1. Slide the battery cover and remove it.
2. Install the (U)SIM card into the (U)SIM card slot.
Note: Your device does not support micro-SIM card, nano-SIM card, or any other nonstandard SIM cards. To avoid device damage, please do not use any nonstandard SIM cards in your device. The (U)SIM card included with the device is locked to, and may only be used with the ZTE Home Phone device.
3. Install the battery and close the battery cover.
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