https://devzone.nordicsemi.com/f/nordic-q-a/26662/bootloader-ram-settingsWe have shifted our development from nrf51422 QFAC (32kB RAM and 256 kB Flash) to nrf51822 QFAA (16kB RAM and 256 kB Flash). I&#39;m unable to run dual bank ble bootloader on the latter one, which I assume is because of lesser RAM. What memory settingsen-USTelligent Community 13Tue, 07 Nov 2017 12:11:15 GMThttps://devzone.nordicsemi.com/thread/104887?ContentTypeID=1Tue, 07 Nov 2017 12:11:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:795edaa2-f1d5-4e8a-957f-4fa5e7e915beRohanKadam<p>It worked. Thanks testy.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/104886?ContentTypeID=1Tue, 07 Nov 2017 06:43:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f796f957-12e8-4a49-a62f-c6866290efb0testy<p>32KB ~ 32768bytes ~ 0x8000</p> <p>16KB ~ 16384bytes ~ 0x4000</p> <p>This should work for nrf51422 <strong>QFAA</strong>:</p> <p><img src="https://devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/3652.boot.png" alt="image description" /></p><div style="clear:both;"></div>