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Firmware update Failed:Rom mode

Hello everyone,
I received the alpha + yesterday.
And I immediately got an update.

It downloaded successfully, but rtk viewer failed to install it.
Now the Alpha is in Rom mode.

I have tried different forum topic but unable to install this update[RtkViewer.exe crashes (REASON DETECTED) (update released)].

Do you have an idea?
Thank you for your help

Sorry, My bad.
I had not connected the antenna!

Hi Piero210.

  1. Fimware new supporting GPS L1/L2C, Beidou B1I/B2I, Galileo E1/E5b, GLONASS L1 / L2?
  2. Works over baseline, over 50Km?
    Thanks!
    Mr Tran

You can update firmware again in ROM mode.When finished, replug Alpha +.