In this guide, we show you how to install stock Android 8.0 Oreo firmware (PAYTON_OPW27.57-40) manually on Moto X4 (Payton) global variant. This guide may also help you unbrick a non-booting Moto X4. For example, if your phone stuck in a bootloop/welcome screen after installing a custom recovery or a custom ROM, check out the step-by-step guide given below.

The below tutorial assume that you have knowledge on ADB, Fastboot, and how to issue fastboot commands. If you have followed the guide carefully, you can unbrick, unroot and restore stock firmware on your Moto X4 (code named Payton). There are few prerequisites for installing stock firmware on a Moto X4. First, download all files given below and then follow the below guide. All credits go to XDA member lohanbarth. Downloads: – Motorola driver file for Windows [here] – ADB and fastboot driver setup [guide] – Stock Oreo ffirmware (PAYTON_OPW27.57-40_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml.zip) [here] Important: Backup all important data you have on the phone.

How to Unbrick/Install official Oreo firmware on Moto X4

  1. Install Motorola driver on your PC.
  2. Unzip the stock firmware (xml.zip) and save all the content where the ADB is installed.
  3. Switch off your phone and boot into bootloader (press Volume Down + Power buttons together)
  4. Now, connect your device to your PC via a USB Cable and open a command window inside the ADB folder and issue below commands one-by-one. mfastboot flash partition gpt.bin mfastboot flash bootloader bootloader.img mfastboot reboot-bootloader mfastboot flash modem NON-HLOS.bin mfastboot flash fsg fsg.mbn mfastboot erase modemst1 mfastboot erase modemst2 mfastboot flash bluetooth BTFM.bin mfastboot flash dsp dspso.bin mfastboot flash logo logo.bin mfastboot flash boot boot.img mfastboot flash system system.img_sparsechunk.0 mfastboot flash system system.img_sparsechunk.1 mfastboot flash system system.img_sparsechunk.2 mfastboot flash system system.img_sparsechunk.3 mfastboot flash system system.img_sparsechunk.4 mfastboot flash system system.img_sparsechunk.5 mfastboot flash system system.img_sparsechunk.6 mfastboot flash system system.img_sparsechunk.7 mfastboot flash system_b system_other.img mfastboot flash oem oem.img mfastboot erase carrier mfastboot erase userdata mfastboot erase ddr That’s it. You have now successfully installed Oreo update/unbrcked your fourth Gen Moto X4. Leave your views in the comment section below (Source – XDA)