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Warning: The provided instructions are for crDroid 11 running on Galaxy A70 (a70q). 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 proceed, remove all Google accounts from your device to avoid "Factory reset protection" (FRP)!
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 (referred to as crdroid.zip).
- Download support files from the site:
- recovery.img
- vbmeta.img
- Download the latest GApps (referred to as gapps.zip).
- Ensure you are on latest available firmware for your device.
Unlocking bootloader (only needed the first time or if it gets locked again).
This WILL factory reset your phone, you'll loose all the data on the phone, so back up any data 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 the OEM unlocking option doesn't exist, your phone is not unlockable, likely it was purchased from a carrier like Verizon that restricts unlocking so you cannot continue).
- Turn off the phone.
- Hold down volume down and volume up, and while doing this, plug the phone into your computer.
- Once the Warning screen appears, let go of all buttons.
- Hold down volume up until it says "Unlock bootloader?", then press volume up again.
Installing the recovery
You will have to install Odin and the Samsung USB drivers on a computer, which requires Windows XP or later, or you can do it from heimdall (latest version or at least 2.0.2) under Linux.
- Turn the phone off
- Hold down volume down and volume up and plug the phone into your computer.
- When the Warning screen appears, let go of all buttons.
- Press volume up to enter 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 you must pack both files on a plain tar file and then select that tar for AP. Go to "Options", and verify "Re-Partition" is unchecked. Having it checked may result in a brick. Then "Start"
- When the phone reboots, hold down volume up and power until it boots into recovery
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.
- Enjoy the fun ...
Dirty flash via recovery (this can be used to manually update installation):
- Reboot into Recovery using adb reboot recovery or with the key convination noted above.
- In crDroid Recovery, go 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:
- 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.