How to make a service (cure) firmware for your Garmin unit

**esfranky** · 17th June 2011, 07:16 PM

Sorry do not understand this

Find and Replace everywhere in the. Rgn (boot + fw_main)
00 2F 30 00 3A 00 00 3A 00 to 2F
00 2F 31 00 3A 00 00 3A 00 to 2F
30 3A 2F 2F 3A to 00
3A 31 00 3A 2F 2F to

The firm is this [Only registered and activated users can see links. ]
My RGN... I Think it´s Ok [Only registered and activated users can see links. ]
Teach me how to do

**ddabcd277** · 17th June 2011, 11:22 PM

@ esfranky

Downloaded for example Notepad++ (also download Hex Editor Plugin) and open the file 82701000720.rgn. Change Notepad to Hex and after that use "CTRL + F" to activate the search function. Then find and replace everywhere the strings I wrote in post 2. This one "30 00 3A 00 2F" to this one "00 00 3A 00 2F" etc....Then save and that is all.

**esfranky** · 19th June 2011, 01:48 PM

Not found

**ddabcd277** · 20th June 2011, 08:06 PM

Try Notepad++ plus HexPlugin

Code:

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Code:

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[Only registered and activated users can see links. ]

**esfranky** · 21st June 2011, 06:42 PM

Now if I have succeeded, had installed the plugin Notepad but could not install it.

first use the other program ...

**esfranky** · 25th June 2011, 07:12 AM

They are doing a cure at a Nuvi 255w and can not enter in pre-boot mode

The problem if I take the Target esque keeps restarting even if you have the button depressed, to stop it I have to put the memory SD with the SD set starts well, but even if you have not stepped on the button goes blank if not that follows its normal boot process and not recognized by the pc
software version 7.20
id. xxxxxx255 / audio version Missing / gps sw version. 4.10b
american language only has the English, has no voice or traffic or radar 20011.32 only maps but only if I put the target

any ideas?

**ddabcd277** · 25th June 2011, 07:53 AM

@ esfranky

First please answer this questions:

1. What did you do last to the nuvi to reach that condition? This is really very important. Did you format your nuvi for example in NTFS? Did you copy maps, POI etc in its memori.? Did you update its firmware? Be specific please. (Hope I understand your comment correct - nuvi reboots when turned on and not possible to be connected to PC. But when an SD card is pulled in it boots normal but still not possible to be connected to PC. Am I correct?)

2. Which firmware is using your nuvi? Which HwId? 1091 or 827?

3. What steps did you try to recover your nuvi?

I have an idea but please first answer this questions.

**esfranky** · 25th June 2011, 10:27 AM

Hello, first, the Nuvi is not mine, I helped through my blog ([Only registered and activated users can see links. ]) in Spanish

I'll give user feedback

hi everyone I am new to these conflicts, I was told that the gps as a computer, and as I did not carry me back up and format, does not start lights and try to load the maps and I get (
Detailed maps not found and many more things you can do something to revive thank everyone in advance

not recognized by the PC, turn on and off attempts to load, so continuously, if I can turn it off I put the Target
I got to the Target that works well, but comes in English and has no voice or leave the radar
The program is fast IMG Unlocker 2.0, placed in a folder and a gampsupp.img garmin. loads only and the time is loaded
can be made lake, they told me to let it drain the battery and turn
thank you very much coseguimos aver if that works, there are several with the same problem

Europe is working for me NT CN 2011.32, is it about Target,
esque rare but not detected pc.si remove the Target is set to restart and unfinished turns off and reboots, so continually drain the battery pole.
if you find a way to get data on the target and but I tried to format the data target and stick with the installed MapaSource but put in the Target does not recognize and does not work, it only works with the program Unlocker IMG Fas 2.1 and the I said 2011.G32 files
are 6 files in WinRAR to decompress that generate gmapsupp.img
installs it automatically

**ddabcd277** · 25th June 2011, 02:21 PM

Now I understand. So this i s why you wanted to know how to make cure on the 82701000720 firmware. Very nice

Ok, will leave it to you to make the "cure".

1. After you install notepad++ download and extract this file into the folder Notepad++\plugin:

[Only registered and activated users can see links. ]

and you will have a very good Hex Editor for free in your Notepad++.

2. If you still can't manage suggest this ones.
[Only registered and activated users can see links. ]

First suggest the PO to try the 500 cure version.

3. Sorry, but I still couldn't understand was the nuvi formatted?