1. William Campbell4's Avatar
    The model to that is At&t LG K20 (M255)
    06-08-2018 09:55 PM
  2. Rukbat's Avatar
    You're using a non-AT&T SIM. The phone is locked to AT&T. You need the unlock code. See AT&T Wireless Consumer Device Unlock Request.
    B. Diddy likes this.
    06-09-2018 12:30 PM

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