Found Winbond flash chip “W25Q32.V” (4096 kB, SPI) on ch341a_spi

Reading old flash chip contents...done.

Erasing and writing flash chip...Erase/write done.

Verifying flash...FAILED at 0x00000010! Expected=0x5a, Found=0xff, failed byte count from 0x00000000-0x003fffff: 0x1f3d61

Your flash chip is in an unknown state

I did successfully create a backup, but when I opened it with a hex editor, it is mostly FF.

Is the chip toast?  Or is there something else I can try?