Warning: The provided instructions are for crDroid 12 running on Galaxy F41 (f41). These will only work if you follow every section and step precisely.
Do not continue after something fails!
Do not continue after something fails!
Before you start, make sure you’ve deleted every Google account from the device on a fresh install. This will prevent “Factory Reset Protection” (FRP) from kicking in during the setup steps.
Installation is only possible on a device with unlocked bootloader!
crDroid is provided as-is without warranty, and while we strive to ensure functionality, you install it at your own risk.
We are not responsible for any damage you made to your device. You have been warned!
We are not responsible for any damage you made to your device. You have been warned!
Flashing instructions
Pre-installation:
- Download the latest ROM file (crdroid.zip).
- Download support files from the site:
- recovery.img
- vbmeta.img.
- Download the latest GApps (gapps.zip).
- Ensure your device is running the most newer bootloader version.
Unlocking bootloader (First-time installation only):
This process will factory reset your phone, erasing all data. Back up any important files before continuing.
- Open Settings, and go to About phone -> Software information.
- Tap "Build number" 7 times.
- Go back, then select "Developer options".
- Enable "OEM unlocking", and press "Enable" on the warning (If you are don't see OEM unlocking function in developer settings, so you'll cant unlock bootloader).
- Turn off the phone.
- Hold down the Volume Down and Volume Up buttons. While holding them, connect the phone to your computer.
- When the Warning screen appears, release all buttons.
- Hold down Volume Up until it says "Unlock bootloader?", then press Volume Up again.
Installing the recovery (First-time installation only):
You'll need to install Odin and Samsung USB Drivers on a Windows (XP or later) PC. On Linux, use Heimdall instead.
- Turn the phone off.
- Hold Volume Down + Volume Up and connect the phone to your computer to boot into Download Mode.
- When the Warning screen appears, release the buttons.
- Press Volume Up to continue to Download Mode.
- Get recovery.img and vbmeta.img from the download section.
- For heimdall you must run:
heimdall flash --VBMETA vbmeta.img --RECOVERY recovery.img- For Odin: Package both vbmeta.img and recovery.img into a tar file. In Odin, select this file in the AP slot. Go to "Options", and verify "Re-Partition" is unchecked. Having it checked may result in a brick, then press Start.
- Once the phone reboots, immediately hold Volume Up + Power to boot into the new recovery (Do not disconnect cable).
First time installation (Clean flash):
- Reboot into crDroid recovery by (Vol Up + Power buttons with the device connected to your USB port.).
- Run "Factory reset" > "Format data/factory reset" > "Format Data".
- Tap on "Apply Update" > "Apply from ADB".
- On your PC, open terminal and type the following command to flash;
adb sideload crdroid.zip- Do the sideload steps for gapps and whatever extra thinks you want to install too.
Dirty flash via recovery:
- Reboot into Recovery via adb reboot recovery or the key combination (Vol Up + Power with connected USB cable).
- In crDroid Recovery, navigate to Apply update > Apply from ADB.
- On your computer open Command Prompt or Terminal and execute this command:
adb sideload crdroid.zipUpdate installation via OTA (Over-The-Air):
- Use Updater to update to latest version. Gapps (if installed) are being kept.
- Go to Settings -> System -> Updater and download latest build.
- Choose install and let it finish, it will reboot after that.