@Kunix
If you can add this 11kb from 3790 to 34xx FW i will try to flash on converted nuvi 37xx to 34xx and see if work.
My friend have nuvi 37xx converted to 34xx and everytime when he connect phone to nuvi both turn off.
If he have bluetooth enabled on phone nuvi wont turn on but stay on Garmin logo,but when he turn off BT on phone nuvi turn on normaly.
He clear nonvol,hard reset nuvi,try older FW but proplem is still here and he also try with different phone.
p.s.
Nuvi found phone,but then both turn off.When he have original 3790 all work ok.
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