Dual Boot - any experience? - Xperia Z5 Compact Q&A, Help & Troubleshooting

Hi all,
did anyone try getting dual boot of different ROMs working on the Z5C? As far as I've researched, there used to be some niche solutions for selected devices, with the Z5C not explicitly supported. However, it appears they would only work with older android versions (like Lollipop/Marshmallow) and currently are not maintained anymore.
Any suggestions welcome.
r.

This might be what you're looking for...
I've used some kind of mod to dual boot android 7.1.2 for the z5c but it was a long time ago, and I think that MultiROM was the software I used.
BUT! use it at your own risk!

Ok...thanks! I'll give that a thorough read...

Related

[Q] Nexus 5 Special Dual Booting. Details Below.

Hi guys, so soon my cousin will be getting himself a nexus 5 and he asked me for help. I'm looking for a way to dual boot CM11/PA/Stock with Kali PwnPhone Community Edition. Now I know that multiROM exists but since that it isn't the process of a regular ROM flashing, I thought it might not work (might work too, that's why I am here for help). So I wanted to know of that will work and if it won't is there any other option, maybe with Ubuntu touch dual boot installer? So that's it hope I explained the situation well and thanks for helpers.
gergesh said:
Hi guys, so soon my cousin will be getting himself a nexus 5 and he asked me for help. I'm looking for a way to dual boot CM11/PA/Stock with Kali PwnPhone Community Edition. Now I know that multiROM exists but since that it isn't the process of a regular ROM flashing, I thought it might not work (might work too, that's why I am here for help). So I wanted to know of that will work and if it won't is there any other option, maybe with Ubuntu touch dual boot installer? So that's it hope I explained the situation well and thanks for helpers.
Click to expand...
Click to collapse
According to this: https://rstforums.com/forum/86853-build-your-own-kali-linux-pwnphone-pwnpad.rst Multirom supports this mod. Don't have any experience with it myself, but have multi booted quite a few phones including CM, FF OS, and Ubuntu Touch on the N5.
Just A Clarification.
es0tericcha0s said:
According to this: (link) Multirom supports this mod. Don't have any experience with it myself, but have multi booted quite a few phones including CM, FF OS, and Ubuntu Touch on the N5.
Click to expand...
Click to collapse
So what I have to do, is:
1. Unlock bootloader
2. Flash TWRP
3. Flash CM11 ROM (zip file)
4. Download MultiRom Manager and install MultiRom
And then, what?
The installation process of the PwnPhone FW is different that the guide says. Instruction in attached PDF.
So how do I combine this process with multirom? Maybe have a cm11 primary ROM and stock secondary ROM (which I also don't know how to do) and do the process on the secondary? Thanks for helpers.

[noob questions] ROM/Kernel - building/porting

I’ll start by admiting that, in the arts of cooking/building/porting android innards, I’m closer to being a complete noob than na intermediate user.
I own a Newman K1S, JB 4.2.2, MT6592, 2Gb/16Gb, 720p, and, sadly for me, it looks like the manufacturer (Newman Mobile, or Newsmy, who knows) pretty much disavows any knowledge of this model ever being built or sold. No reference to it, no community, no android updates or ROM releases.
Taking into account some MediaTek source codes for KitKat were made available earlier this year (even if unofficially), I was wondering:
So, question number 1 – Is it possible to build android 4.4 for my device straight from said sources? Or are they unreliable and it would be best not to attempt it?
And question number 2 – Being at the noob level, should I stay away from such a task? And, in this case, would I be better off porting a 4.4 ROM from a similar spec’ed device?
Also, while browsing needrom, I noticed that a 4.4 “official” ROM was posted for my device. However, having flashed it, I found that it produces no sounds from the external speaker (although with headphones it works fine). Same thing was experienced by other users, and there is no fix so far.
Which takes me to question number 3 – What may I try, in order to fix an issue like this? Does KK use the same sound drivers as JB, and maybe it’s only a matter of replacing them? (if so, I believe this is within my grasp, even if I must unpack the IMG files to reach the drivers)
Lastly, Newman K1S has a severe overheating problem when pushed, which I believe would be easily solved by underclocking it to 1.3 or 1.5, or maybe implementing an optimized kernel.
Final question – How do I manage to underclock with my current kernel, or, better yet, how do I port a custom, optimized kernel to my device?
Congratulations to everyone who managed to read this far, and thank you in advance for any help provided. I’ve spent the last few days reading tutorials and guides, only to become even more confused… I did manage to get android kitchen running on my Windows laptop, though!
Links to recent/updated guides that might be useful are appreciated, too.

LG Optimus Zone 3 (VS425PP) Custom Roms

I recently purchased a LG optimus zone 3 as a secondary device and rooted it. I am looking for custom roms and as of yet have not found any this is my first time using a custom rom as well so any other help is also appreciated.
Corgiz4life said:
I recently purchased a LG optimus zone 3 as a secondary device and rooted it. I am looking for custom roms and as of yet have not found any this is my first time using a custom rom as well so any other help is also appreciated.
Click to expand...
Click to collapse
Mysself and @MotoJunkie01
Are working on fixing aboot to allow for custom recovery which will in turn allow for flashing a custom rom.
As of yet. Custom rom is not possible
So its been around a year. Are there anymore advancements made with this phone? Or has it just been abandoned? Would really like to have root without bootloop issue and a custom rom would be fantastic. Please let me know!
swift5645 said:
So its been around a year. Are there anymore advancements made with this phone? Or has it just been abandoned? Would really like to have root without bootloop issue and a custom rom would be fantastic. Please let me know!
Click to expand...
Click to collapse
It isn't as much that device development has been abandoned as it is that Android in general is quickly evolving. I think I'm safe in saying that interests have shifted. With the release of Android Pie 9.0, and with official releases of LineageOS 15.1 for various devices, interests have shifted to devices which are not as locked down as the Zone 3, and devices for which development is more easily implemented. Don't get me wrong, I love the Zone 3 and only recently purchased a new one. However, the Zone 3, like many budget LG smartphones, is difficult in terms of development due to the OEM's policies regarding device security.
In addition, full root has been available for the Zone 3 for some time, without boot looping and without display driver issues. Seek out @Astr4y4L over at Android Central, where he now develops, and he should put you on the right path.

Looking for ROM for X96s w/ S905Y

Hi,
I am looking for custom ROMs for my Pendoo X96s which seems to have a X905Y SoC. I looked around and haven't really been able to find anything.
If one doesn't exist, I was wondering if there are any instructions as to ROM hacking for this chipset? I have some, albiet, outdated experience with ROM hacking for much older android phones, but haven't really tried that with Android sticks or boxes.
Thanks
AM
look here may be it will help you:
https://forum.freaktab.com/forum/tv...0-pie-firmware-based-on-latest-stock-firmware

I've successfully rooted my Leagoo T5c, now what?

Hi everyone,
After a few hiccups, I successfully rooted my Leagoo T5c, thanks to the excellent tutorial posted here. The phone works fine, thank you, but now, I'd like to know how to proceed to, say, upgrade the phone from its current Android version (7.0) to a more recent version.
Where to start?
Since this phone has a Spreadtrum/Unisoc SC9853i SoC (Intel-based), I suppose the custom ROMs and upgrade possibilities are few and far between, but I'd like to give it a shot.
I'm open to ideas, tips, tricks, voodoo moves and Santeria incantations, but I'm still a noob when it comes to Android, so please, be patient, and methodical... :good:
@UglyStuff
If you can unlock phone's boot-loader then you should be able to flash any Custom Recovery and/or Custom ROM that's suitable to 100% to phone's CPU-architecture. Who is the supplier of phone's SoC isn't of any interest at all.
Hi,
Thing is, as I said, I'm a noob when it comes to Android, so I don't want to brick my phone by trying to make it ingest a ROM that's not suitable for it.
If my phone came with a MediaTek or Qualcomm SoC, I wouldn't worry, because there are plenty of ROMs out there, custom or not, to play with, but this Spreadtrum/Unisoc SoC is a thing of its own.
It's based on Intel's Airmont architecture, and few phones or tablets use it, at least this specific version (SC9853i). Maybe I just don't understand too well how a ROM is built.
UglyStuff said:
Hi,
Thing is, as I said, I'm a noob when it comes to Android, so I don't want to brick my phone by trying to make it ingest a ROM that's not suitable for it.
If my phone came with a MediaTek or Qualcomm SoC, I wouldn't worry, because there are plenty of ROMs out there, custom or not, to play with, but this Spreadtrum/Unisoc SoC is a thing of its own.
It's based on Intel's Airmont architecture, and few phones or tablets use it, at least this specific version (SC9853i). Maybe I just don't understand too well how a ROM is built.
Click to expand...
Click to collapse
For example, I found this article where they explain how to flash LineageOS 17 (based on Android 10) on a Panasonic Eluga Ray 800 that uses the same SoC as my Leagoo T5c.
The thing is, I don't know if this is transposable to my device, though the two share the same SoC. As I said earlier, I don't want to permanently brick my phone...
@UglyStuff
The mentioned Intel Airmount SoC's instruction set architecture is x86_64 , the also mentioned Intel Spreadtrum SC9853i SoC's instruction set architecture is x86_64, too. Hence in order to upgrade yor phone's Android you need a Custom ROM compiled for x86_64 architecture. GIYF ...
OK, but since this Panasonic and my Leagoo share the same SoC, they also share the same x64 instruction set, so do I get it right if I say that the custom ROM built for the Panasonic would fit on my Leagoo, or am I missing something?
In theory it should.
OK, I guess I'll have to chance it, and use recovery in case things so south. My phone isn't compatible with Treble, according to this app. Does it mean anything in terms of installing one of the generic system images found here or not?

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