Xiaomi R1D Unbricking: xVortex CFE FullDump Tomato NVRAM

Discussion in 'Tomato Firmware' started by Mihai Olimpiu-Cristian, Sep 4, 2018.

  1. Mihai Olimpiu-Cristian

    Mihai Olimpiu-Cristian Networkin' Nut Member

    As I've searched all over the internet for a full dump for this router to unbrick my unit I've decided to post a clean version for anyone to use if needed.
    It's from my own router, but with a generic MAC.

    If you want to use your own MAC, use the xVortex CFE editor to create a new CFE and just overwrite the first 256 KB of the file.

    The structure I've used in creating the file is
    256KB - CFE
    16000 KB - SYS file
    128KB - NVRAM

    In Tomato, bricking the unit is caused when FULLY erasing NVRAM, bringing the values to defaults is no problem.
    With the included xVortex CFE you will have access to the CFE by powering the unit while holding reset for 10 seconds. Only downside I've found is the power/connection LEDs don't work anymore.

    A lot of sweat and blood was shed in unbricking/creating this dump from scratch (mostly understanding why it doesn't boot with only the CFE flashed and making the damn CH341A flasher work with Win 10 - use v1.18 ).
    Download file, hosted on the DD-WRT foum, as I couldn't upload it here, but I figured most of you guys have access to both foums.
    https://forum.dd-wrt.com/phpBB2/download.php?id=42045
     
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