
Originally Posted by
rustycables
What am I supposed to do?
See the ECHOMAP firmware downgrade manual (in German) here:
Code:
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Perhaps it is acceptable for your GPSMAP device too.
Please let us know if this works for you ...
UPD:
Here's another manual for the legacy touchscreen GPSMAP series (see post #31):
Code:
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See also Neil's post #12:
Code:
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Note:
1. Please back up your user data before applying the downgrade.
2. Please remember that anything you try must be entirely at your risk!
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