Modern smartphones utilize seamless system updates and have two slots ( boot_a and boot_b ). To ensure the recovery writes correctly, target both slots using this command:
With all files ready, we can now proceed with the installation. The exact steps can vary by device, but this is the core process that works for the vast majority.
Once the terminal outputs a success message ( OKAY [ x.xxx s] ), you can proceed depending on your ultimate goal: crdroid bootimg install
Open the output folder created by the tool and move the extracted boot.img into your platform-tools folder. Step 3: Boot Your Device into Fastboot Mode
Boot into Fastboot mode. This is usually done by holding simultaneously, though some devices (like Pixels) require Power + Volume Up . Phase 3: Flash the boot.img Modern smartphones utilize seamless system updates and have
: Ensure your device has at least 60% battery life remaining.
Unlike older devices where you might flash a custom recovery (like TWRP) to a dedicated recovery partition, many newer devices combine the recovery into the boot.img [4, 6]. Flashing this file ensures your device can boot into an environment that recognizes crDroid's update packages and security keys [1, 3]. Once the terminal outputs a success message ( OKAY [ x
The boot.img alone does contain the system partition. You still need to flash the ROM zip. The correct order:
Modern crDroid zip files handle recovery files in two different ways depending on your device architecture. Method A: Direct Extraction (For older or specific devices)
Extract the SDK Platform Tools folder onto your computer (e.g., C:\platform-tools ).
| Method | Difficulty | Speed | Best for... | | :--- | :--- | :--- | :--- | | | Very Easy | Slow | A quick, one-time extraction of small files | | payload_dumper (Python) | Moderate | Slow | Users comfortable with command-line operations | | payload_dumper_go (Go) | Moderate | Very Fast | When you need to extract multiple files quickly |