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[EOL] MultiROM v33(e) for OP3/3T [UNIFIED]

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MultiROM for the Oneplus One
MultiROM is one-of-a-kind multi-boot mod for Oneplus 3. It can boot any Android ROM as well as other systems like Ubuntu Touch, once they are ported to that device. Besides booting from device's internal memory, MultiROM can boot from USB drive connected to the device via OTG cable. The main part of MultiROM is a boot manager, which appears every time your device starts and lets you choose ROM to boot. You can see how it looks on the left image below and in gallery. ROMs are installed and managed via modified TWRP recovery. You can use standard ZIP files to install secondary Android ROMs and MultiROM even has its own installer system, which can be used to ship other Linux-based systems.

Features:
* Multiboot any number of Android ROMs
* Restore nandroid backup as secondary ROM
* Boot from USB drive attached via OTG cable

You can also watch a video which shows it in action.
Warning!
It _is_ dangerous. This whole thing is basically one giant hack - none of these systems are made with multibooting in mind. It is no longer messing with data partition or boot sector, but it is possible that something goes wrong and you will have to flash factory images again. Make backups. Always.
Installation
Firstly, there are videos on youtube. If you want, just search for "MultiROM installation" on youtube and watch those, big thanks to all who made them. There is also an awesome article on Linux Journal.

Note 1: Your device must not be encrypted (hint: if you don't know what it is, then it is encrypted).

MultiROM has 2 parts you need to install:
  • Modified recovery - You cand download the unified IMG file here, or specific for OP3 from second post and use fastboot or TWRP or Flashify app to flash it.
  • MultiROM - download the unified ZIP file here, or specific for OP3 from second post and flash it in recovery.
  • Go into TWRP MultiRom settings and check "Enable No-KEXEC Workaround"
Your current rom will not be erased by the installation.
Download links for specific OP3 version are in the second post.

WORKAROUND for FCs
If you get FC's in your secondary, edit build.prop in that secondary's /system dir and set:

Code:
#ro.sys.sdcardfs=true
...to comment the line (don't delete, don't set to false).

Don't boot before editing this line (flash secondary, edit and then boot).

You can edit in your primary if you are rooted, looking into:

Code:
/sdcard/multirom/roms/<your_sec_rom>/system/build.prop
*You can also try using multiromfix.zip, available in this post, thx to @Startrek852 (to disable sdcardfs support in that secondary).


Adding ROMs
1. Android
Go to recovery, select MultiROM -> Add ROM. Select the ROM's zip file and confirm. As for the space, clean installation of stock 6.x after first boot takes 900+mb of space.
Using USB drive
During installation, recovery lets you select install location. Plug in the USB drive, wait a while and press "refresh" so that it shows partitions on the USB drive. You just select the location (extX, NTFS and FAT32 partitions are supported) and proceed with the installation.
If you wanna use other than default FAT32 partition, just format it in PC. If you don't know how/don't know where to find out how, you probably should not try installing MultiROM.
If you are installing to NTFS or FAT32 partition, recovery asks you to set image size for all the partitions - this cannot be easilly changed afterward, so choose carefully. FAT32 is limited to maximum of 4095MB per image - it is limitation of the filesystem, I can do nothing about that.
Installation to USB drives takes a bit longer, because the flash drive is (usually) slower and it needs to create the images, so installation of Ubuntu to 4Gb image on my pretty fast USB drive takes about 20 minutes.
Enumerating USB drive can take a while in MultiROM menu, so when you press the "USB" button in MultiROM, wait a while (max. 30-45s) until it searches the USB drive. It does it by itself, no need to press something, just wait.
Updating/changing ROMs
1. Primary ROM (Internal)
  • Flash ROM's ZIP file as usual, do factory reset if needed (it won't erase secondary ROMs)
  • Go to MultiROM in recovery and do Inject curr. boot sector.
2. Secondary Android ROMs
If you want to change the ROM, delete it and add new one. To update ROM, follow these steps:
  • Go to MultiROM -> List ROMs and select the ROM you want to update.
  • Select "Flash ZIP" and flash ROM's ZIP file.
Source code
MultiROM - https://github.com/MR-op3/multirom
Modified TWRP - https://github.com/MR-op3/android_bootable_recovery
MultiROM device tree - https://github.com/MR-op3/device_oneplus_oneplus3
Thanks a lot to Tasssadar for creating this awesome utility.
And to @nkk71 for the No-KEXEC workaround

MultiROM, Tool/Utility for the OnePlus 3


XDA:DevDB Information
MultiROM OP3/3T, Tool/Utility for the OnePlus 3

Contributors
martinusbe, BitOBSessiOn

Version Information
Status: Alpha
Current Beta Version: 3.0.3-2
Beta Release Date: 2017-02-12

Created 2016-07-10
Last Updated 2019-09-10
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10th July 2016, 07:13 PM |#2  
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Reserved
Downloads
IT WILL NOT WORK WHEN ENCRYPTED
How-To by @bihariel
MultiRom for oneplus3
Recovery 08/03 Fixed usb-otg
multirom-20160814-v33b-UNOFFICIAL-oneplus3.zip
uninstaller
Update 11/26
Recovery 11/26
multirom-20161126-v33e-UNOFFICIAL-oneplus3.zip
Update 02/05/2017 op3
for new firmware 4.0.+, so older roms/kernels will not work on this!
AFH folder here
Update 02/20 by @BitOBSessiOn Unified
In post #1183
Update 03/10 Unified By BitOBSessiOn
recovery https://www.androidfilehost.com/?fid=745425885120713897
mr zip https://www.androidfilehost.com/?fid=817550096634752067
Update 08/07 by BitOBSessiOn
Post #1950

Flashable zip to fix your locksettings can be found here

MR Manager TBO 2016/08/17
Multirom Manager apk with oneplus support
Changelog:
- Darkened UI by @daveyannihilation #WhiteUImustDie
- Added icons for OOS, Tipsy, Tesla, Validus, Slim (needs the new zip flashed)
- Supports all Oneplus devices, Redmi2, Lux unoffically (to use the icons, the MR maintainer will need to update his MR zip)
MR Manager TBO 2017/04/21
Multirom Manager apk with added oneplus3T support

Flash recovery
Flash multirom zip
Enable kexec workaround in TWRP mr settings
Enjoy!
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10th July 2016, 07:13 PM |#3  
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Reserved
Please read all about the no-kexec workaround from the author directly, (to avoid duplicity and get latest information), thanks to @nkk71
http://forum.xda-developers.com/show...26&postcount=4

*Updated MultiROM Manager APK available here.

*FCs in secondaries should have been fixed in latest TWRP-MROM versions.
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10th July 2016, 07:31 PM |#4  
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Thank you,
Hope someone can add support for Oxygen OS and a kernel with kexec support.
10th July 2016, 07:33 PM |#5  
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Hello, MultiRom does not recognize the recovery amends
10th July 2016, 07:35 PM |#6  
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Quote:
Originally Posted by bihariel

Thank you,
Hope someone can add support for Oxygen OS and a kernel with kexec support.

Its a first build, give me a minute, i have a family

Quote:
Originally Posted by jejemc

Hello, MultiRom does not recognize the recovery amends

i know
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10th July 2016, 09:17 PM |#8  
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Unreal work bro much alohas
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10th July 2016, 09:55 PM |#9  
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And here we are!! Thanks a lot @martinusbe, working like a charm!
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10th July 2016, 10:25 PM |#10  
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Superfast! Many thx! Can´t wait to get my oneplus3
11th July 2016, 01:44 AM |#11  
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Dope. Nice way to use cm13 if I need dash boot into oxygen OS awesome!!
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