Bricked OP3?

Hi
I was going back to unrooted stock. I had rooted, unlocked stock 3.2.2 with twrp recovery. I followed a guide to get it back to stock. This is what I did: Loaded into fastboot to find the device, sure it was there. Flashed stock recovery, went ok. Locked the bootloader, ok. But when I am going into sideload to flash the stock rom, adb says "device not found"! It's found in fastboot, so what wrong?
Thx in advance

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