[MOD]Dual-Boot Roms[New ROM Added][OxygenRC3, PCF v5, more coming after weekend...]

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androidboss7

Senior Member
Aug 20, 2011
1,408
84
Samsung Galaxy S21+
I have added to start post. You can try it :) I'm making all of the roms dual boot version. But if i can find a way to build a new bootloader it will be better. Now im using ICS Beta 2 in sdcard im gonna upload it now :)

Edit: It's uploaded now :)

http://www.wupload.com/file/2629954627/icsbeta2sec.zip

So how do we apply this ?

Edit: i know now

Has anyone actually tried this? Also it would be good if u write down what we need to make this work. For example 8GB SD card.

Sent from my LG GT540 using xda premium
 
Last edited:

andreas__

Senior Member
So how do we apply this ?

Edit: i know now

Has anyone actually tried this? Also it would be good if u write down what we need to make this work. For example 8GB SD card.

Sent from my LG GT540 using xda premium

even the stock 2 gb will be enough but you won't have much storage left for music, videos etc ;)
 
Last edited:

Sadronis

Senior Member
Oct 29, 2009
139
56
Izmir
How can we install zips if recovery is replaced with boot for system on sd?

You can boot recovery from fastboot with these command;
"fastboot boot recovery.img"

And then you can flash the rom from recovery.

I'm gonna try this soon. But can u do stock? Thanks

Sent from my GT540 using xda premium

I'm trying to it for but stock roms doesn't see the second partition on boot so this is a little problem. I'm gonna try to solve it.
 

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  • 15
    Hi, I'm making a dualboot mod for our poor GT540 :) So we can change ROM with one click.

    Now I'm able to boot from second os from sdcard. Now i have to optimize some things(e.g. installing rom from zip, installing update zips from recovery, ...)

    Installing;
    1) Creating Partitions;
    Open up a partition manager then delete all of your partitions then create new 3. First partition will be fat for sdcard data music, picture etc. Second will be ext2 and will be used for /data partition and third one is for /system partition.
    Video tutorial:


    2) Download ROM from below(more roms will be added soon!) and place it in your sdcard.

    3) Install it like usual rom installing...


    ROMS:
    Utopia v1:http://d-h.st/bw2
    SDSL v2:http://d-h.st/XjS

    Wupload deleted the other roms I'll try to upload all of them...

    ZIPs:
    Gapps:http://d-h.st/HKV
    LG_Ime_Keyboard:http://www.wupload.com/file/2629890007/lg_imedual.zip

    Credits:
    Thank you nutterbg!(For giving me the idea of mounting.)
    Thank you Pcfighter!(For making that great rom!)
    Thank you Mikegapinski!
    Thank you DevSwift!
    Thank you Miroslav!

    P.S:I think second OS is booting faster but im not sure. I will test it later.
    3
    I have done smt. I hope you can understand :)
    Get in this album and follow the images: http://imageshack.us/g/521/image2nss.png/
    3
    I have done the Utopia thank you for recovery .zip i'm uploading it now. 30 mins... BTW Wupload deleted all the linkes i'll upload all of them soon...


    Edit:

    Still in upload...
    2
    I did everything again and it doesnt work...i had to format system partition of my phone and reflash recovery :O

    Can you once try SDSL v2 for test? So i'll redownload and try the uploaded zip to if it's corrupted...
    1
    It would seem it fails to provide a shell. Maybe searches for it in the new location, and it's not there? Make sure it's accessible in both places. Otherwise maybe try to mount system so it can use the shell, and then try to remount the new one from sdcard. I don't know...