https://devzone.nordicsemi.com/f/nordic-q-a/26875/how-to-configurate-softdevice-ram-usageI am working on nRF51422 with SDK 12.3.0, S130 v2.0.1, Keil C. I got a problem in initialization my custom service. When I add some characteristic to SoftDevice, it returns NRF_ERROR_NO_MEM. I have some RAM space in application region for SoftDeviceen-USTelligent Community 13Tue, 14 Nov 2017 17:03:07 GMThttps://devzone.nordicsemi.com/thread/105648?ContentTypeID=1Tue, 14 Nov 2017 17:03:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:135c2ccb-3acf-4cd5-81a0-9c04d4fa8c5fendnode<p>There are so many Q&amp;S on this forum as well as description in SD release documents. Could you check particular chapter &quot;SoftDevice RAM usage&quot; in &quot;s13x_nrf5x_2.0.1_migration-document.pdf&quot; attached to S130 release in release ZIP? Which part is unclear?</p><div style="clear:both;"></div>