https://devzone.nordicsemi.com/f/nordic-q-a/8960/s110-v7-3-0---problems-with-ceaa-chipHello, i have bought nRF51822 pcb module on Aliexpress (nRF51822 CEAA chip HWID 006A, 16Mhz crystal) and I&#39;m trying to test it with SDK 6.1.0 and S110 v. 7.3.0 (as compatibility matrix recommends for revision 2 chips). It doesn&#39;t work. After flashingen-USTelligent Community 13Sat, 29 Aug 2015 10:35:13 GMThttps://devzone.nordicsemi.com/thread/33003?ContentTypeID=1Sat, 29 Aug 2015 10:35:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a077241a-d0d4-4da4-949b-20c971a83311woytekm<p>Nevermind. I got it working by erasing flash with</p> <pre><code>w4 4001E504, 2 w4 4001e50C, 1 </code></pre> <p>and reprogramming S110 and application code again.</p><div style="clear:both;"></div>