A:Answer Hi Rkim777,
Thank you for reaching out to us. I appreciate your inquiry about whether the Galaxy Z Fold3 (Unlocked) will work with Boost Mobile and any other carriers. In line with this, unlocked phones by Samsung work on multiple networks. Also, it gives you the freedom to switch carriers any time and make sure that you have a compatible SIM card. Please note that sim cards must be compatible with the area's available networks. International calling, data services, and coverage vary by the network provider. Contact provider for details.
You may visit our website for more information about unlocked phones: https://www.samsung.com/us/mobile/phones/unlocked-by-samsung/.
You may also check out our website under "Learn about Unlocked phones" for further information:
https://www.samsung.com/us/smartphones/galaxy-z-fold3-5g/buy/galaxy-z-fold3-5g-256gb-unlocked-sm-f926uzkaxaa/?modelCode=SM-F926UZKAXAA
Should you need more assistance, you may reach us via the following for immediate support:
1. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
2. Facebook Messenger: http://m.me/samsungsupport
3. Twitter: https://twitter.com/messages/compose?recepient_ id=18768513
Reference Number: 1144247075
Thank you for choosing Samsung. Have a great day!
^Chrystel