Question Think I've softbricked my Pixel 6 - Google Pixel 6

I was trying to rootkit it, but on the last step I got locked in to a fastboot-loop, I eventually got out of it and was able to "install through ADB" through the OTA Oriole software.
Trying to rootkit it again, I messed up and got stuck on the same loop, but when I try to "install through ADB" the OTA file loads up 50% and I get the error "Current SPL 2021-11-05 Target SPL: 2021-10-05 this is considered a downgrade.
Denying SPL because it's SPL downgrade" and it aborts the installation.
Now whenever I try to boot, I get a "your phone is corrupted" message, I press power to continue, I get a message "your phone security is compromised" in orange, than I press power and it hangs on the Google logo on a white screen.
I can still get in to fastboot and all the options.
No idea what to try next.
If I took it to where I bought it, would they send it off to Google and they can fix it? Or do I have a brand new $1150 paperweight?

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hiksemebs said:
I can still get in to fastboot and all the options.
No idea what to try next.
Click to expand...
Click to collapse
When you're in "fastboot" mode, can you still see your device name when you type in fastboot devices?
If so, then you still should be able to fastboot the latest factory image by following one of the outstanding guides by:
@Homeboy76 here.
Or
@V0latyle here.
Best of luck to you.

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hiksemebs said:
I was trying to rootkit it, but on the last step I got locked in to a fastboot-loop, I eventually got out of it and was able to "install through ADB" through the OTA Oriole software.
Trying to rootkit it again, I messed up and got stuck on the same loop, but when I try to "install through ADB" the OTA file loads up 50% and I get the error "Current SPL 2021-11-05 Target SPL: 2021-10-05 this is considered a downgrade.
Denying SPL because it's SPL downgrade" and it aborts the installation.
...
Now whenever I try to boot, I get a "your phone is corrupted" message, I press power to continue, I get a message "your phone security is compromised" in orange, than I press power and it hangs on the Google logo on a white screen.
I can still get in to fastboot and all the options.
No idea what to try next.
If I took it to where I bought it, would they send it off to Google and they can fix it? Or do I have a brand new $1150 paperweight?
Click to expand...
Click to collapse
Your phone isn't bricked until you're completely unable to do anything.
Is your bootloader unlocked?
You should be able to sideload the OTA, as long as you aren't already on the newest firmware. Make sure you use the latest one.
Sideloading the OTA is the only way I know of to fix the corrupted screen; if that doesn't work, you're going to have to perform a whole flash of the factory image, and likely have to wipe. You can do this using the Android Flash Tool, but this requires an unlocked bootloader.
Since you essentially caused this problem yourself, it is likely you would have to pay for repair or RMA. So, let's see if we can help you fix it yourself first.

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hiksemebs said:
I was trying to rootkit it, but on the last step I got locked in to a fastboot-loop, I eventually got out of it and was able to "install through ADB" through the OTA Oriole software.
Trying to rootkit it again, I messed up and got stuck on the same loop, but when I try to "install through ADB" the OTA file loads up 50% and I get the error "Current SPL 2021-11-05 Target SPL: 2021-10-05 this is considered a downgrade.
Denying SPL because it's SPL downgrade" and it aborts the installation.
...
Now whenever I try to boot, I get a "your phone is corrupted" message, I press power to continue, I get a message "your phone security is compromised" in orange, than I press power and it hangs on the Google logo on a white screen.
I can still get in to fastboot and all the options.
No idea what to try next.
If I took it to where I bought it, would they send it off to Google and they can fix it? Or do I have a brand new $1150 paperweight?
Click to expand...
Click to collapse
When you say you were trying to "rootkit it", do you mean you were trying to root it with Magisk? Or some other method? You should only use Magisk if you were trying some other method. I'm assuming you weren't trying to give yourself a virus
In addition to what the others have said, if you go the Android Flash Tool method you have to have OEM unlocking enabled it Developer Options. If you do, the flash tool will unlock your bootloader during the process so you don't have to unlock it manually beforehand. If it is grayed out in the disabled mode, you'll have to sideload the OTA, as stated earlier, or try factory resetting if you can.
Good luck...

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I did something to mine where it would be stuck in a loop, wouldnt boot, I was able to get it into download mode, and then I flashed it back to stock from the google factory images website, then rerooted it. Been fine since.

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Mine fast softbricked as well like 2 weeks ago.
I used the android flash tool to get back to stock rom again and after that I rooted it again. But you need an unlocked bootloader for that method.
Edit: Link to the flash tool