This article explores the technical composition, key components, and operational context of Platform-Tools r31.0.3 for Windows.
As of 2025, the current Platform-Tools version is r35.x.x. Why would anyone stick with ? platform-tools r31.0.3-windows
| Command | Use Case | | :--- | :--- | | fastboot devices | Verifies fastboot connection (device must be in bootloader mode). | | fastboot flashing unlock | Unlocks bootloader (wipes data). | | fastboot flash boot boot.img | Flashes a kernel or recovery. | | fastboot flash system system.img | Installs a custom ROM. | | fastboot set_active a | Changes the active boot slot (critical for Pixel/OnePlus). | | fastboot reboot | Exits fastboot and restarts the phone. | | Command | Use Case | | :---
: Ensure you have fastboot.exe in the same folder as adb.exe . If missing in your download, your ZIP is corrupt. Re-download r31.0.3 from the official source. | | fastboot flash system system