Cannot ungrade firmware to be able to select band
Hi
From another thread I saw that i could download a beta version of firmware which would allow me to select a band, I have downloaded the firmware (boot_up 200325) however I get an error when trying to upgrade. error 71211.
Basically I am using the Rain network and need to select Band 41 to be able to get decent speeds otherwise my speeds are less than 1mb.
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@Ivaylo Thanks, just checked it is an EU device, is the firmware update a US one and is there an EU update perhaps?
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Hello, are you trying to upgrade to this beta firmware?
As per the error message you experienced (error code 71211), it seems that you select a wrong file, please check again if you download the correct beta firmware for your MR6400, you need to unzip the file first after downloaded.
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hi, I did manage to download it and install it thanks, hasn't made much of a difference unfortunately, seems that the rain network is just bad in my area.
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Sorry to hear that.
Are you able to test different SIM cards with it? If the Rain network is not good, maybe you can change the SIM card carrier to have a try.
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