h1. Install or upgrade Replicant with adb

h2.  Requirements

First make sure you have adb installed. If you don't the [[ToolsInstallation]] page has instructions for doing that.

h2. Download the update file

1. First find the latest update file for your device in [[ReplicantImages]], it will look like that:
<pre>
replicant-6.0-<yourdevice>.zip
</pre>

For instance for the Samsung Galaxy S2, the update file will be named replicant-6.0-i9100.zip
2. Download the update file on your computer


Reboot to recovery

1. Press the power button
2. Select Reboot
3. Select Recovery
4. Press OK

You can then install the zip with adb. In the recovery:
1. Select *Apply from ADB*
2. Back to the host computer, load the system zip with sideload:
<pre>
adb sideload path/to/replicant-6.0-i9300.zip
</pre>
3. Wait for the transfer and the installation of the files to complete. 
   Note that the percentage can stop updating at some point, way before the 100%.
   In that case just wait for the transfer and files installation to complete.