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Installation » History » Version 22

Mark Matney, 07/25/2019 05:07 AM
improve wording

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h1. ReplicantInstallation
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h2. Installation overview
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The installation of Replicant involves several steps:
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# Obtain a supported device
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# Backup the device
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# Install the recovery image
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# Wipe the storage volume partitions
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# Install the operating system
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# Factory reset the device
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# Reboot the device
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# Backup the modem data partition (EFS)
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Each step must be performed in sequence.
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h2. Obtain a supported device
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Replicant can only be installed on one of the [[Index#Supported-devices|supported devices]]. Please make sure that you have the correct device model before proceeding.
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*The model number on your device must exactly match the model number specified on the Replicant wiki page for that device.* For example, if you want to use the [[GalaxyS2I9100|Galaxy S 2]], you must obtain the GT-I9100 model (not SGH-I777, etc.).
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h2. Backup the device
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If your device storage contains any data that is important to you, back it up now. All existing data will be erased during the installation.
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h2. Install the recovery image
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To install the [[RecoveryImage|Replicant recovery image]], follow the instructions on the [[RecoveryInstallationWithHeimdall|Recovery installation with Heimdall]] wiki page.
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After flashing the recovery image to your device, it should have rebooted into the recovery.
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h2. Wipe the storage volume partitions
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To ensure that the new partitions are formatted correctly, you must wipe the existing partitions.
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h3. Wipe system partition
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To wipe the system partition, from the recovery main menu:
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# Select *Advanced*.
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# Select *Wipe system partition*.
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# It will ask you to confirm the wipe, so you will need to select *Yes* to confirm it.
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# Press the back key to get back to the recovery main menu.
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h3. Wipe cache and data partitions
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To wipe the cache and data partitions, from the recovery main menu:
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# Select *Factory reset*.
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# Select *Wipe data (keep media)*.
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# It will ask you to confirm the wipe, so you will need to select *Yes* to confirm it.
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# Press the back key to get back to the recovery main menu.
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h2. Install the operating system
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Choose one of the following installation methods:
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* [[InstallOrUpgradeReplicantWithoutAComputer|downloading the installation files directly to the device, without the need of a computer]]
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* [[InstallOrUpgradeReplicantFromMicroSD|using a computer and a microSD]]
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* [[InstallOrUpgradeReplicantFromInternalStorage|using a computer and the internal storage to store the installation files]]
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h2. Factory reset the device
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To perform a factory reset, from the recovery main menu:
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# Select *Factory reset*.
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# Select *Wipe data (keep media)*.
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# It will ask you to confirm the wipe, so you will need to select *Yes* to confirm it.
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# Press the back key to get back to the recovery main menu.
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h2. Reboot the device
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From the recovery main menu, select *Reboot system now*.
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Congratulations, you have successfully installed Replicant!
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h2. Backup the modem data partition (EFS)
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Some of the devices supported by Replicant have a partition that contains the modem data (called EFS).
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Now that Replicant is installed, it's a good idea to do a backup of it if your device has one.
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This way it would be way easier to restore it if it becomes corrupted ("it can sometimes happen with Replicant":https://redmine.replicant.us/issues/1869).
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For a list of devices that have a modem data partition, and for instructions on how to do a backup of it, see the [[BackupTheEFS|BackupTheEFS]] wiki page.