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Question about flashing Firmware

Discussion in 'HyperWRT Firmware' started by frad, Sep 5, 2004.

  1. frad

    frad Network Guru Member

    Hi I just had a few questions before I consider using HyperWRT.

    If I install HWRT 1.3 over my existing firmware (2.04.4) can I decide at later date to install the original firmware again?

    Also more generally, can I safely downgrade to an earlier version of the official Linksys firmware? or is that not recommended. I know with some products once you upgrade the firmware they do not recommend that you downgrade it later. I just want to know if it is safe to do so.

    Thanks in advance. 8)
  2. dadaniel

    dadaniel Network Guru Member

    I have up/downgraded

    2.02.7 --> Hyperwrt 1.3 --> 2.04.4 --> 2.02.7

    without problems.

    DO NOT forget to reset your router ~30sec before and after the successful update!
  3. frad

    frad Network Guru Member

    Thanks for your reply. By reset do you simply mean unplug the router for 30 seconds before i flash... and then uplug it again after the flash?
  4. dngrtenr

    dngrtenr Network Guru Member

    No, this means to hold down the reset button (with the unit plugged in) for 30 seconds. There seem to be three types of resets supported by the unit:

    1) tap the reset button: reboot
    2) hold reset button for 5 seconds: overwrite flash with default settings
    3) hold reset button for 30 seconds: erase flash, then write default settings

    The difference between 2 and 3 is if you use two different types of firmware (i.e. HyperWRT and Sveasoft) which have two different NVRAM settings for a particular thing, this will clear it out. People have reported better success with this when flashing a different type of firmware.
  5. grem

    grem Network Guru Member

    Just curious....why would one downgrade from 2.04.4 to 2.02.7? I just bought a WRT54G v2.0 and it came with 2.04.4. Is 2.02.7 more stable under load or something?

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