Texas Instruments SimpleLink CC2640 User Manual page 30

c. Go to Options -> GAP settings and click on Apply to enable fast connection interval
4. Build Image B
a. Open up simple_peripheral project in IAR found in
$BLE_INSTALL$\examples\cc2650lp\simple_peripheral\iar and choose the
FlashOnly_OAD_ImgB configuration and build the project
b. In BLE Device Monitor, open up OAD Programming tab (File -> Program (OAD)). Add the
hex image from previous step
c. Press the Start button to begin programming (leave "Fast Mode" unchecked)
d. Device should reset and start running new Image B, verify in the Event Log pane below: