https://devzone.nordicsemi.com/f/nordic-q-a/57471/connection-parameter-update-during-data-xferHi, In my NRF52840 based application, I have a situation where the peripheral needs to pass 2K to central. In order to speed up the xfer, I&#39;m requesting a Connection Parameter Update from the central ( which may or may not honor it ) . My questionen-USTelligent Community 13Thu, 13 Feb 2020 14:18:25 GMThttps://devzone.nordicsemi.com/thread/234210?ContentTypeID=1Thu, 13 Feb 2020 14:18:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:bfa67212-b507-4138-8f7a-1bbca231819bJared<p>Hi,</p> <p>ah sorry, I misunderstood the question. Yes you can continue with transfer of data while the negotiation is happening in the background. You don&#39;t have to wait for it to be approved or not before you can continue to send data.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/233350?ContentTypeID=1Fri, 07 Feb 2020 16:02:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7d0c30b2-4bc6-447e-a4e6-ef6b7d1d9060ran<p>I&#39;m OK with the central rejecting it, the burst will take longer then.&nbsp;</p> <p>The question is if I can transfer data while there is a connection negotiation in the background ?</p> <p></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/233252?ContentTypeID=1Fri, 07 Feb 2020 12:05:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7207907b-0a1d-4ee5-85bd-8d93566ac85eJared<p>Hi,</p> <p>No, you would have to wait for the event as the central can reject it the&nbsp;<a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s132.api.v7.0.1/group___b_l_e___g_a_p___c_e_n_t_r_a_l___c_p_u___m_s_c.html">connection parameter update.</a></p> <p>regards</p> <p>Jared</p><div style="clear:both;"></div>