Fastboot Android-product-out Not Set 2021

If you are working within the Android Open Source Project (AOSP) or a custom ROM tree (like LineageOS), the error usually means you haven't "initialized" your terminal session correctly. source build/envsetup.sh Select your target: lunch [your_device_combo]

fastboot flashall

Specifically, the ANDROID_PRODUCT_OUT variable points to the directory containing these compiled binaries. When you run a command like fastboot flashall , the tool looks for this variable. If it is empty or "not set," the process halts because it doesn't know what files to flash. Method 1: The Quick Fix (Manual Path) fastboot android-product-out not set

Instead of using the convenient fastboot flashall command (which relies on the variable to find all images), manually flash individual images by providing their full path.

The error message "fastboot android-product-out not set" occurs when the If you are working within the Android Open

Just remember to update the path when you switch devices or build new images.

fastboot flash boot /full/path/to/boot.img If it is empty or "not set," the

When you compile the Android Open Source Project (AOSP) or any custom ROM from source, the build system generates a multitude of files, including the crucial system.img , boot.img , vendor.img , and others. These files are output to a specific directory on your machine.

These commands rely on ANDROID_PRODUCT_OUT to find device.zip or partition images. Without the variable, Fastboot cannot locate the necessary files.