Reading EEPROM contents was not a problem,
But when erasing such error occurs.
flashprog p1.3-3-g8a27db9 on Linux 6.1.0-31-amd64 (x86_64)
flashprog is free software, get the source code at https://flashprog.org
Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns).
serprog: Programmer name is "pico-serprog"
Found Winbond flash chip "W25Q80.V" (1024 kB, SPI) on serprog.
Erasing flash chip... FAILED at 0x00002005! Expected=0xff, Found=0xdd, failed byte count from 0x00000000-0x000fffff: 0x4b9
ERASE FAILED!
FAILED!
Your flash chip is in an unknown state.
Please report this to the mailing list at flashprog(a)flashprog.org
or on IRC (see https://www.flashprog.org/Contact for details), thanks!
Any ideas?