[Ovmsdev] Cannot reset simcom stuck in PoweringOn state without removing module power

Michael Balzer dexter at expeedo.de
Fri Nov 22 17:56:26 HKT 2019

Am 22.11.19 um 07:25 schrieb Craig Leres:
> As I understand it, there is no control over simcom power just control
> of an input to simcom that requests that it powers off (or on). So is
> the problem that it's possible to wedge the simcom in such a way that it
> ignores the control input?

Most likely.

What firmware version do you have on the SIMCOM?

We've found differences in bug behaviour already:

My modules have:

  * v3.0 module, modem board v1.0: 35316*B10*SIM5360E
  * older v3.1 module, modem board v1.1: 35316*B11*SIM5360E
  * newer v3.1 module, modem board v1.1: 35316*B09*SIM5360E

I don't have a 3.2 module or US modems to check.

Interestingly, the B11 version for the 5360E isn't even downloadable at SIMCOM:

I've found later versions (up to B13) and release notes listed only here:

…but you need an account to access them and must accept an NDA.



Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26

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