Hello, I bought an iphone xs max on the secondary market, but it is locked under your SIM card, I want to ask you to untie it, since I live in another country and cannot use mobile communication (IMEI: 357266093403174). help, please
You need to be a customer of Tmobile USA and meet the requirements in the link below.
https://www.t-mobile.com/support/devices/unlock-your-mobile-wireless-device
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