Topic | Invalid Firmware

Home Forums Mooshimeter Support Invalid Firmware

  • This topic has 2 replies, 2 voices, and was last updated 6 years ago by Anonymous.
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    • #15319 Reply
      Anonymous
      Inactive

      After several attempts I got my android device to syc with bootloader (previously had reported failure to initialise several times). Update seemed to proceed as your video and show EXIT. On restarting the app all scan shows now BOOTLOADER invalid firmware. LED on front is continuously flashing red.

      What do I do next?

    • #15320 Reply
      admin
      Keymaster

      Hi Tooshim,

      Replied to your email but copying answer here as well:

      If you went through the upload process but ended up with invalid firmware on the meter, my guess is that the batteries in the meter are low. There is a hardware issue where firmware updates can be corrupted if they’re done on a low battery. Please try replacing the batteries and attempting the upload again.

      Sorry for the trouble, best
      ~James

    • #15330 Reply
      Anonymous
      Inactive

      Update to close the post.

      Problem resolved (thanks to prompts at various stages from James). It took the following steps and in the order given:

      i) Batteries replaced twice with fresh ones from stock (note the originals still showed 80/90% and OK on a separate battery tester). FAILURE.
      ii) Ensured meter was not near any known alternative Bluetooth source. For instance I was wearing a Garmin watch which was also synced over Bluetooth to its app on the same phone. FAILURE
      iii) Carried out the upload using the legacy option. (notwithstanding phone is 6month old One+Three with latest Android/One+ firmware). SUCCESS.

      At this point an uncorrupted firmware message displayed in the app bootloader. However app was still locked in bootloader mode

      Resetting the meter and phone restored full functionality ie removal of the meter batteries, rebooting the phone, reinserting the batteries once the Android home screen appeared and then restarting the app once the meter red led had ceased to flash.

      Thanks

      T

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