Tails includes an automatic mechanism to upgrade a USB stick to a newer version. In some cases, it is impossible to do an **automatic upgrade** and you might have to do a **manual upgrade**. This page describes both techniques.

In some cases, it is impossible to do an **automatic upgrade** and you might have to do a **manual upgrade**. This page describes both techniques.

<h1 id="manual">Manual upgrade using <i>Tails InstallCloner</i></h1>

<h1 id="manual">Manual upgrade using <i>Tails Cloner</i></h1>

The automatic upgrade is impossible for technical reasons (not enough memory, not enough free space on the USB stick, etc.).and so on). For example, if you get the following error message:

The automatic upgrade is impossible for technical reasons (not enough memory, not enough free space on the USB stick, and so on). For example, if you get the following error message:

You want to upgrade by cloning from another Tails USB stick which is already up-to-date, for example, when working offline or with a slow Internet connection.