fastboot --skip-rebootI use the full Pixel 6 Pro Factory Image to update each month. Use the same official latest ADB/Fastboot (SDK Platform Tools) you normally use. Edit the flash-all.bat (if on Windows - if on something else, edit the appropriate flash-all script file) and remove the "-w" and re-save it.
Re-open the script file and confirm that you saved it with the "-w" removed so it doesn't wipe your device.
Someone help me out here (@Lughnasadh?) - what step and when to keep Android from automatically booting after the first flash-all?
From running Android:
adb reboot bootloader (Let it reboot into Fastboot mode. Make note of which active slot is listed on the Fastboot screen, third item from the bottom.) flash-all.bat (WITH "-w" removed. Let it flash everything, will take several minutes.) Someone help me out here (@Lughnasadh?) - what step and when to keep Android from automatically booting after the first flash-all? WAIT for an answer to that ^ On the Fastboot screen, change to the opposite slot with either: fastboot --set-active=a (If you're on slot b) or fastboot --set-active=b (If you're on slot a) flash-all.bat (again)