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TOM VENABLES
Beginner

C819HG-V-K9 3G modem firmware upgrade availability

Where can I find the latest firmware upgrades available for a Sierra Wireless MC5728 3G EVDO modem for a C819HP-V-K9 Integrated Services Router I own.  It is still on the Rev 1.0 version it came with and I know Sierra Wireless has released 1.56, but I am unable to find it anywhere on Cisco Support site.

2 REPLIES 2
mohanak
Cisco Employee

Feature

Description

Cisco IOS Software requirement

Cisco IOS Software Release 15.2(4)M1 or later for 819H, 819HW and 819HGW SKUs.

Cisco IOS Software Release 15.1(4)M1 or later for 819(H)G SKUs

http://www.cisco.com/web/software/284285628/101593/Cisco_LTE_Firmware_Upgrade_MC7750_071813.pdf

https://software.cisco.com/download/release.html?mdfid=283779210&softwareid=280805680&release=15.3.3M3

TOM VENABLES
Beginner

I should have added additional details.  My current IOS is 15.3(3)M5 and this is a C819HG-V-K9 which means it is a 3G broadband modem based router, not an 4G LTE based one.   I have several of both models, but cannot find the 3G modem firmware upgrades for this model.   It is still on Rev. 1.0 of firmware.  Recently, I have been having modem connection issues which Verizon claims could be caused by the older firmware as they upgrade and perform maintenance on LTE service.  The MC5728v Sierra Wireless oem chipset does have newer firmware Rev 1.56 available from Sierra Wireless, but I have not been able to find the firmware package through Cisco support.

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