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Unable to program evaluation kit after flashing softdevice

Hi guys,

I am using the gcc setup to program my boards. However for flashing the softdevice I use nrfgoStudio. SO I downloaded the hex file and fashed the siftdevice. But after this I am unable to program the board. It keeps telling me:

****** Error: Programming failed @ address 0x00000000 (block verification error) Info: J-Link: Flash download: Total time needed: 0.178s (Prepare: 0.127s, Compare: 0.004s, Erase: 0.017s, Program: 0.013s, Verify: 0.000s, Restore: 0.014s)

To program after this I need to execute these commands:

device nrf51822 w4 4001e504 2 w4 4001e50c 1 w4 4001e514 1 sleep 100 r

As shown here devzone.nordicsemi.com/.../. What could the problem be?

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