h1. Heimdall/Recovery Installation

*Warning: flashing another operating system like Replicant may void your warranty and will erase the data stored on the device.*

This guide assumes your phone is supported by Heimdall and installation is to be done using recovery.

h2. Download the files

* Refer to your device page to find a link to the latest images (*Last images* part of the table).
* Download the images *and the md5 checksum*
* Download and install heimdall: http://www.glassechidna.com.au/products/heimdall/

h2. Copy the files to the device

h3. Using the internal memory 

# Mount usb storage from the current system of your phone
# Create a directory *at the root* of the usb storage
# Copy the downloaded images *and md5 checksum* to this directory

h3. Using a µSD card

# Mount the µSD card, make sure it's fat32
# Create a directory *at the root* of the µSD card
# Copy the downloaded images *and md5 checksum* to this directory

h2. Key combinations for Download mode

| *Device* | *Keys (held together)* |
| *Galaxy S* | VOL-, SELECT, POWER |
| *Galaxy S2* | VOL-, SELECT, POWER |

h2. Prepare the phone

# Turn the phone off, disconnect any USB cable
# Hold the key combination for Download mode (release only when in Download mode)
# You should be in Download mode. If not, remove the battery and retry the steps above
# You might need to confirm that you want to _download a custom OS_
# Once the Download screen is waiting, plug the USB cable

h2. Flash the images

# Flash the recovery image using heimdall:
<pre>
./heimdall flash --kernel path/to/recovery.img
</pre>
# The phone should reboot and heimdall indicate that the operation was successful
# Wait until recovery boots
# You should be in recovery mode. If not, remove the battery and retry the steps above
# Select *flash images*
# Choose the location of the images (internal sdcard is the phone's internal memory, sdcard is the µSD card)
# Confirm flash
# Get back to the general menu
# Select *wipe data/factory reset*
# Confirm wipe
# Get back to the general menu
# Reboot

*Your device should now be running Replicant!*