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willingzhubaby

willingzhubaby
Posts: 4
Joined: Tue Oct 18, 2022 5:48 am

Drivesmart65 flash the fireware?

Thu Sep 07, 2023 7:57 am

i have the B306500.update file(old file sw 119)

my garmin upgrade the fireware sw10.20

i want to downgrade the fireware?

how can i do?

how to open the pre-boot ?

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