<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px"><div id="yui_3_16_0_ym19_1_1545083624862_84691"><span>Hi Nick,</span></div><div id="yui_3_16_0_ym19_1_1545083624862_84725"><span><br></span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1545083624862_84714"><span id="yui_3_16_0_ym19_1_1545083624862_84777">I did try an /etc/init.d/modemmanager restart, and that didn't bring it back. It had to be a full reboot of the router. I haven't tried QMI yet with MM, but mbim is supposed to be more fault tolerant, I thought?</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1545083624862_84714"><span><br></span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1545083624862_84714"><span id="yui_3_16_0_ym19_1_1545083624862_84863">I haven't tried to drop the bearer and rebuild it, but I'm worried about downtime, and if someone is streaming, I'm worried that the connection will be reset every tower and break the stream.</span></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1545083624862_84692"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_ym19_1_1545083624862_84696" style="display: block;"> <div style="font-family: Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 13px;" id="yui_3_16_0_ym19_1_1545083624862_84695"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_ym19_1_1545083624862_84694"> <div dir="ltr" id="yui_3_16_0_ym19_1_1545083624862_84693"> <font size="2" face="Arial" id="yui_3_16_0_ym19_1_1545083624862_84703"> <hr size="1" id="yui_3_16_0_ym19_1_1545083624862_84702"> <b><span style="font-weight:bold;">From:</span></b> Nick <mips171@icloud.com><br> <b><span style="font-weight: bold;">To:</span></b> Peter Krause <peter@uringme.com> <br><b><span style="font-weight: bold;">Cc:</span></b> ModemManager (development) <modemmanager-devel@lists.freedesktop.org><br> <b><span style="font-weight: bold;">Sent:</span></b> Tuesday, December 18, 2018 4:53 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: OpenWRT Sierra EM7455 drops connection while driving<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_ym19_1_1545083624862_84699"><br><div dir="ltr" id="yui_3_16_0_ym19_1_1545083624862_84698">Hey,<br clear="none"><br clear="none">I’m only a little familiar with MM so I don’t know if handover works or not, but FWIW I did do some testing with SIM hot swapping and found that the modem objects created by MM have to be destroyed for the new SIM to be used. I did this by issuing a stop/start to /etc/init.d/modemmanager. Maybe you can try that and have some luck? Have you tried the modem in QMI mode? AT!USBCOMP=1,1,10D does it on an MC7430<br clear="none"><br clear="none">Best,<br clear="none">Nick</div><br><br></div> </div> </div> </div></div></body></html>