h1. ReplicantReleaseNotes

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h2. Replicant 6.0 0004

h3. Warning 

Replicant 6.0 0004 has not been released yet, at the time of writing we only have RC images.

So the information in this section may change over time.

h3. Installation and upgrade instructions

h4. Installation from scratch

To erase all the data on the device and install this release, you can use the [[ReplicantInstallation]] instructions.

You will need to use these instructions which also erase all the data on the device if:
* You are installing Replicant 6.0 0004 from scratch
* You are upgrading from Replicant 4.2 or earlier

You can also use these instructions if erasing your data is not an issue.

h4. Upgrading from a previous Replicant 6.0 version

The upgrade instructions are different than usual because:
* All the release of Replicant 6.0 after the 0003 have been signed with different keys than the ones before.
* The contact database has changed format due to the removal of nonfree Ambient SDK code

h5. From Replicant 6.0 0003

First you will need to prepare your device for the migration of the contact database. See the [[MigrateContactsDatabase]] article for the instructions on how to do that.

Then once this is done, for migrating to Replicant 6.0 0004, you will need to read the [[AndroidSystemKeyMigration]] article before following the [[MinorVersionUpgrade]] installation instructions.

h5. Galaxy Nexus and a Galaxy Tab 2 graphics

Due to a bug with the integration of a new, more compatible graphic stack based on llvmpipe, once booted, the Galaxy Nexus and a Galaxy Tab 2 graphics are extremely slow.

So if you have a Galaxy Nexus (GT-I9250), a Galaxy Tab 2 (GT-P3100, GT-P3110, GT-P3113, GT-P5100, or GT-P5110 ) you might also want to restore the previous graphics stack.

To do that, you can follow the [[EnablingRootAccess]] article to get root access on the device, and run the following command on the device:
<pre>
graphics.sh faster
</pre>

It will reboot and restore the previous graphic stack.

The [[Graphics#Methods-to-choose-the-software-renderer]] article also has more details on the topic.

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