Pixel 4a Android 11 Sunfish custom build no valid slot to boot error

fastboot_ error_ failed to identify current slot   Dan fastboot change slot

As @aibd linked to, in fastboot mode you can run fastboot getvar current-slot to find out But if you specify the partition with _a or _b at

If I ignored the error and tried to flash twrp , I'd either get the Failed to identify current slot error listed above or the flash command ERROR: Failed to pass validation, backup to fastboot boot up failed er) current-slot: er) slot-suffixes: _a er) slot-count: 1 er

wild slot The solution was to install the fastboot driver for the phone When plugged in and in fastboot mode, device manager > right click on the device: A parity bit can be sent along with regular data bits to detect data transmission errors • Current State • Error Code ▷ACPI Settings WHEA Support Select