A:Answer Hi Teresita!
Thank you for reaching out to us and taking an interest in your inquiry about whether the Galaxy A12 (Unlocked) works in Mexico. 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/
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: 1144248206
Thank you for choosing Samsung. Have a great day!
^Chrystel