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Case ID: 122725

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Recover the MBR

mamrezo over 7 years ago

hello i have nRF51822 QFAAH1 and accidentally erased the chip and also MBR section with jlink, what should i do for bring MBR back.

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mamrezo over 7 years ago in reply to bjorn-spockeli +1

you are right, but why first time it worked but when i erased all the chip didn't work? when i upload the program at 0x00000000 instead of 0x0001C000, it works (without using SD)

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0 bjorn-spockeli over 7 years ago

Hi Mamrezo,

the MBR is a part of ourSoftDevices, see this page on Infocenter, thus you just have to flash the SoftDevice to your nRF51822.

Best regards

Bjørn
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0 bjorn-spockeli over 7 years ago in reply to bjorn-spockeli

Are you sure that the SoftDevice you flashed to the nRF51822 is compatible with the application program? Which SDK version is the application built in and which SoftDevice version are you using?
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0 bjorn-spockeli over 7 years ago in reply to bjorn-spockeli

Are you sure that the SoftDevice you flashed to the nRF51822 is compatible with the application program? Which SDK version is the application built in and which SoftDevice version are you using?
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