Hi, I do have non working EM9190 - it is on Sierra Warranty but they told me it is “child device” (it is extracted from Cradlepoint R1900) and they refuse to generate RMA. Module stops working when carrier firmware was upgraded. I do belie module rejects firmware (no AT command is possible). I’ve …

EM9190 . EM9191 fw problem

jyijyi June 16, 2023, 8:51am 2

only have this one 01.07.19.00, see if it helps:

Topic		Replies	Views
Error when downloading FW for EM9190 MC/EM Series fw-upgrade	14	864	March 21, 2023
EM9191 module locked up or crashed MC/EM Series	4	691	February 10, 2023
EM9191 disabled after firmware download attempt MC/EM Series	5	1587	November 1, 2021
EM9190 latest firmware? MC/EM Series	14	1733	February 4, 2021
EM9291 Registration Issues MC/EM Series	19	121	June 16, 2025