A:AnswerHi Alejandro!
Thank you for reaching out to us. We appreciate your interest in knowing if Galaxy S21 5G (Unlocked) supports dual SIM. This phone model supports one physical SIM and embedded SIM (eSIM).
For your reference, you may access the user's manual about "SIM Card Manager" on page 122: https://downloadcenter.samsung.com/content/UM/202201/20220129012829519/SAM_G991_G996_G998_EN_UM_OS12_121721_FINAL_AC.pdf.
Should you need more assistance, please feel free to get back to us via the following options:
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
Reference #: 1144321854
Have a great day.
Melardo
A:AnswerHey there. If a phone comes unlocked, you have the option of which carrier's service is connected to the device. We would suggest contacting the carrier to ensure their services can be added. Thank you for asking this question. ^Kayla
A:AnswerHello, Jason. Although this Galaxy S21 5G is unlocked, we would suggest contacting the carrier to ensure their services can be added. Thank you for asking this question. ^Kayla
A:AnswerHello, John. Although this Galaxy S21 5G is unlocked, we would suggest contacting the carrier to ensure their services can be added. Thank you for asking this question. ^Kayla
A:AnswerHi Santosh,
Thank you for contacting us. We appreciate your interest in whether the Galaxy S21 (Unlocked) works in India. In line with this, unlocked Samsung phones 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 the "Learn about unlocked phones" section for further information:
https://www.samsung.com/us/smartphones/galaxy-s21-5g/buy/galaxy-s21-5g-128gb-unlocked-sm-g991uzaaxaa/
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: 1144320193
Thank you for choosing Samsung. Have a great day!
^Chrystel