How to Fix GSI Bootloops, Stuck in Fastboot!

If you get stuck in a GSI bootloop or stuck in fastboot where it says, “reboot bootloader” in fastboot mode, then you are most likely getting boot verification error. You MUST flash vbmeta.img which disables the boot verification so you can boot your GSI.

Go ahead and download this:

and flash it with fastboot like this:

fastboot flash vbmeta vbmeta.img

And your GSI will boot.

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Is this vbmeta data device specific? Does it need both a/b partitions?

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No only a and b if you have an slots. If not just do:

fastboot flash vbmeta vbmeta.img

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