Question (Q) GSI images

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dladz

Senior Member
Aug 24, 2010
14,549
5,022
Liverpool
Huawei Watch 2
OnePlus 10 Pro
Have never needed to install a GSI before but as we're kind of stuck here without a single custom ROM, I thought I'd have a look.

AFAIK installing one of these would still leave the door open for stock recovery to be used should something go wrong, so as long as you've made a back up it should be fine.

I'm just curious as to the method of installation?

Has anyone had any experience with GSI ROMs before.

How was it? Did it work?

Would DSU image loader be an option?

I've attached what treble version we have and the relevant info required from the treble info app.

Apparently we have VNDK compatibility, not sure what that is but we have it.
 

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yo-less

Senior Member
Jun 22, 2008
84
36
Hi @dladz, I ran into a similar question three years ago when I bought a Xiaomi Mi 8 Pro. I was so used to using custom ROMs that I didn't even check before I bought it whether any custom ROMs would be available.

I was honestly shocked to see that that wasn't the case - there was absolutely NOTHING available - and that I had ended up with a device that couldn't even be unlocked right away, you had to wait and open a Mi account to be allowed to unlock it. I couldn't believe it at the time, I had come from a OnePlus X and had helped others root and install custom ROMs on other OnePlus phones without any problems, so I felt like I had just thrown quite some money out the window to run around with a mobile Chinese Spyware gadget I didn't want to use.

That was the first time I ever came across the term GSI ROM and it took me several weeks to figure out how to flash a ROM that I could also use afterwards. I knew I wouldn't want to have a stock ROM by a company that has very loose data privacy standards and even clearly states they collect your data (Lesson learned, I thought, I just had to buy a "proper" phone again and no more phones from budget manufacturers).

Several weeks later, after I had finally managed to get a custom GSI ROM working on my device I posted a lengthy how-to here on XDA.

Again, it took me weeks to get everything to work that I could not go without. And even then, I had to resign to the fact that many features of the phone would not be working (The fingerprint sensor, for example. Also, the Xiaomi Mi stock rom apparently had excellent GPS support (dual GPS support) but GPS positioning is just alright on the GSI ROM I'm using, also there were many cool Xiaomi apps like a compass app that wouldn't work outside MIUI). But I was more than happy I had gotten different GSI ROMs to work in the end and settled on one that I could live with, knowing my phone wouldn't be sending data to some Chinese servers constantly.

Now that the Mi 8 Pro has become a bit slower over time with all the latest apps, I took the plunge and spent a ton of money on the OnePlus 10 Pro 256 GB version only to be disappointed again, but this time by a company that used to be the epitome of openness when it came to custom development.

I got my OnePlus 10 Pro on release in my region in April, together with the 50W wireless charger and both have been sitting here since April, I'm not touching that phone until I can remove all the Spyware it comes installed with. At this stage, I'm not yet willing to go through the weeklong trial-and-error again that it took to get the Mi 8 Pro running a custom GSI ROM (also considering that some of its features never worked...), but if OnePlus doesn't get its **** together soon with the MSM tool and some openness towards developers, I will seriously just consider selling it on eBay again (It is brandnew after all) and will never buy another phone from OnePlus again. This has been an extreme disappointment and I'm still struggling to understand why they wouldn't support custom development any more. I had checked the OnePlus 9 Pro threads on XDA just to see if there's still custom development going on for OnePlus and it seemed everything was still OK, but now... .

On a more positive note: The Mi 8 Pro did eventually get some custom ROM love and there are now several ROMS to choose from, so to answer your original question - If you ask me, don't bother with GSI ROMs until we can be sure there won't be any custom ROMs for our phone. I'm still hoping that will be the case.
 

MrScarl3t

Senior Member
Dec 5, 2018
57
52
OnePlus 10 Pro
Gsi will work but no fingerprint or faceunlock.

Installing is easy just reboot to fastbootd open device with fastboot enchanted and delete all _cow files and reboot too bootloader flash stock vbmeta with
"fastboot --disable-verity --disable-verification vbmeta vbmeta"
Download gsi that you like and flash it in fastbootd using "fastboot flash system gsi.img"
 

MrScarl3t

Senior Member
Dec 5, 2018
57
52
OnePlus 10 Pro
Gsi will work but no fingerprint or faceunlock. And many more visual glitches.

Installing is easy just reboot to fastbootd open device with fastboot enchanted and delete all _cow files and reboot too bootloader flash stock vbmeta with
"fastboot --disable-verity --disable-verification vbmeta vbmeta"
Download gsi that you like and flash it in fastbootd using "fastboot flash system gsi.img"
 

Twiggy000b

Senior Member
Oct 27, 2015
310
86
Well... I tried GSI and some steps and sure enough I broke my phone (hard brick) so now I'm on Google 6 pro
 

yo-less

Senior Member
Jun 22, 2008
84
36
Gsi will work but no fingerprint or faceunlock.

Unless someone posts a step-by-step guide with screenshots of a successful flash, I wouldn't believe anything.

This sounds more like it:

Well... I tried GSI and some steps and sure enough I broke my phone (hard brick) so now I'm on Google 6 pro

It took me weeks going back and forth, going back to stock and retrying again before I had any luck at all with my Mi 8 Pro.

Theoretically, it should work, but you can easily hard-brick your phone if you take one wrong turn and then goodbye to a phone with a premium price tag and no open MSM tool available... .
 
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Twiggy000b

Senior Member
Oct 27, 2015
310
86
It took me weeks going back and forth, going back to stock and retrying again before I had any luck at all with my Mi 8 Pro.

Theoretically, it should work, but you can easily hard-brick your phone if you take one wrong turn and then goodbye to a phone with a premium price tag and no open MSM tool available... .
Yeah was not happy said screw it and went back to google at least ive got lineage os now lol but still what a waste of 1k
 

MrScarl3t

Senior Member
Dec 5, 2018
57
52
OnePlus 10 Pro
I'll make a guide just like I did with the Xiaomi 11t pro. Post it within a week
Already did it when I got the device but I use the fingerprint alot so not for me.
Only tricky is reflashing system when you want to go for stock again.
 
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dladz

Senior Member
Aug 24, 2010
14,549
5,022
Liverpool
Huawei Watch 2
OnePlus 10 Pro
I'll make a guide just like I did with the Xiaomi 11t pro. Post it within a week
Already did it when I got the device but I use the fingerprint alot so not for me.
Only tricky is reflashing system when you want to go for stock again.
That would be great, I'll be your test subject, I can live without fingerprint and face unlock.

Think the camera might be a bit meh but maybe I can live with that.

Another odd thing is I got treble check and it said I cannot use treble ROMs?

No idea if that's true but that's what the app said.
 

MrScarl3t

Senior Member
Dec 5, 2018
57
52
OnePlus 10 Pro
That would be great, I'll be your test subject, I can live without fingerprint and face unlock.

Think the camera might be a bit meh but maybe I can live with that.

Another odd thing is I got treble check and it said I cannot use treble ROMs?

No idea if that's true but that's what the app said.
Yeah camera is gcam but the main sensor is fine with it.
Every OnePlus 10 pro works with gsi, and general boot images as well. I will start tomorrow making the guide.

Will test if you can use rollback zip to get back to stock
 
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    Gsi will work but no fingerprint or faceunlock.

    Unless someone posts a step-by-step guide with screenshots of a successful flash, I wouldn't believe anything.

    This sounds more like it:

    Well... I tried GSI and some steps and sure enough I broke my phone (hard brick) so now I'm on Google 6 pro

    It took me weeks going back and forth, going back to stock and retrying again before I had any luck at all with my Mi 8 Pro.

    Theoretically, it should work, but you can easily hard-brick your phone if you take one wrong turn and then goodbye to a phone with a premium price tag and no open MSM tool available... .
    1
    I'll make a guide just like I did with the Xiaomi 11t pro. Post it within a week
    Already did it when I got the device but I use the fingerprint alot so not for me.
    Only tricky is reflashing system when you want to go for stock again.
    1
    That would be great, I'll be your test subject, I can live without fingerprint and face unlock.

    Think the camera might be a bit meh but maybe I can live with that.

    Another odd thing is I got treble check and it said I cannot use treble ROMs?

    No idea if that's true but that's what the app said.
    Yeah camera is gcam but the main sensor is fine with it.
    Every OnePlus 10 pro works with gsi, and general boot images as well. I will start tomorrow making the guide.

    Will test if you can use rollback zip to get back to stock