Dear,
I will use this phone in KT, Korea mobile brand.
Is it possible?
Could you check it?
Many thanks,
CAT S41 supports Network: 4G: LTE Band 1/2/3/5/7/8/20 / 3G: 850/900/1900/2100 MHz / GSM: 850/900/1800/1900 MHz as listed in the technical details. Since the network compatibility is always depending on the services provided by the mobile carriers, we would strongly recommend you to check with your local carrier for the network compatibility.
i think you can use it in korea, in some phones you may need to change GSM bands...
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