Can You Use Straight Talk Sim Card At&t Phone. SIM cards come in three sizes Standard Micro and nano youll need the right size SIM card for your phone. If the phone is locked to any other carrier you must unlock it for it to work on Straight Talk.
Can I switch my Straight Talk SIM card to another phone. Also consider ATT prepaid or Verizon prepaid. Compatible phones include ATT Compatible phones T-Mobile Compatible phones Sprint Compatible Phones as well as most GSM and CDMA Unlocked phones.
Up to 3 cash back 4G4G LTE5G networks are not available on all devices and in all locations.
This Straight Talk 4G SIM has a nano size thats compatible with a variety of phones. You can also insert a T-Mobile USA or Verizon Wireless CDMA compatible carriers SIM card for data and voice service on your Straight Talk device but you will not be able to send text messages with this configuration. Use your own unlocked compatible GSM or CDMA phone Nationwide with Straight Talk Wireless. My Straight Talk SIM card has an ATT IIN so it automatically uses the ATT carrier profile to my great annoyance as if that werent already clear to everybody -.
