It was enough to do a search! Here it is:
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Good day
is it possible to patch an ETREX 20X
SOFTWARE VERSION 3.00
Best regards
JML
hi guys
is it possible to made the patch for GPSMAP 66s ? please
<PartNumber>006-B3028-00</PartNumber>
<SoftwareVersion>760</SoftwareVersion>
<Description>GPSMAP 66S</Description>
<PCB>GPS Map 66s V8 </PCB>
Patched
Attachment 3149
Original
Attachment 3150
Hi.Would anyone have to offer patched software echoMAP 70s v6.80 ?
Still the same answer, only for echoMap Plus & UHD
Make sure your device is fully charged.
Unpack contents to fresh SD card formatted FAT32
Ensure your device is fully OFF (not in standby), insert the card in device and power on.
"Loader" will appear on screen for a while then the device will boot up when the flash of patched firmware is complete.
Your device may reboot its self during the process just be patient.
Your SD card will have a new file named 154.bin this is a backup of the device's non-volatile memory region and may save your device later if needed, so keep a copy of it somewhere safe.
Check your PM