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[APP][Unofficial]Dual Boot Patcher for Xperia M

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By Mysteryagr, Recognized Developer / Recognized Contributor on 13th August 2017, 05:15 PM
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Hello all, I added support for Xperia M single and dual sims in Dual Boot patcher, but since my phone is bricked, I couldn't test before I make this release, however I am sure it should work as expected. Test and give your feedback


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I am proud to present first Dualboot project For Xperia M. This will allow any number of ROMs to be installed at the same time. It works by patching the secondary ROM's installation scripts and boot image to load the ROM files from an alternate location (like /data/multiboot). Because of the way this is implemented, no changes to the primary ROM are necessary

What is DualBootPatcher?
DualBootPatcher is an open-source app that allows multiple ROMs to be installed on a single Android device. It does its best to work with existing code and does not require explicit support from ROMs. There are currently 200+ supported devices and their variations.

Information:
I have managed to support for Xperia M to the DualBootPatcher App, I am not the developer, I am just the maintainer.
It's awesome and useful for testing out roms or if you want, switching ROMS.

Disclaimer:
Code:
Your warranty is now void.
I am not responsible for bricked devices, dead SD cards, 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 ROM 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. Hard. A lot.
Requirements:
1. A Custom Recovery (TWRP)
2. A ROM
3. Dual Boot Patcher app from the download section below.
4. Root

What does the app do ?:
It patches...
  • Custom kernels for dual boot support
  • ROMs so that they can be installed as secondary
  • Google Apps packages for AOSP-based ROMs
  • SuperSU so that it can be used in the secondary ROM

How to use the App?
- Download, install and open the app.
- Swipe to the right to open the menu. Click "ROMS". Now if this is the first time you use it, it will ask you if you want to set kernel. Do so!
- After it has finished go to ROM Settings (primary ROM 3 dot menu) and select Update Ramdisk. It will update it and will ask you to reboot. Press Reboot Now, or Reboot later.
- Now Download any ROM you like and open the app again and open the menu and open Patch Zip File from the menu. Ensure that your Device is set correctly and under Partition configuration select secondary (will install 2nd ROM in /system) or data or external SDCard slot.
- Click continue and select where to save the patched file.
- You should see the file is being put in "Queue". Just click the confirm button to the upper right.
Note: If you want to go back, just swipe the ROM in queue to right and start over.
- The app will patch the zip. When done, go back to "ROMs".
- Click "Flash zip files" (the big pink button on the lower right). Click the pink plus button to add your previously patched zip file.
- Locate the file you have patched in step 7. Unless you have changed the name there, it should be something like ROM_name_partition_config_ID.zip (like LOS13-20170807-nicki-Unofficial_dual.zip).
- Click on that file and choose "Keep location". Now confirm the flash with the button on the upper right side.
Note: You can also install the patched zip files in recovery.
- It will now open the terminal and begin flashing the file. This requires some patience. After it has flashed the file you'll see success message in green.
- Now click back and you should see your newly installed ROM along with the Primary ROM.
Note: You can find more options by clicking on the three buttons on each ROM.
- Now reboot and wait till finishing 2nd ROM first boot. install DualBootPatcher apk so you can easily switch ROMs, there is another way to change ROMs: flash DualBootUtilities.zip and switch ROM manually.
Note: Using Bootui:
- Open app then select settings and press install (update) bootui. then Swipe to the right to open the menu. Click "ROMS" again and open secondary ROM Settings) and select Update Ramdisk, Now you can change ROMs simply using boot ui (something like grub bootloader but it works like twrp)

Partitions Configurations:
The patcher offers several locations for installing ROMs:
  • Primary: This is normally used for installing a zip to the primary ROM. It is not required, but is strongly recommended because it has code to prevent the zip from inadvertently affecting other ROMs.
  • Dual: Dual/Secondary is the first multiboot installation location. It installs to the system partition. This is a good spot for installing a second ROM because it doesn't take any space away from the internal storage.
  • Multi-slots: There are 3 multislots: multi-slot-1, multi-slot-2, multi-slot-3. These install to the cache partition. This is specifically for devices, like the Galaxy S4, that have a massive cache partition.
  • Data-slots: There can be an unlimited number of data slots. These install to the data partition and eat up space on the internal storage. This is useful for devices where the system partition is nearly full and the cache partition is tiny. These slots are named "data-slot-[id]", where "id" is something you provide in the app.
  • Extsd-slots: There can be an unlimited number of extsd slots. These install to the external SD card, which is useful as it keeps the ROMs off of the internal storage. Note that the ROM's data files are still stored on the data partition.

How to boot to another ROM ?
This is simple ... There is no reboot to primary, secondary or whatever. So all you have to do is:
1) Go to ROMs section of the App.
2) Click on the ROM you want to boot to. You should see "Switching ROM" message. After few seconds, you should see a report message saying that "ROM successfully switched".
3) Now just do a normal reboot of your device. See the magic! It should boot to the ROM you have switched on step 2.
Note: You can find more options by selecting the three buttons on each ROMs (like creating reboot widgets for directly rebooting to specific rom).
You also need to install the App to all of the ROMs you install. Otherwise, you want be able to boot to other ROMs!

Apps and Data sharing:

To use app sharing, follow these steps in every ROM that you want to use app sharing: (doesn't work with JB ROMs)
  • Install the app you want to share
  • Open DualBootPatcher and go to "App Sharing" in the navigation drawer
  • Enable individual app sharing
  • Tap "Manage shared applications" and enable APK/data sharing for the app
  • Reboot


Other How to ?
Wipe /cache, /data, /system, or dalvik-cache?
The easiest way is to do it from the app while booted in another ROM. Just go to "Roms" in the navigation drawer, tap the 3 dots options menu for the ROM you want to wipe, and tap "Wipe ROM".
Update the primary ROM?
Patch the zip for primary and flash it. The "primary" installation target is designed so that other ROMs won't be affected when you want to flash something for the primary ROM.
Update a non-primary ROM?
Patch and flash the zip exactly like how you did it the first time.
Flash a mod or custom kernel for the primary ROM?
Patch it for primary before flashing. If the zip does not wipe /cache, it is also safe to flash it directly.
Flash a mod or custom kernel for a non-primary ROM?
Just patch and flash it

Source:
Source

All Releases:
Releases

Downloads:
In attachments

Credits:
@chenxiaolong for the awesome DualBootPatcher.
@RendyAK for inspiration, help and tips
@yshalsager For help and tips :P

Enjoy
Attached Files
File Type: apk DBP-SonyXperiaM.apk - [Click for QR Code] (19.11 MB, 244 views)
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15th August 2017, 02:27 AM |#2  
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Reversed
15th August 2017, 07:34 PM |#3  
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Thanks man for your work. I installed second rom in external sd card but I forgot to flash magisk zip file. Now my device boots into second rom but I don't have root access and if I install anything through twrp, it will get installed in system partition which is not the partition for second rom. What should I do now?
16th August 2017, 12:13 AM |#4  
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Quote:
Originally Posted by hhjadeja007

Thanks man for your work. I installed second rom in external sd card but I forgot to flash magisk zip file. Now my device boots into second rom but I don't have root access and if I install anything through twrp, it will get installed in system partition which is not the partition for second rom. What should I do now?

You should read the thread


Anyway, install DBP apk on the secondary rom too, from there you can switch roms

For your root problem, anything that you want to flash into the secondary rom should be patched too; for example you patched LOS13 with the id "secondary" to be installed in external SD card and you want to have root and gapps too, so you have to patch supersu.zip and gapps.zip with the id "secondary" to be installed into external SD card too.

it is simple, and please read the thread next time
16th August 2017, 04:29 AM |#5  
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Quote:
Originally Posted by Mysteryagr

You should read the thread

Anyway, install DBP apk on the secondary rom too, from there you can switch roms

Thanks man for help. I thought I would be needing root access for switching the roms. But it turns out that I don't require root for that. Thanks again
And one another important thing, magisk v13 is not supported in dual app patcher. So ig you want root then flash v12
16th August 2017, 08:50 AM |#6  
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any plan make this app to official, , ,
16th August 2017, 04:17 PM |#7  
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Quote:
Originally Posted by hhjadeja007

Thanks man for help. I thought I would be needing root access for switching the roms. But it turns out that I don't require root for that. Thanks again
And one another important thing, magisk v13 is not supported in dual app patcher. So ig you want root then flash v12

- Use superSU.zip on the secondary rom
- One important note: If you are stuck, or having a bootloop and can't boot into primary rom, reboot into recovery and flash boot.img you backed up when you first used the app, its location is on internal memory, and you can use the same steps to switch to the secondary rom without using the app.
16th August 2017, 04:19 PM |#8  
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Quote:
Originally Posted by mika21

any plan make this app to official, , ,

Already done a pull request to support this app officially, the original developer should accept it, if he done so, you can enjoy official releases and automated builds
17th August 2017, 08:08 AM |#9  
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Great thread sir !!! , sorry too late reading. Will try this soon
18th August 2017, 06:21 PM |#10  
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Quote:
Originally Posted by Nicklas Van Dam

Great thread sir !!! , sorry too late reading. Will try this soon

waiting for feedback
23rd August 2017, 02:59 PM |#11  
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Official support has been added
https://dbp.noobdev.io/supported_devices.html
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