[RECOVERY][DUALBOOT][MAGISK][3.3.1-79][Unified]Unofficial TWRP for OnePlus 7/7 Pro/5G

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SirMario1

New member
Feb 5, 2020
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Will a old DUALBOOT version prove problems in the future?

Hi, I just got a OnePlus 7 Pro and I wanted to install DUALBOOT on it. However, I see that the project got discontinued last week.

Could there be a problem in the future if i install DUALBOOT now and new version of OxygenOS comes out?
Or are those two separate and is DUALBOOT expected to be stable enough for prolonged use (2-3 years)?

I don't think new ROM version will conflict with the partitions DUALBOOT makes but I'm asking just to be sure.
 
Wishmasterflo

Wishmasterflo

Senior Member
Nov 21, 2018
1,523
1,116
Stockholm
OnePlus 8T
SirMario1 said:
Hi, I just got a OnePlus 7 Pro and I wanted to install DUALBOOT on it. However, I see that the project got discontinued last week.

Could there be a problem in the future if i install DUALBOOT now and new version of OxygenOS comes out?
Or are those two separate and is DUALBOOT expected to be stable enough for prolonged use (2-3 years)?

I don't think new ROM version will conflict with the partitions DUALBOOT makes but I'm asking just to be sure.
Click to expand...
Click to collapse

Hello!
Yes I already see issues now when one slot is haveing Android 11 and the other has Android 10.
It works but when flashing the dualboot to the slot where Android 11 is installed it gets stuck when patching that Android 11 slot so that slot stays without TWRP then.

I actually dont have the Oneplus 7 anymore since it broke a few days ago so I got a Oneplus 6t now and will adjust this script to that one now but there seems to be some things that needs to be adjusted in order to work correctly with Android 11 as it seems.

Lets hope that someone else will pick up this project again and try to modify/adjust it for Android 11 etc. I guess I have dificulties to figure out/fix this myself.
 
Last edited:
S

SirMario1

New member
Feb 5, 2020
2
0
Wishmasterflo said:
Hello!
Yes I already see issues now when one slot is haveing Android 11 and the other has Android 10.
It works but when flashing the dualboot to the slot where Android 11 is installed it gets stuck when patching that Android 11 slot so that slot stays without TWRP then.

I actually dont have the Oneplus 7 anymore since it broke a few days ago so I got a Oneplus 6t now and will adjust this script to that one now but there seems to be some things that needs to be adjusted in order to work correctly with Android 11 as it seems.
Click to expand...
Click to collapse

Thanks for the answer! This saves me a lot of trouble to know.

Are there other ways I can have multiple ROMS on the same phone?
Like with a virtual machine application?
 
J

JudgeDread11

Senior Member
Aug 17, 2014
886
500
Ao Nang, Krabi
Wishmasterflo said:
Hello!
Yes I already see issues now when one slot is haveing Android 11 and the other has Android 10.
It works but when flashing the dualboot to the slot where Android 11 is installed it gets stuck when patching that Android 11 slot so that slot stays without TWRP then.

I actually dont have the Oneplus 7 anymore since it broke a few days ago so I got a Oneplus 6t now and will adjust this script to that one now but there seems to be some things that needs to be adjusted in order to work correctly with Android 11 as it seems.

Lets hope that someone else will pick up this project again and try to modify/adjust it for Android 11 etc. I guess I have dificulties to figure out/fix this myself.
Click to expand...
Click to collapse
You got Android 11 on OnePlus 7 or did you manage to get dual boot running on OnePlus 8?
 
M

muphetz

Senior Member
May 9, 2013
244
69
Samsung Galaxy Note 8 (2017 Phone)
OnePlus 7 Pro
Wishmasterflo said:
Hello!
Yes I already see issues now when one slot is haveing Android 11 and the other has Android 10.
It works but when flashing the dualboot to the slot where Android 11 is installed it gets stuck when patching that Android 11 slot so that slot stays without TWRP then.

I actually dont have the Oneplus 7 anymore since it broke a few days ago so I got a Oneplus 6t now and will adjust this script to that one now but there seems to be some things that needs to be adjusted in order to work correctly with Android 11 as it seems.

Lets hope that someone else will pick up this project again and try to modify/adjust it for Android 11 etc. I guess I have dificulties to figure out/fix this myself.
Click to expand...
Click to collapse

When you flash android 11 with dualboot and slot stay without twrp is it booted? I think there will be invalid argument metadata
 
Wishmasterflo

Wishmasterflo

Senior Member
Nov 21, 2018
1,523
1,116
Stockholm
OnePlus 8T
muphetz said:
Please share the step,,is it depcrypt?
Click to expand...
Click to collapse

Yes I have both slots dekrypted.
I am doing some debugging right now to see at which command exactly the script is hanging when having Android 11 in one slot and I am actually doing this on a Oneplus 6t now as I dont have the Oneplus 7 anymore but I guess when we have figured out where exactly it hangs and know what to fix to get this working properbly it can be easy adjusted to the Oneplus 7 series here as well.
 
vladvlad12

vladvlad12

Senior Member
May 27, 2020
175
34
27
Bucharest
Samsung Galaxy S7
OnePlus 7 Pro
Installed this, installed Kang, not working, tried to reboot into recovery and i get No Command... Why is that?

Workaround was to reboot into fastboot, then boot twrp from adb command, and then reboot into recovery...
 
Last edited:
M

muphetz

Senior Member
May 9, 2013
244
69
Samsung Galaxy Note 8 (2017 Phone)
OnePlus 7 Pro
vladvlad12 said:
Installed dualboot. Rebooted into recovery, flashed OxygenOS beta on slot A, and then flashed this zip again but It seems to be stuck at patching fstabs, any solution?
Click to expand...
Click to collapse

Dualboot not working with android 11,,just wait updated twrp with fully working with android 11 with decrypt supported,,,and dont try dualboot with oos beta 17 and 18 ,you will stuck when patching fstab,,,seem beta 17 and 18 cannot be decrypt either.
 
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  • 74
    Zackptg5
    Zackptg5
    If you want to make something like this for your device, check out this guide here

    Since I no longer have an OP 7 series device, this mod is now deprecated and won't be receiving any more updates. @invernomut0 has made a continuation of this mod using orangefox recovery. Check it out here!

    Team Win Recovery Project 3.x, or twrp3 for short, is a custom recovery built with ease of use and customization in mind. Its a fully touch driven user interface no more volume rocker or power buttons to mash. The GUI is also fully XML driven and completely theme-able. You can change just about every aspect of the look and feel.

    Code: 
    #include <std_disclaimer.h>
/*
 *
 * We are 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 us for messing up your device, we will laugh at you.
 *
 */
    Compatibility
    This has only been tested by me on Oxygen OS Stable - Android Q.

    Disclaimer
    This is a DANGEROUS mod. Anything involving repartitioning is. If you fail to read and bad things happen, that's on you. Although I thoroughly tested this (managed to brick my phone once), there's always the possibility that something could go wrong with the worst case scenario resulting in a brick.
    YOU'VE BEEN WARNED - Use at your own risk

    What is this?
    This is @mauronofrio's TWRP (see official thread here) that's been modified for true dual booting by splitting userdata into a/b slots (also does the same for metadata for encryption support). The installer script repartitions userdata for dualboot or stock based on your input.

    Limitations
    See the section in the github readme. MAKE SURE YOU READ THIS!

    Features:
    • Same as mauronofrio's TWRP
    • Can choose between stock layout, a/b userdata, or a/b/c userdata where 'c' is a common data partition that'll show up in both roms - it's quite handy
    • Option to choose between ext4 and f2fs
    • Disables verity - fstabs are modified for dual boot and so this is a must unless you choose stock layout in which case it's optional
    • Option to disable forced encryption
    • Option to install magisk

    Common Data
    I recommend the a/b/c layout which includes this common data partition
    • If you choose a/b/c layout - you'll have a/b userdata, but you'll also get a 3rd userdata partition I call 'Common Data'
    • The name 'Common Data' gives away its purpose - to store files that you'll access on both slots/roms. So stuff like zips, pictures, music, TWRP backups, etc.
    • In TWRP, this shows up as another storage option for backup/restore and on your pc as well - your phone will have 'Common Storage' and 'Internal Storage'
    • In order to be accessible when booted, some parts of the system are modified so that the it'll be accessible WITHOUT root by the following mechanisms:
      - The common data partition is mounted to /sdcard/CommonData
      - .nomedia file is placed in CommonData so files in it won't be picked up twice if you decide to mount over internal storage as outlined below
      - Furthermore, if your use case is like mine where my music files are in common data, you can make 'mounts.txt' file in /datacommon containing a list of every FOLDER to mount directly over top of sdcard. So for example:
      /datacommon/Music -> /sdcard/Music
      + This of course mounts over anything there (overwrites it for as long as it's mounted) so make sure that you don't have the same folder in both datacommon and regular data
      + Note that there are 3 exceptions to this folder mounting rule:
      1) All - if this is the FIRST line, ALL folders in datacommon will be mounted
      2 )Android
      3) lost+found
      + The reasoning should be obvious - lost+found isn't something you should need to mess with and Android is for regular data partition only - that's OS specific and should be on separate slots
      + Note that you should have 1 folder listed on every line, for example:
      Code: 
      DCIM
Music
Pictures
ViPER4AndroidFX

    Flashing Instructions
    • You MUST be booted into TWRP already when flashing this zip. You can grab a bootable twrp img from here
    • Since this modifies data - the zip CANNOT be on sdcard or data at all UNLESS you do not want to repartition/format
      - If you flash from data, the zip will copy itself to /tmp and instruct you to flash it from there OR you can just install twrp/magisk/disver-fec
      - You could do the above or copy it to a place like /dev or /tmp and flash it from there
      - Alternatively, you can adb sideload it
    • Read through ALL the prompts - there's lots of options :)
    • Note that if you change partition layout, THIS WILL WIPE ALL DATA INCLUDING INTERNAL STORAGE

    How to Flash Roms - If you're NOT stock layout
    • Nothing changes here except ONLY FLASH IN TWRP
      - Roms always flash to the opposite slot. Keep that in mind and you'll be fine
      - So don't take an OTA while booted - boot into twrp, switch slots, reboot into twrp, flash rom
    • Normal flash procedure:
      1) Boot into twrp
      2) reboot into twrp selecting slot you do NOT want rom installed to
      3) Flash rom
      4) Flash this zip
      5) Reboot into twrp
      6) Flash everything else

    Help! I Can't Boot!
    • Usually this is because you switched roms without formatting data first. This should be flashing 101 but we all forget sometimes. Plus this slot stuff can get confusing
    • If it only happens with a/b/c and not any other layout, there's a good chance it's selinux related. Try setting selinux to permissive at kernel level with this mod(source here). If this doesn't fix it, it could be because selinux can't be set to enforcing even with the mod depending on the rom

    How to Manually Repartition Back to Stock
    In the event any step in the repartioning fails, the entire installer aborts. The good news is that this prevents a potential brick. The bad is that you need to manually revert back. See the README on github for the procedure. Note that if the install went fine and you want to switch back to stock later, just flash the installer again and choose stock layout

    Download

    Source Code

    Credits
    • Mauronofrio
    • Teamwin
    • CosmicDan
    • TopJohnWu
    View
    16
    osm0sis
    osm0sis
    Very ****ing badass. ?
    View
    7
    Wishmasterflo
    Wishmasterflo
    Dualboot TWRP with updated TWRP-3.4.0-0

    I have uploaded the Dualboot TWRP with updated TWRP-3.4.0-0 here.
    View
    7
    M
    muphetz
    I succesfully manage dualboot OOS Beta 11 and Evolution 4.1 ,,heres what i did :
    1.Reboot TWRP >Format Data
    2.Reboot TWRP > Flash original TWRP 79
    3.Reboot TWRP > Flash Dualboot TWRP ( sideload ) - choose a.b.c layout -disable.force encryption
    4.Reboot TWRP (dualboot now) > Flash OOS Beta 11 >Flash Dualboot TWRP
    5.Reboot TWRP > Flash OOS Beta 11 again -
    > Flash Dualboot TWRP
    6.Reboot TWRP > Flash Evolution 4.1-> Flash Dualboot TWRP
    7.Reboot to System,enjoy Dual Boot,,its Awesome!!

    Oneplus 7 Pro 256 gb
    View
    7
    Zackptg5
    Zackptg5
    v4 is finally here! There's actually quite the extensive changelog:
    * Add mount all option for datacommon mounts.txt
    * Redid how commondata was mounted - fixed issues with lots of roms like AOSPA
    * Magisk made optional for commondata - it is still needed for some roms though (like oos)
    * Made other vars slot selectable
    * Storage size detection fix
    * Misc fixes/improvements
    * Updated to magisk 20.4

    Download is in github releases like always :D

    Edit: Reuploaded v4 - needed to make partition size detection more robust
    View

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