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nRF52 demo not working

Hi, I'm trying to run the ble_app_uart_s132_pca10040 demo but I can't get it to work. We're using Keil 5.17 and downloading the example from the pack installer. The packs are up to date: V11.0.0-2.alpha(2015-12-18) My device is a AABA revision.

Firstly when I program in the softdevices (we've tried both) I notice that the application code starts at 0x1F000 and 0x1C000 (V2). The example target is set to run at 0x1B000 (size 0x65000). Changing this to match the application area and the code debugs at least (gets to main) but there is no advertising (no LED + buttons have no effect).

Does anyone know what the problem might be? Thanks

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