The advantages of this techniqueautomatic upgrades are the following:

The advantages of automatic upgrades are the following:

An Internet connection.

An Internet connection

It might not always be possible to do an automatic upgrade as described [[above|upgrade#automatic]]. For example, when:

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:

After connecting to Tor, a dialog informs you if you have to
upgrade your USB stick using *Tails Installer*
Cloner* to a newer version of Tails.

After connecting to Tor, a dialog informs you if you have to upgrade your USB stick using *Tails Cloner* to a newer version of Tails.

<p>When doing automatic upgrades, the size of the download increases over time.
If you do a manual upgrade, the size of future automatic upgrades will become
smaller again.</p>

<p>When doing automatic upgrades, the size of the download increases over time.
If you do a manual upgrade, the size of future automatic upgrades will become
smaller again.</p>

½ hour to upgrade

- Your Tails USB stick - Another up-to-date Tails (USB stick or DVD) - ¼ hour to upgrade

Another up-to-date Tails (USB stick or DVD)

½¼ hour to upgrade

¼ hour to upgrade