https://devzone.nordicsemi.com/f/nordic-q-a/37417/downgrading-softdevice-from-s132-v-5-to-s112-v-6Our device is implemented as BLE peripheral device and based on nRF52832 For saving space in Flash memory we try to downgrade SD version from S132 v 5.0 to S112 v 6.1.0 We use SDK version 14.2 SW compilation succeed but when we try to upload iten-USTelligent Community 13Mon, 13 Aug 2018 12:19:21 GMThttps://devzone.nordicsemi.com/thread/143945?ContentTypeID=1Mon, 13 Aug 2018 12:19:21 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3e8b3f2d-c7e2-487c-9731-abc95f9eb1c7Vidar Berg<p>Hi,</p> <p><span>SDK version 14.2 uses softdevice API version 5.x.x, and is therefore not compatible with s112 v.6.1.0. The memory layout will also need to adjusted in your linker configuration to correspond with the new softdevice size. I would recommend to use SDK 15 instead, if possible?&nbsp;</span></p> <p><span>Release notes s112 v.6.1.0</span></p> <p><span><a href="https://devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/s112_5F00_nrf52_5F00_6.1.0_5F00_release_2D00_notes.pdf">devzone.nordicsemi.com/.../s112_5F00_nrf52_5F00_6.1.0_5F00_release_2D00_notes.pdf</a></span></p> <p><span>Migration document s112 v6.1.0 (from version 5.x.x)</span></p> <p><span><a href="https://devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/s112_5F00_nrf52_5F00_6.1.0_5F00_migration_2D00_document.pdf">devzone.nordicsemi.com/.../s112_5F00_nrf52_5F00_6.1.0_5F00_migration_2D00_document.pdf</a></span></p> <p><span>&nbsp;</span></p><div style="clear:both;"></div>