Move if needed , dual boot or multi rom possibilities - Google Pixel 4a Questions & Answers

Would there or is there any possible way to dual boot two os on this phone I have used it in many other android devices

miko12312 said:
Would there or is there any possible way to dual boot two os on this phone I have used it in many other android devices
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No

Related

Dual Boot

Hi,
Do you know if it's possible, if there is any software, that could do dual boot in Android? We have dual Boot for WinMobile, but can we have an Android device and install WinMobile in dual boot?
Another question is, we have an Android device, can we install a rom with WinMobile (whithout dual boot)?
Thanks
It is possible to dual boot with debian, but there is no software for it, it is a manual and complex process.
well someone has tried this but the thread is dead for abt a month dunno what happened.

[Q] Install dual custom ROM on Android devices

can we install dual custom ROM on android devices?.
On Android, the story is different. ... But dual boot is still very much possible on Android, even if not quite as mainstream. Luckily, we have come up with different ways to get your device to run two Android ROMs – or even different operating systems

How to install Android on custom device

Hello friends,
i have a device with RockChip RK3228, custom hardware, with LG display, from one German company, which is working, but, wrong flashed and no working OS on it. Company don't won't to send firmware, but I have another same device, with android system perfectly working. Can I somehow install Android on that device? Can the working device system files help me with that?
Thanks for upcoming answers!
makiTurbo said:
Hello friends,
i have a device with RockChip RK3228, custom hardware, with LG display, from one German company, which is working, but, wrong flashed and no working OS on it. Company don't won't to send firmware, but I have another same device, with android system perfectly working. Can I somehow install Android on that device? Can the working device system files help me with that?
Thanks for upcoming answers!
Click to expand...
Click to collapse
No I don't think that the OS present in another device would be very helpful in getting the OS of damaged device. What you can do is to install a custom recovery to your LG device and then install a custom rom on it. The rom would be very much customizable as compared to your android and even if you want to get your android OS then you can flash it. If you find any problems in flashing recovery or roms then feel free to contact me.

Blu Vivo XL4 Rooting and Custom Rom Questions

I want to root this phone, mainly to turn off dm-verity because it keeps popping up even after a factory reset and this may be my only good option, but what custom rom should I use for this? I tried looking around and couldn't find any recommended ones. Blu Vivo XL4 android version 8.1.0 and the roms I looked at (Corvus OS, AOSPExtended) did not list my device for the downloads at all. Any suggestions or help for rooting this thing? First proper rootable phone I have gotten and I'm not sure the best process for this.
Jewel724 said:
I want to root this phone, mainly to turn off dm-verity because it keeps popping up even after a factory reset and this may be my only good option, but what custom rom should I use for this? I tried looking around and couldn't find any recommended ones. Blu Vivo XL4 android version 8.1.0 and the roms I looked at (Corvus OS, AOSPExtended) did not list my device for the downloads at all. Any suggestions or help for rooting this thing? First proper rootable phone I have gotten and I'm not sure the best process for this.
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Vivo doesn't allow bootloader to be unlocked
That's nonsense, I can enable OEM unlocking in the developer settings, ain't that what's required?
Austinredstoner said:
Vivo doesn't allow bootloader to be unlocked
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It's not Vivo company! That's a BLU company.
Jewel724 said:
I want to root this phone, mainly to turn off dm-verity because it keeps popping up even after a factory reset and this may be my only good option, but what custom rom should I use for this? I tried looking around and couldn't find any recommended ones. Blu Vivo XL4 android version 8.1.0 and the roms I looked at (Corvus OS, AOSPExtended) did not list my device for the downloads at all. Any suggestions or help for rooting this thing? First proper rootable phone I have gotten and I'm not sure the best process for this.
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Click to collapse
You need a special steps for work. Not a exclusive file to your phone because GSI (actual custom rom for any device with Android 8.1 and next android version) need some files to fix booting that in your device. But the happy notice is about actual GSI files not need very files for fix or maybe nothing.
Try install AOSP from phhusson Android 9 and Android 10 repository to know. Other great GSI is crDroid by eremitein or other GSI files by him. Need testing.
DragonPitbull said:
It's not Vivo company! That's a BLU company.
You need a special steps for work. Not a exclusive file to your phone because GSI (actual custom rom for any device with Android 8.1 and next android version) need some files to fix booting that in your device. But the happy notice is about actual GSI files not need very files for fix or maybe nothing.
Try install AOSP from phhusson Android 9 and Android 10 repository to know. Other great GSI is crDroid by eremitein or other GSI files by him. Need testing.
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Click to collapse
I'm on.. what's it called, Oreo? Android 8. Not sure if that's going to cause any trouble for roms.
Jewel724 said:
I'm on.. what's it called, Oreo? Android 8. Not sure if that's going to cause any trouble for roms.
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Yes! Android 8 from very OEMs/companies not have Treble/GSI compatibility.
Only Android 8.1 has that.
Update: Install this app https://play.google.com/store/apps/details?id=tk.hack5.treblecheck&hl=en-US in the phone and know what architecture your phone/firmware has. That will show you which type of GSI file you can test.
Listing what that app says..
Required Image: Needs an image file named system-arm64-aonly.img.xz
Treble and VNDK: Supports legacy version of Treble, using VNDK version 27.0
System as Root: Does not support, use an a-only OS.
ARM-64 archetecture.
Seamless Upgrades not supported.
Does not use Dynamic Partitions.
Unless I missed anything, is this what was needed? Also I am on 8.1.0 for android version, I didn't know if that was just Oreo or if 8.1 had it's own name.
Jewel724 said:
Listing what that app says..
Required Image: Needs an image file named system-arm64-aonly.img.xz
Treble and VNDK: Supports legacy version of Treble, using VNDK version 27.0
System as Root: Does not support, use an a-only OS.
ARM-64 archetecture.
Seamless Upgrades not supported.
Does not use Dynamic Partitions.
Unless I missed anything, is this what was needed? Also I am on 8.1.0 for android version, I didn't know if that was just Oreo or if 8.1 had it's own name.
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Click to collapse
In the first update Android 7.1 [Nougat] to 8.0 and after upgrade to 8.1 [Oreo]. Normal.
All informations good to know what GSI you should test.
Now you can install with fastboot or Custom Recovery [TWRP]. So if has is better and fast.
If not so can using fastboot commands.
Obviusly need bootloader unlocked!
You can read and find more threads but this is good: https://forum.xda-developers.com/t/guide-blu-vivo-xl4-vivo-xi-vivo-xi.3877294/
The only part I should warn you about is the loss of IMEI. So soon as you can do backup from your phone the files NVRAM; NDATA; NVCFG with SPFT or other way like fastboot you won't have wasted time and hassles.
DragonPitbull said:
In the first update Android 7.1 [Nougat] to 8.0 and after upgrade to 8.1 [Oreo]. Normal.
All informations good to know what GSI you should test.
Now you can install with fastboot or Custom Recovery [TWRP]. So if has is better and fast.
If not so can using fastboot commands.
Obviusly need bootloader unlocked!
You can read and find more threads but this is good: https://forum.xda-developers.com/t/guide-blu-vivo-xl4-vivo-xi-vivo-xi.3877294/
The only part I should warn you about is the loss of IMEI. So soon as you can do backup from your phone the files NVRAM; NDATA; NVCFG with SPFT or other way like fastboot you won't have wasted time and hassles.
Click to expand...
Click to collapse
I'll give it a shot. In terms of performing a backup, I would assume that' typical "copy all files on phone to desktop folder just in case"
I should've mentioned, I don't have an SD card in my device, just a SIM card. I don't think I can use TWRP, which is going to complicate matters.
Hello I have a Blu Vivo XL4 android 8.1.0 Oreo, I'm trying to install a custom rom, I looked everywhere not a single rom is made for Blu phones.
bootloader unlocked
according to treble info:
System-arm64-aonly.img.xz
Your device supports the legacy version of project treble using VNDK version 27.0
Use an A-ONLY operating system
ARM64
Seamless upgrades are not supported
NO dynamic partitions
HELP
thanks

Question Downgrade A53 (A536B) from android 13 to 12

Hey guys all good?
I got my hands on an A53 already on Android 13 (U.I 5.1), then I unlocked the bootloader, rooted, magisk working but then I decided to downgrade from 13 to 12 because of a few things
I tried via Odin (13.14.4 and 13.12.7) and both didn't work the first odin it fails the flashing and the second pass but it didn't flash the whole thing just reset the phone
any idea? or I'm now stuck with Android 13?
Cheers
From what I can find, Odin supposedly won't allow a downgrade if the boot loader version is lower.
That's just what people seem to say about Samsung devices and downgrading. I've never tried it and never will. Would immediately use multiple OS versions however if Android actually supported dual booting. Its fantastically messed up that it doesn't.
Not sure if TWRP will. Didn't look that one up. You didn't bring that one up but it might be a way to do it.
sandsofmyst said:
From what I can find, Odin supposedly won't allow a downgrade if the boot loader version is lower.
That's just what people seem to say about Samsung devices and downgrading. I've never tried it and never will. Would immediately use multiple OS versions however if Android actually supported dual booting. Its fantastically messed up that it doesn't.
Not sure if TWRP will. Didn't look that one up. You didn't bring that one up but it might be a way to do it.
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Thanks for the reply. I was thinking something about that too. Not that the bootloader is lower but that it was modified (root) i guess
Unfortunately TWRP is not compatible yet with Android 13 UI 5.1 at least accordingly to this topic
So i guess I'm stuck for now
biustech said:
Thanks for the reply. I was thinking something about that too. Not that the bootloader is lower but that it was modified (root) i guess
Unfortunately TWRP is not compatible yet with Android 13 UI 5.1 at least accordingly to this topic
So i guess I'm stuck for now
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Click to collapse
You could flash a GSI image, but I guess that wouldn't be OneUI anymore
Hello you all hope you're having a good day, so no way to downgrade a53 5g from Android 13 to android 12 ??? I found some firmwares for Android 12 but the binary number is 4 and Android 13 is actually on binary number 5 , no way to do the downgrade with Odin?
I read somewhere that is not possible to flash a firmware with different binary number is it true ?? I would like to comeback to android 12 it's better

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