'Device doesn't support uart' error on nrf52-dev kit with ble_app_uart_s132_pca10036

[Johannes Lorenz]

Hi,

I am trying to get the ble uart example from the sdk 0.9.2 working on my nrf52 DK board. But the nRF UART v2.0 application on my android phone, quits instantly after connecting the ble service with the error message:

"Device doesn't support uart'.

What I have done so far:

• flashed the board's region 1 with the s132 softdevice: s132_nrf52_1.0.0-3.alpha_softdevice.hex
• compiled the example from the SDK 0.9.2 with Keil's uVision
• flashed region 2 of the nrf52 dev board with the application

The application runs nicely and I can't see anything obvious from the debugger.

Any ideas what's going wrong and how to fix it?

Yours Johannes

[Anders Strand]

Hey.

The android phone is saving old service discovery data, and still thinks your device is the same as the first time it connected to it. Try this solution for clearing the cached services.

[Johannes Lorenz]

Really strange, I downgraded to nRF52 SDK-0.9.1 and now the example is working.

[Johannes Lorenz]

Next attempt, I upgraded again to nRF52 SDK-0.9.2 and now the example is also working again. I suspect it must be the caching effect, as Anders pointed out in his answer.