Lock ups after firmware up/downgrade

If your router has started "locking up" or "freezing" since you re-flashed its firmware, then you will probably find that it is in fact crashing out to the ATMOS DEBUG prompt if you check the console output. The usual "fix" in these circumstances is to:

1. flash the firmware again;
2. from the console/telnet command line interface, type the following commands:

   > config default
   > config save
   > flashfs update
   > restart

3. reconfigure to taste :)

This should fix almost any version of firmware that starts randomly dropping to the DEBUG prompt.

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