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Push Firmware to my own CB6300 modem

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Push Firmware to my own CB6300 modem

I'm getting my modem CB6300 rebooted many times because Comcast is trying to update my modem with a wrong version. How can I get the right version or block this to happen, is getting really annoying. I've been more than 2 years with xifinity. This is happening now

 

This is from admin tool event logs

 

2020-02-27, 15:34:45.0 Error (4) SW upgrade Failed after download - Incompatible SW file
2020-02-27, 15:34:41.0 Notice (6) SW Download INIT - Via Config file d11_m_c6300_extremespeed_c01.cm
2020-02-27, 15:34:20.0 Notice (6) TLV-11 - unrecognized OID;CM-MAC=2c:30:33:82:f9:b0;CMTS-MAC=00:9e:1e:58:69:cb;CM-QOS=1.1;CM-VER=3.0;
Time Not Established Notice (6) Honoring MDD; IP provisioning mode = IPv6
Time Not Established Critical (3) No Ranging Response received - T3 time-out;CM-MAC=2c:30:33:82:f9:b0;CMTS-MAC=00:9e:1e:58:69:cb;CM-QOS=1.0;CM-VER=3.0;
Time Not Established Notice (6) WiFi Interface [wl0] set to Channel 6 (Side-Band Channel:N/A) - Reason:INIT
Time Not Established Notice (6) WiFi Interface [wl1] set to Channel 153 (Side-Band Channel:N/A) - Reason:INIT