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Forum Discussion
dotbill
Jul 23, 2021Tutor
MR5200 won't attach to n77 after firmware update - multiple questions!
I have a number of MR5200 that I use for testing locally on a local network... The old firmware (NTGX55_10.29.11.00) worked really well on my band 3 / n77 5G NSA setup however a newer firmware that g...
dotbill
Jul 24, 2021Tutor
Carrier is bluewave (234 / 73). Operates on band 3 and band n77 as 5G NSA.
dotbill
Jul 26, 2021Tutor
As a further update - I've discovered that the MR5200 advertises that it can work on band n77 but doesn't list any available bandwidths (for those aware - the field "channelBWs-DL fr1" in the UE Capabilities reply..
However on band n78 it lists (5/10/15/20/40 MHz).
This suggests that you've either deliberately crippled the device working in a band that it previously worked - or, there is a bug where it wasn't tested fully..
Any chance of pushing this forwards as:
- not being able to revert software updates
- not being able to stop software updates
- not being able to join a band that I could previously
- not being able to use my devices anymore because of the above three statements is a little troubling!
Cheers