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

h2. install the zip with adb

In the recovery.
1. Select *Apply update*
2. Select *Apply from ADB*
3. Back to the host computer, load the system zip with sideload:
<pre>
adb sideload path/to/replicant-6.0-i9300.zip
</pre>
4. 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.