Greetings Arvin,
Unfortunately, our tools do require that you connect your portable to a computer in order to perform database updates.
Please let us know if you have any further questions!
Regards,
Brian
__________________
Garmin G3X Support
g3xpert@garmin.com
1-866-854-8433 - 7 to 7 Central Time M to F
Please email us for support instead of using Private Messaging due to the limitations of the latter.
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