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Xperia X installation [answered]

asked 2018-08-25 10:48:30 +0300

Malakay gravatar image

Hello community, I was just wondering if official guide to Install Sailfish X to Xperia F5121 is the only way how to install on this cellphone, or if does exist some another way. I am asking because Jolla says in guide that is not possible to put android back on device after Sailfish X installation.

So I was thinking - I own Nexus 4 Mako and I have Sailfish 2.0.5.6 installed on it. It is installed like this: I rooted android and installed TWRP. Then I downloaded CM zip and SFOS zip and installed it via TWRP. It is working flawlessly. Is it possible to use this progress on Xperia X too? This progress even enabled dualboot option. Thanks for reply

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The question has been closed for the following reason "the question is answered, an answer was accepted" by Malakay
close date 2018-09-24 09:46:41.791639

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answered 2018-08-25 12:50:38 +0300

lolek gravatar image

updated 2018-08-25 12:50:51 +0300

I am asking because Jolla says in guide that is not possible to put android back on device after Sailfish X installation.

That's not true. You can go back to Android but, to get it fully working you have to first backup TA partition with DRM keys.

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ah, okay.so is option similar to my nexus- to make dualboot ?

Malakay ( 2018-08-25 18:11:11 +0300 )edit
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to be honest I have no idea, didn't look into that. Right now I'm waiting for Sailfish 3 to see how it did improve as current version is useless at least for me :(

lolek ( 2018-08-26 01:13:25 +0300 )edit

I am waiting for 3 too - Jolla told me that will be available even for Xperia X, so I want to buy license, but in advance I am gathering info about its features, because I don´t want cellphone without some working features. So as a daily device I use Nexus 4, where everything works okay.

Malakay ( 2018-08-26 14:21:21 +0300 )edit

@Malakay: Regarding dual boot :

Not in the current form :

  • Android and Sailfish both use /dev/mmcblk0p52.
    • Android uses it to store the factory-state of the system (so it can "reset to factory" by purging any user data).
    • Sailfish X uses to store compressed backups of the factory system (so it can "reset to factory" by restoring the backups)
  • Android and Sailfish both use /dev/mmcblk0p51.
    • Android store the user data (anything that the user has installed / upgraded on top of the factory state)
    • Sailfish stores LVM volumes for current uptraded system and for users's home (+android data)

Both OSes require the exact same partition with completely different content and use.

@Malakay, @lolek : which features are you currently missing ? Android 5.0 apps, I would guess ?

DrYak ( 2018-09-03 14:49:32 +0300 )edit

I have android apps on my Nexus and no problem, but sometimes is handy to start android tu use Google Apps - but not too often. I don´t want to install Gapps or some replacement to Sailfish to protect my privacy.

Malakay ( 2018-09-03 23:10:40 +0300 )edit
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answered 2018-09-24 09:46:29 +0300

Malakay gravatar image

It looks like I have done DRM backup at last, so now this question has no more point :) I have done installation via guide by Jolla :)

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Asked: 2018-08-25 10:48:30 +0300

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Last updated: Sep 24 '18