Multirom v2.2 , DualBoot Patcher For (G800H/HQ)
tutorial also changed please read again ;)
Code:
/*
* Your warranty is now void.
* I am not responsible for bricked devices, dead SD cards,
* dead phones , car explosion , your phone explosion
* thermonuclear war, or you getting fired because the alarm app failed. Please
* do some research if you have any concerns about features included in this tool
* before flashing it! YOU are choosing to make these modifications, and if
* you point the finger at me for messing up your device, I will laugh at you.
*/ I'm proud to present you the first dual boot project for the Qualcomm-based Samsung Galaxy S3 Neo and Samsung Galaxy Grand 2 and Galaxy S5 mini ! This will allow any ROMs and as many as you want to be installed at the same time. It works by patching the secondary's ROM installation scripts and boot image to load the ROM files from an alternate location (/system/dual, /cache/dual, and /data/dual). Because of the way this is implemented, no changes to the primary ROM are necessary :D
About :
Hello guys, as some of you guys know and some of you dont I was working on dual boot and dual boot v1 beta, which was released in our great Telegram group, but not in XDA, because of some reasons and rude MAXSIMUS96 that doesn't have any respect to a great development. But anyway I dont care :P
Lets Start
Well here's v2.2 + dbtools removed :P
patched files are flashable with recovery now
added full s3 neo support :angel:
added full grand 2 support :angel:
added full s5 mini support :angel:
Now you can have unlimited ROMs!
Tested with 4 CMROMs + 2 stock ROMs
Here's the topic of the base tool used: Dual Boot Patcher :)
Here :P
Make sure you leave a like on the great post of base tool I used here ;)
What is Dual Boot or Multiboot?
DualBooting or multi Booting means having 2 or more ROMs at same time on the phone and choose between what you want to boot on next reboot
Why i need this? Is it even useful???
Yes it is! You can fix offline charging on some ROMs like CM12.1, you can have stock battery life, motion beauty, CM12.1's and CM11's performence at the same time without flashing any of them. Just one click from changing to the ROM you like ;)
Whoa that sounds awesomeeee! is it difficult to install??
In v1 yes, but now on v1.5 i added dbtools (DualBootTools) that make most of things automated and even easier for noobs :P
now v2 things got even easier :D full s3 neo support
Any ScreenShots !?
see post #3 attachments ;)
I want to see how it is ! is it possible , any videos ?? !?
see post #3 post ;)
First Things first ! Go and make Backup of your files
Requirements :
an S5 mini :p
root access of course
busybox if you are on stock ROM
recovery (twrp 3.0.0 is the best)
brain (the most important)
time and being relaxed ;)
downloaded files
installation tree:
download and preparing files
setting kernel
patching the ROM
flashing
switching ROM
updating ramdisk
extras...
done enjoying ;)
Explaining the tools
First: dbtools (removed due v2)
DualBootPatcher:
the great app mentiond above that made dualbooting possible
installation :
Now we know all about the tools,so it's time to use our brain :p
Now download and install DualbootPatcher app
if you are on motion rom install Motion fix zip at downloads section . it will change device codename back to s3ve3g
Open the app
Slide the menu and go to ROMs
It will request for root access
Allow the root access
and a message will ask about to set the kernel
Select "set now" and after it said kernel set reboot your device
Now after device is turned on
Go to the app and navigate "Patch Zip File"
and tap that + button select ROM you want to install
A window will come up and if you see in "device" "s3ve3g - Samsung galaxy s3 Neo or ms013g - Samsung Galaxy Grand 2 or kmini3g - Samsung Galaxy s5 Mini" you done everything right.
then:
If you are CMuser and want to install another CM
Select the partition configuration as "Secondary"
If you are trying to install another ROM that has a huge system
Select partiton configuration as "data slot" and select an ID for the ROM better to be a number
(It will be installed on data partition )
and select continue and set place of patched file .
you can add more files to patch there .
and after you are ready to patch the files tap that tick button in action bar
to start patching
After you patched the zip ROM go ahead and navigate to ROMs from the menu
and select button down there and select patched zip and then select keep location and add more or select tick to start install
if any thing wrong happend PM me on telegram and send me multiboot.log in internal storage.
after ROM is installed
it will auto select the ROM, if it did not report me
now use three dot on side of primary and select update ram disk
now use three dot on side of new ROM and select update ram disk
after it said done reboot the device and see the magic !!!!
your new ROM is booting !!!!
Cool, let's stop enjoying and continue :P
now after you ROM booted take your time to setup the device and go and install dualboot patcher app again
Go to ROMs and allow root access and
now use three dot menu in side of primary ROM and select update ramdisk
now use three dot in side of new ROM and select update ramdisk
and now ENJOY your dual booted phone for now on you just need to select the ROM and boot into it
it doesnt need updating ramdisk any more.
How to flash a kernel gapps, camera fix, etc.?
Just patch the file to same partition configuration and flash with app
or patch it with recovery tools and flash
How to boot into other rom if you have boot loop with the current rom ?
boot into recovery twrp 3 and select images , navigate to /sdcard/multiboot/ and you see your ROMS listed in folder , like primary , dual , etc .... open the folder of ROM you desire to boot and flash boot.img to boot partition and reboot the phone
How to Wipe the roms ?
go to rom options in dualboot app select wipe rom and tick all of them and done .
Thanks & credits
It's all done now, thanks for reading carefully
Please at least leave a THANKS to the topic, it make me feel better and work harder on v2 for our device.
I can't receive any donation due to my country. It will be really nice if you send me donations with google gift cards
credits : DualBootPatcher Developer : @chenxiaolong
@LGaljo for his great help about fixing grammar mistakes and thanks to @Swp1996 for testing on grand 2 and thanks to @sasukesama for testing and helping with s5 mini and thanks to @ziad311 for testing v2 & thanks too @German Developer for video tutorial
hitting thanks button isn't that hard guys
Version Information
note SEANDROID ENFORCING is not a bug it's needed so please don't try to edit the work without permission or try to fix SEANDROID ENFORCING!!!!
What is working and what is not working on the ROMs?
Everything works great :p
Only bug is about CM11 :
Files created by CM11 ROM can't be opended with the other ROM :B
That's only problem .
Status : stable beta
version : 2.2
dbtools version : removed in v2
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