Oreo update boot loop - Shield Android TV Q&A, Help & Troubleshooting

Since Oreo update, my ShieldTV (2015) is in a boot loop. Device starts, fills in recommendations/channels, becomes unrensponsive after a few seconds, restarts, constantly. I'm not rooted or modified in any way.

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Oxygen OS 2.2.1 unable to update anything, always encountering boot loop

It's been a year since Oxygen OS 2.2.1 and my phone still gets boot loop issue whenever I try to update to any OS after 2.2.1. With this 3.5.6 I tried OTA and flashing and still get boot looped. I've factory reset my phone and still get boot loop. Is my phone a manufacture defect?
anyone got any idea what i should do?

Cannot open TWRP, verity kicks in on first boot?

Android Nougat AQDG
Flashed TWRP but it booted to phone, then locks up at boot screen. This is usually dm-verity at work. Flashed stock firmware but phone still won't boot to recovery, verity appears to kick in immediately upon first boot.
How to get past this?

Asus zenfone selfie ZD551KL bootloop, bricked, blue screen flash

Hello, i have a big issue with my friend's old phone, i really did not want to open a new topic, but i'm desesperate.. Here's the cause of my headaches below.
I don't know what happened to it (neither does he know) but it is in bootloop since years ago, as i can tell by the current android version(Lollipop).
When the phone turns on, the asus static logo appears for a few seconds, then a blue screen blink quickly and reboot.
Sometimes the asus logo animation starts for milliseconds and reboot.
I already tried to flash the stock firmware (almost all WW versions), but the problem persists.
The phone doesn't accept any marshmallow firmware, only lollipop.
I already tried all tutorials that i found, flashing .bat files with phone .imgs, flashing full firmware throgh adb sideload, apply update from sdcard, nothing works..
If i flash twrp, when boot recovery, the phone reboot instantly in fastboot mode.
The bootloader is locked.
Any ideas?

H918 Bootlooping After Flashing KDZ

I was on LineageOS 16 with Magisk and TWRP with software on 10T. I booted into download mode and flashed H91810t_00_0306.kdz.
After completing my phone boots up until I get to the "Android is starting..." screen. When it reaches 100% my phone reboots and the process just keeps repeating itself.
Any ideas on how to fix this? I've already tried doing a factory reset but the same process occurs.

Won't get past the logo screen

Hi, I have a moto g5 plus potter, it had twrp 3.3.0-0 installed with arrow os 11 for potter. The phone would randomly reboot like once a day and yesterday, while I was transferring filed using airdroid, the phone shut down. As of now, I cannot boot into arrow os or recovery. It's just stuck in a sort of bootloop. When I try to boot into aos it gets stuck in the "your device has been unlocked... reboot in 5 seconds" screen. I had Magisk v23 with Magisk manager installed too. When I try to boot to recovery, it gets stuck in the twrp logo screen that says "team win recovery project". I can boot into bootloader, I flashed twrp v3.5.2_9-0 and still it gets stuck trying to get into recovery.
Any help?

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