You can check for new software updates for your device using the available feature.
Updating software on Motorola Moto X4 is as follows:
Step 1: Access the introductory settings.
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Step 2: Go to select the system update option.
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Step 3: Wait for the system to check for updates. If there are any new updates available, download them.
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With that, the setup is complete. Wishing you all success.