adb sideload crdroid-14.x-xxxxxxxx-device.zip

This was the moment of truth. The crdroid_recovery.img wasn't just installing a ROM; it was rewriting the phone's DNA. It was replacing the sluggish, locked-down bootloader logic with a streamlined, optimized kernel that listened to the user, not the manufacturer.

The primary way to push the ROM zip file from your computer to the phone.