I am IDIOT i know now why work on my nuvi and stuck on black screen
I compare 3590 and 3597 FW, but when i save FW to rgn i save 3590 FW to UAT005 (3597 fw) and this is reason why on my nuvi work but on other is error.
I play today on my friend nuvi and i have the same error like @isg becouse i download from my post here, then i use rgn from my pc and work but stuck on black screen.
Then i open rgn with rgn tool and see my mistake![]()
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