and Qualcomm VCOM drivers must be installed on a Windows PC to ensure the computer recognizes the device. Official & Technical Resources
I can provide target-specific commands, driver override solutions, or alternative tools to bypass the error. Tutorial for Firmware Installation - Vivo
Eliminates system performance lag and frequent app crashes. Prerequisites and Requirements Pd1731-a-1.8.7 Flash File
Navigate to your extracted firmware folder and select the file named prog_emmc_firehose_8917.mbn (or similar file matching your chipset). Click . Select the rawprogram0.xml file from the firmware folder.
For safe installation and official updates, it is recommended to use the Vivo Support Page and Qualcomm VCOM drivers must be installed on
If you follow this guide, your device will boot into a fresh, stable version 1.8.7 environment. For those who encounter unexplained errors, visit the XDA Developers forum’s “PD1731 (Rockchip) Unbricking Guide” – the community has saved thousands of devices from the recycling bin.
Click on the Choose button next to the "Scatter-loading File" field. Navigate to your extracted firmware folder and select the Android scatter text file (e.g., MTxxxx_Android_scatter.txt ). For safe installation and official updates, it is
Click the button next to the programmer field and navigate to your extracted firmware folder. Select the file named prog_emmc_firehose_8917_ddr.mbn (or similar file variant bundled inside the firmware folder).
| Device Name | Form Factor | Original OS | Flash Tool Required | | :--- | :--- | :--- | :--- | | | Android TV Box | Android 8.1 | Rockchip Batch Tool | | X96 Mini (v2.0) | HDMI Dongle | Android 9 Go | PhoenixUSBPro | | MXQ Pro 5G | Set-top Box | Android 8.1 | Upgrade Disk Tool | | Generic PD1731 Display | 7" Car Monitor | Linux-based | RKDevTool | | Easytone ET-1731 | Smart Projector | Android 9 | Factory Tool v5.2 |
Leo nodded. He knew the drill. This was likely a "soft brick"—a state where the phone's operating system, , had been corrupted during a botched update. To fix it, he wouldn't need a screwdriver; he’d need the right code. 1. Finding the Lifeline
If you previously installed a custom ROM and want to return to the original factory experience. Prerequisites Before Flashing