All i can say is if your device cannot read from/write to the internal memory using SD, that it's imperative you reflow the USB solder so as to regain Mass Storage Mode access and hope it's successful.
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All i can say is if your device cannot read from/write to the internal memory using SD, that it's imperative you reflow the USB solder so as to regain Mass Storage Mode access and hope it's successful.
Forget to update the post. Finally got it working without any physical repair a year ago.
Not exactly remember the details, but GarminCure3+GarminExpress did the trick basically.
problem: internal drive can't mass storage and can access by LDR.bin in /update/
1. download official 8.3 firmware for Nuvi 24x5
nuvi24x5and25x5_GCDFile__830.gcd
2. download GarminCure3
3. follow "How to unbrick a nüvi.pdf" for how to use GarminCure3
a. makefirmware cure, call update in command line with generated rgn, remember to hold left corner until update complete
4. device can't start, turn off unplug, and open GarminExpress and plug in, and update
5. backup internal storage
6. makefirmware origin