Crdroid: Bootimg Install

If you get a signature verification error in recovery, select "Install anyway" only if you are certain you downloaded the correct files for your specific device codename.

It is highly recommended to wipe the cache after flashing a new boot image: fastboot erase cache Use code with caution. Reboot your phone: fastboot reboot Use code with caution. Troubleshooting crdroid bootimg install Potential Cause Wrong boot.img version. Reflash the boot.img from the exact same ROM build. fastboot flash boot fails Locked Bootloader. Ensure fastboot flashing unlock was successful.

| Feature | Standard boot.img Installation | "Hybrid" Recovery Installation | | :--- | :--- | :--- | | | boot.img (includes the kernel and sometimes a recovery ramdisk) | boot.img (kernel) and a separate recovery.img | | Method | Flash boot.img (and possibly vendor_boot.img , dtbo.img , etc.) directly to the device's boot partition. | Flashing the recovery environment to a dedicated partition ( recovery.img ) to gain access to more advanced features. | | Recovery Access | Recovery is usually included within the boot.img or vendor_boot.img itself, accessed by holding volume keys after flashing these images. | Recovery is a separate image that must be flashed to its own partition. Booting into it is often a different process (e.g., holding Power + Volume Up after flashing). | | Common Use Cases | Newer, more streamlined custom ROM installations where the recovery is integrated into the boot image. | Devices with a dedicated recovery partition (common on older phones) or those that require a specific custom recovery like TWRP for the installation. | | Additional Files | May include init_boot.img , vbmeta.img . | Always includes a separate recovery.img , often alongside vbmeta.img and sometimes super_empty.img . |

fastboot boot stock_recovery.img # temporary boot adb shell dd if=/dev/block/by-name/boot of=/sdcard/stock_boot.img crdroid bootimg install

Depending on your device architecture (A/B partition system or standard structure), choose the correct flashing method below. Method A: For Modern A/B Partition Devices (Standard)

Download the latest crDroid ROM zip and the matching boot.img for your specific device model from the official crDroid website. USB Debugging: Enabled in Developer Options on your phone.

You cannot boot crDroid over stock user data encryption structures. If you get a signature verification error in

Installed on your PC (Google's Platform Tools are recommended).

Ensure the boot.img matches your exact device model and the exact version of crDroid you intend to run. Flashing an incompatible kernel will result in a hard brick or immediate bootloop. Option A: Standard Flashing (For most devices)

The terminal will display a progress percentage. The on-screen UI will log individual installation steps. The process often intentional stalls at 47% or indicates a script validation step; this is normal behavior. Step 7: Optional Packages (GApps and Root) Ensure fastboot flashing unlock was successful

Method A: For Modern A/B and Virtual A/B Devices (Most Common)

Extract the folder to an easily accessible location on your PC (e.g., C:\platform-tools ). 3. Enable USB Debugging On your current ROM, go to .

Use the volume keys on your phone to navigate the fastboot menu until you see . Press the Power button to select it.