https://devzone.nordicsemi.com/f/nordic-q-a/81339/case-about-dk-pca10090-0-8-5Hi, 1. What modem versions does this board support? For example mfw_nrf9160_1.3.0？ 2. This board programmer this example:lwm2m_client Using AT + CFUN? No return? Why is there no return from this example 3. Is this board too old? Thanken-USTelligent Community 13Mon, 08 Nov 2021 10:16:19 GMThttps://devzone.nordicsemi.com/thread/337873?ContentTypeID=1Mon, 08 Nov 2021 10:16:19 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2a04ea76-4173-449e-bc78-92bd10dc54cbCharlie<p>You are right.</p> <p>Best regards,</p> <p>Charlie</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/337848?ContentTypeID=1Mon, 08 Nov 2021 09:25:59 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a2a795f3-e56f-4433-a2f4-0414b677c78bpeter.min<p class="tgt"><span class="tgt">Hi Charlie</span></p> <p class="tgt"><span class="tgt">I used the modem version as:mfw_nrf9160_1.2.3.zip</span></p> <p class="tgt"><span class="tgt">Am I using at_client AT + CFUN?</span><span class="tgt"> is ok</span></p> <p class="tgt"><span class="tgt">But using lwm2M_client AT + CFUN?</span><span class="tgt"> is not ok</span></p> <p class="tgt"><span class="tgt">Thank&ensp;you&ensp;for&ensp;all&ensp;your&ensp;assistance.<br />Kind regards,<br />Peter.Min</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/337467?ContentTypeID=1Thu, 04 Nov 2021 12:41:18 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9a839693-c0e6-4539-91f5-41ccd2ae6812Charlie[quote user=""]<p>1.<span>What modem versions does this board support?</span></p> <p><span>For example&nbsp;</span>mfw_nrf9160_1.3.0？</p>[/quote][quote user=""]3.<span>Is this board too old?</span>[/quote] <p>Yes, it is. This board uses an Engineering version of nRF9160. Even MFW does not have special requests on chip version, we still strongly suggest you switch to the latest DK board.&nbsp;</p> <p><a href="https://infocenter.nordicsemi.com/topic/comp_matrix_nrf9160/COMP/nrf9160/nrf9160_ic_rev_comp_with_dev_hw.html">https://infocenter.nordicsemi.com/topic/comp_matrix_nrf9160/COMP/nrf9160/nrf9160_ic_rev_comp_with_dev_hw.html</a></p> [quote user=""]<p>2.<span>This board&nbsp;programmer this example:lwm2m_client</span></p> <p><span>Using AT + CFUN?</span><span> No return?</span></p>[/quote] <p>Please try <a href="https://developer.nordicsemi.com/nRF_Connect_SDK/doc/1.7.1/nrf/samples/nrf9160/at_client/README.html">nRF9160: AT Client sample</a>.</p> <p>Best regards,</p> <p>Charlie</p><div style="clear:both;"></div>