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Holger Hans Peter Freyther holger at freyther.deOn 04/07/2012 10:03 AM, Marnix Janse wrote: > > The device is in DFU-mode when you see this in dmesg: s/DFU/SAM-BA/ Out of curiosity, were you forced to use SAM-BA? Somehow our expectation is that SAM-BA is only used as last resort. > NFC-tests are part of my work package, but it looks like the board requires > some shielding. The 13MHz antennas seem to disturb the operation on the > simtrace-boad. Will find a solution and report back to the community. We had this topic at the OsmoDevCon2012 and the mentioned solution was: "NFC and SIMtrace FPC... interference... 13..Mhz NFC magnetic coupling -> use copper tape as shielding" holger