<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Craig,<div class=""><br class=""></div><div class="">This is the line that matters:</div><div class=""><br class=""></div><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div class=""><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Menlo-Regular;" class="">State: PoweringOn</span></div></blockquote><div class=""><div><br class=""></div><div>The others all show the status before the last power down.</div><div><br class=""></div><div>That state means it is sending OK’s to the modem, and waiting for a response. If it doesn’t get one, it will try a reset (via MDM_EN) and wait again.</div><div><br class=""></div><div>It would be useful to see a debug log from the modem in that state. See what is being sent to it, and what it replies with (if anything) - particularly through the MDM_EN reset cycles.</div><div><br class=""></div><div>Regards, Mark.</div><div><br class=""></div><div><blockquote type="cite" class=""><div class="">On 23 Nov 2019, at 6:12 AM, Craig Leres <<a href="mailto:leres@xse.com" class="">leres@xse.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">On 2019-11-22 01:56, Michael Balzer wrote:<br class=""><blockquote type="cite" class="">What firmware version do you have on the SIMCOM?<br class=""></blockquote><br class="">The one that most recently wedged is... wedged again:<br class=""><br class=""> OVMS# simcom cmd AT+CGMR<br class=""> ERROR: SIMCOM command channel not available!<br class=""><br class="">But in a new way, the gps is working and the modem is registered with the network:<br class=""><br class=""> OVMS# simcom<br class=""> Network Registration: RegisteredRoaming<br class=""> Provider: T-Mobile Hologram<br class=""> Signal: -93 dBm<br class=""><br class=""> State: PoweringOn<br class=""><br class=""> PPP: Not connected<br class=""> Last Error: User Interrupt<br class=""><br class=""> GPS: Not connected<br class=""><br class="">I guess it got into a funny state when I was driving earlier. Anyway after rebooting it was still stuck in PoweringOn so I cycled power.<br class=""><br class="">Ok, both of the modules I have in cars are 35316B07SIM5360A. My third module is the one I swapped simcoms in and is LE11B02SIM7500A (physical label says 7600A).<br class=""><br class="">I registered with <a href="http://techship.com" class="">techship.com</a> and have the firmware update tool. But the only rar files I see look like they're for the European SIM5360?<br class=""><br class=""> <a href="https://simcom.ee/documents/?dir=SIM5360" class="">https://simcom.ee/documents/?dir=SIM5360</a><br class=""><br class=""> 35316B09SIM5360E.rar<br class=""> 35316B10SIM5360E.rar<br class=""> 35316B10SIM5360E_QDL5.1.rar<br class=""><br class="">and I don't see anything for the 7600. I've asked if the US firmware is available.<br class=""><br class="">What's the path to upgrading simcom firmware? Is it just a matter of plugging the usb connector on the modem board to my windows 10 laptop? I can see USB_D- and USB_D+ connections to the simcom, not sure about USB_5V.<br class=""><br class="">Tomorrow I'll try to pull my car modules and determine if the modem boards have the pullup resistor or not.<br class=""><br class="">One last thing I'm confused about is the pullup resistor on the MEM_EN line. I don't see it on v3.1 or v3.2 schematics? I tried to complare the pdfs from github visually and the only difference I see is in the A0Z1280CI circuit (and I remember Mark saying they added a choke to the power supply).<br class=""><br class=""><span class="Apple-tab-span" style="white-space:pre"> </span><span class="Apple-tab-span" style="white-space:pre"> </span>Craig<br class="">_______________________________________________<br class="">OvmsDev mailing list<br class=""><a href="mailto:OvmsDev@lists.openvehicles.com" class="">OvmsDev@lists.openvehicles.com</a><br class="">http://lists.openvehicles.com/mailman/listinfo/ovmsdev<br class=""></div></div></blockquote></div><br class=""></div></body></html>