Download the official Moto Z3 XT1929-17 Firmware Flash File [Stock Rom] and also learn how you can use this Stock Rom to restore your Moto Z3 XT1929-17 smartphone.
Below is a link to download and install Motorola Moto Z3 XT1929-17 Stock Firmware Flash File.
Bear in mind that there are things this firmware will help you to set or reset in your smartphone.
Firmware file size: 2.45GB
Android version: 8.1