new problem xprog was 5.3 with dongle updated to 5.5.5 but was not very stable and went back to 5.5.1 all good but after time starting to get verify errors and wrong reads so reflashed and something went wrong during the flash wit fuse and lock bits and now device is silent , desolder the eeprom and read it al FFFFF reprogram the eeprom with a dump now xprog identify when i put usb cable but it looks like the atmega is locked or busted , i put 4Mhz ossicillalator on crystal pin of atmega to see if it will wake up but no luck , Should i replace the atmega64a or another way to wake it up ?
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