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Continue to ChatnRF52 Debug Resurrection (APPROTECT Bypass) Part 1 https://limitedresults.com/2020/06/nrf52-debug-resurrection-approtect-bypass/
nRF52 Debug Resurrection (APPROTECT Bypass) Part 1 https://limitedresults.com/2020/06/nrf52-debug-resurrection-approtect-bypass/