ThinkNode M5 & Meshastic 2.7.14.e959000 Alpha: invalid header: 0x�ESP-ROM:esp32s3-20210327

Hi everyone,
I used the Meshtastic Webflasher to upgrade my ThinkNode M5 firmware to version 2.7.14.e959000 Alpha. After flashing, the device no longer boots. When I connect via serial console, I see the following output:

invalid header: 0x�ESP-ROM:esp32s3-20210327
Build: Mar 27 2021
rst:0x10 (RTCWDT_RTC_RST), boot:0x2b (SPI_FAST_FLASH_BOOT)
invalid header: 0x3a343034
invalid header: 0x3a343034
invalid header: 0x3a343034
invalid header: 0x3a343034
invalid header: 0x3a343034

Has anyone run into this issue before?
Any guidance on how to recover the device and get it working again would be greatly appreciated!

Comments

  • Dear Customer/Sender,

    Thank you for reaching out to us and for your continued support.

    We have received your messages, and our technical support team is reviewing the details. Please allow us some time to look into the matter. We will get back to you as soon as possible with an update.

    In the meantime, pls check if you have provided the following information. if not, pls send to us, so that we can fix your problems faster.

    1. pl tell us exactly which of our products you are using. We need to know the SKU No. . Or Please provide the purchase link for the product. so that we can continue to analyze the issue

    2. Also, please provide the order number, product purchase link(if applicable), along with the name of the retailer, store, platform, or website where you purchased the product?
      This allows us to work with the seller to provide you with better service.

    We apologize for any inconvenience this may cause and appreciate your patience and understanding.

    Best regards,

  • Dear deadbeef ,

    Please try to flash the device to the stable firmware version.
    Thanks!
    Warm regards,

  • Hi Jennie,
    Order number: 262321 (purchased directly from the Elecrow store)
    SKU: ILM13205D1
    Could you please advise if there is a stable version of the metastatic firmware available for SKU ILM13205D1?
    Thank you for your assistance.
    Best regards,
    Luka

  • @deadbeef said:
    Hi Jennie,
    Order number: 262321 (purchased directly from the Elecrow store)
    SKU: ILM13205D1
    Could you please advise if there is a stable version of the metastatic firmware available for SKU ILM13205D1?
    Thank you for your assistance.
    Best regards,
    Luka

    Dear Luka,
    The firmware of this device was developed by the meshtastic team in collaboration with us. Generally, if the meshtastic website indicates it as a stable version, it means it is stable. Please use the latest stable version.

    Thanks.
    Warm regards,

  • Hi Jennie
    Just tried.. same problem.

    Flash log:

    esptool.js
    Serial port WebSerial VendorID 0x1a86 ProductID 0x7522
    Connecting...
    Detecting chip type... ESP32-S3
    Chip is ESP32-S3 (QFN56) (revision v0.2)
    Features: Wi-Fi,BLE,Embedded PSRAM 8MB (AP_3v3)
    Crystal is 40MHz
    MAC: 30:ed:a0:31:bb:00
    Uploading stub...
    Running stub...
    Stub running...
    Erasing flash (this may take a while)...
    Chip erase completed successfully in 0.787s
    Not changing the image
    Compressed 16 bytes to 24...
    Writing at 0x0... (100%)
    Wrote 16 bytes (24 compressed) at 0x0 in 0.012 seconds.
    Compressed 506704 bytes to 309044...
    Writing at 0x260000... (5%)
    Writing at 0x26abbd... (10%)
    Writing at 0x279dd4... (15%)
    Writing at 0x27f920... (21%)
    Writing at 0x285293... (26%)
    Writing at 0x28a706... (31%)
    Writing at 0x28fd59... (36%)
    Writing at 0x295594... (42%)
    Writing at 0x29a8ed... (47%)
    Writing at 0x29ff84... (52%)
    Writing at 0x2a57ae... (57%)
    Writing at 0x2aaef0... (63%)
    Writing at 0x2b02a9... (68%)
    Writing at 0x2b59ec... (73%)
    Writing at 0x2bb0cf... (78%)
    Writing at 0x2c0952... (84%)
    Writing at 0x2c9cf8... (89%)
    Writing at 0x2d0fa8... (94%)
    Writing at 0x2d6a46... (100%)
    Wrote 506704 bytes (309044 compressed) at 0x260000 in 27.442 seconds.
    Compressed 16 bytes to 24...
    Writing at 0x300000... (100%)
    Wrote 16 bytes (24 compressed) at 0x300000 in 0.011 seconds.
    Leaving...
    

    then bootlog:

    invalid heade�ESP-ROM:esp32s3-20210327
    Build:Mar 27 2021
    rst:0x7 (TG0WDT_SYS_RST),boot:0x2b (SPI_FAST_FLASH_BOOT)
    Saved PC:0x40049b21
    invalid header: 0x3a343034
    invalid header: 0x3a343034
    invalid header: 0x3a343034
    invalid header: 0x3a343034
    invalid header: 0x3a343034
    invalid header: 0x3a343034
    invalid header: 0x3a343034
    invalid header: 0x3a343034
    invalid header: 0x3a343034
    invalid header: 0x3a343034
    invalid header: 0x3a343034
    invalid header: 0x3a343034
    invalid header: 0x3a343034
    
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