What SIM do I use for myFirst Fone S2?

List of recommended SIM mobile network operators by user experience to date

• Existing user feedback collected by country and to be adjusted accordingly.

• myFirst Fone S2 is GSM/UTMS unlocked for ALL countries/carriers and supports up to the 3G network.

• myFirst Fone S2 (North & South America & Canada) supports the following:-
  • 2G GSM: 850/900/1800/1900MHz | 3G WCDMA: 850/1900MHz

• myFirst Fone S2 (International) supports the following:-

  • 2G GSM: 850/900/ 1900/2100MHz | 3G WCDMA: 900/2100MHz

• Do check with the preferred local mobile network operator if SIMs are on the supported bandwidth.

• As long as bandwidths between operator and watch are compatible, which you can check on https://www.frequencycheck.com/ , it can be used with the local mobile operator.

• Important note: myFirst Fone S2 supports Prepaid/Postpaid Mobile Smartphone SIMs.

  • Smartwatch, Traveler, IoT, or any other special SIMs are NOT recommended

  • For use with Nano SIM cards
  • Requires caller-ID for voice calls