days. Straight Talk reserves the right to terminate your service for unauthorized or abnormal use. Aug 13, 2020 · Samsung Galaxy S20 review The Samsung Galaxy S20 is a powerful flagship phone with a smooth 120Hz display, 5G and advanced cameras in a compact design Straight Talk is a network offered exclusively through Walmart, though you can refill your device plan if you're already a customer with the service. You must request the phone unlock, which is free for current and former Straight Talk customers but may require a fee from non-former customers.Straight Talk's unlock policy is available here. Only GSM phones that use SIM cards can be unlocked. Other types of phones, like CDMA units, cannot generally be used with other carriers. I want to buy an iPhone 5S from Straight Talk at Walmart, but I have Simple Mobile.