Hello, I would like to use my sim card in a zeblaze thor 4 smartwatch. I know that the frequency bands are GSM: 850(B5)/900(B8)/1800(B3)/1900(B2) WCDMA: 850(B5)/900(B8)/1900(B2)/2100(B1) 4G FDD: 2100(B1)/1900(B2)/1800(B3)/850(B5)/2600(B7)/900(B8)/B12/800(B20) TDS-CDMA: B34/B49TDD: B38/B39/B40/B41 S...
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