How to upgrade LtAP mini LTE US Kit modem in v7.1beta6

Hi,
I have a LtAP mini LTE Kit US, It works fine on v6. 47.X, and v6.48.x
Under v6.48.3, I can see the modem version is up to date :

[brg3466@LtAP] > /interface lte firmware-upgrade lte1 once
  installed: R11eL_v16.02.183961
     latest: R11eL_v16.02.183961

But after I upgraded to v7.1beta6, the LTE interface is not running anymore. It always shows
A newer version of modem firmware is available.

Since I cannot get the lte1 interface running, I cannot upgrade the modem firmware.

Any solutions ?

Thank you !

R11eL_v05.03.183961
R11eL_v05.04.193841
R11eL_v05.04.193841
exist probably sometimes for ros7…
the Original source have still have the v05.02 version as latest one.

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