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No, it should be exactly 436,184 Bytes (~426KB). I guess something must have gone wrong with the ZIP compression. I've re-made the file and removed the faulty one from Mega. Try this kit, I've double-checked it: [Only registered and activated users can see links. ]
As you've re-flowed the USB connections etc., it seems very likely you have a failed component on the PCB. Maybe you're into tracing such a fault and micro-soldering, it's certainly not worth paying someone to do any electronic repair on it. There's also the chance a damaged USB port can seem ok visually but that's rare, if you want to be bothered you could try replacing it.
PS: I forgot to mention that the SD flash should make a copy of the device's non-vol region (rgn41) into the card's root as "41.bin". Keep a copy of it. It will also remove a gupdate.gcd fw file from the device's .System folder if it exists there. That way you can do any future fw updates via a GCD in a Garmin folder on card, although it's unlikely Garmin will issue any more for nuvi 40_50 series now.
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3rd January 2025, 11:20 PM #1Garmin/GPS Systems GMod.
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4th January 2025, 11:39 AM #2Member
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2nd attempt to use sd kit
Neil, I tried the new flask kit you made and this worked perfectly and installed as you said. It however as you also said that probably wont fix my issue, and you were right. Still wont connect anywhere or appear in device manager. So plan B Please if possible ?
Can a sd kit with appropriate commands extract the device xml so that I can run the nuvi from the sd card. Also if I can do this and make a poi folder on the card with gpi cyclops speed cameras, will this work instead of reading the older speed camera poi files that will still be left in the unit itself. since there is no way of accessing them to delete. And finnaly can I also do voices folder etc. on the card. I know that maps can run from an sd card but wasnt sure if other things would too.
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