Hi everyone,
Lately I have been using a PCA10040 (nRF52-DK) with J-Link OB-SAM3U128-V2-NordicSem V1.00 version.
I'm trying to program two boards one with nRF51822_xxAA and the other with nRF52832_xxAA.
It seems there is no problem to program the nRF52 board using J-LINK V6.94b and nRF Command Line Tool 10.12.1. Can program, recover and erase all with no problem.
But when I try to use it with the nRF51 board it seems like not working or randomly working.

I need help with this, how to solve this issue since I need to use PCA10040 for nRF51 and nRF52.
Thanks a lot.