Unlock your Mio C310x!
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In this section I'm going to explain how to "unlock" your Mio C310x. It's not very difficult but if you've got thick fingers it might pose some slight issues, as it's a slippery little bugger when you're trying to hold it, push two buttons and hold them while resetting the unit.

You might ask, "Well, sir, why would I want to unlock my Mio?".. ah, well if you wish to access the features that this unit is capable of offering, yet is not unleashed in the retail package, then you need to gain access to the WindowsCE system, and the file systems within. To modify POI files, to modify SpeedCam files, or to even modify the operational capbilities of this unit you must unlock it first. Here on my site I'm only taking you through areas that are of interest to me, specifically being POI's and SpeedCams, but this little gem of a GPS unit has way more capability that I will not be exploring here. If you wish to find out more, and how to gain access to those capabilities, you can go visit the guys at GpsPasSion Forums, where you can glean all kinds of useful data from them.

RH - 12/31 - I will be adding in a new section for "Tips and Tricks", as subsequent to producing this page I've found alternative methods of accessing the file system in the Mio without having to go through these unlocking steps. I am leaving this section here for users who wish to unlock their Mio's without modifying their base software, but if you want to just skip these steps and go right to programming your Mio, see my Tips & Tricks section.

Remember, all photos are clickable and will expand to a larger size for easier viewing. Also, please read all of my instructions here to familiarize yourself with the process before you begin. A good rehearsal prior to actually committing to these steps will save you headaches later on.





STEP 1
First off, I've mounted the Mio holder onto the windshield mount that came with the unit. This wacky device actually looks to be extremely useful as it's got multiple articulations and adjustments to it allowing a wide range of mounting positions, plus is extendable allowing you to get it off the window glass and closer to you. I've mounted the Mio in it and I'm using it here as it makes a good stand to work from when programming the Mio.


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wacky mounting bracket

Interesting and useful telecsoping mounting bracket

STEP 2
Now that you've got your Mio mounted and adjusted to a comfortable position, turn the unit on and allow it to go through it's normal startup functions. This is the first screen you'll see if you've started your Mio previously. If you haven't previously started your Mio, or have turned off the hard-reset switch on the bottom of the unit, it will ask you to agree to the EULA before beginning the boot to this screen...


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Normal start screen


This is what you'll see during a normal start up
STEP 3
Now your Mio should be at the standard/stock startup screen with the three icons (MP3, MioMap, and Settings). Once your Mio has reached this point, you are ready to begin the "unlocking" of your C310x.


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Normal icons


Standard icons upon boot up
STEP 4
Now that you've got your Mio mounted and adjusted to a comfortable position, with the unit turned on, you will need to hold down both the Menu button and the Vol + button, then hit the soft-reset button underneath. This is a slightly clumbsy affair as holding those two buttons while pushing the reset is quite cumbersome.

RH - 12/31 - Garygid @ GPS PasSion Forums offered a suggestion here that I tested and it does work and makes this slightly easier, that is hit the reset button, then you have about 2 seconds to grab and hold those two buttons.

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Unlocking your Mil C310x


Unlock by holding down Vol+ and Menu bottons, then hit soft reset
STEP 5
This pic shows the two buttons, the middle two, that you need to hold down while performing the soft-reset. If you've got a really wide thumb you may be able to hold them both down at one time. If you don't the unit will just reboot to it's normal startup screen.


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right side of the C310x


The buttons from left to right (which is bottom to top with top button being the On/Off) are Vol-, Vol+, Menu, and On/Off
STEP 6
Now you should be at your first screen enabling you to access the WindowsCE System. On my unit I get a couple of errors that are both unexplained and unimportant (at least from what I gather in doing internet research on them). I click OK to get by this first error.


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CE Boot Screen


First screen seen in WindowsCE, just click on OK
STEP 7
This next one's not really an error, it's just asking if you want to copy Map files. WARNING - make sure you say NO here unless you are intending to overwrite your map files!!!


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Map Loading Question


Say NO here or you will over write your map files!
STEP 8
Now that you've cleared that screen you are ready to to go into Windows Explorer. You will need to tap on the Windows icon in the lower left hand portion of the window. I suggest getting a stylus to use for this unit as it makes it easier when you're entering modifications like this. (NOTE - your screen will NOT display the "Touch here" and arrow!)


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Select the Windows icon


To access the file system, select the Windows icon in the lower left of the screen
STEP 9
From this point, you can select Programs, and Windows Explorer, which will open up the Mio's file system. The first picture is going to Windows Explorer, the second is what Explorer shows you (with Mio default software loaded).


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Entering Windows Explorer
Click on the Programs menu selection to go to Windows Explorer and see your file system. The first picture is going to Windows Explorer, the second is what Explorer shows you (with Mio default software loaded).
Windows CE File System Exposed


Click on the Programs menu selection to go to Windows Explorer and see your file system. The first picture is going to Windows Explorer, the second is what Explorer shows you (with Mio default software loaded).
Now you are unlocked and ready to begin modifications! This all sounds quite lengthy but after the first time you've followed these steps, you're an expert. The other chapters/sections on this site will include the information you'll need to download the software and files from the internet to make your modifications as easy as possible. As I said in the opening paragraphs at the top of the page, there are other resources available to walk you through even more in-depth modifications to your Mio C310x.

A couple of other important pointers I have for you are first to remember that once you've completed your modifications, all you need to do (after exiting all programs and disconnecting your Mio from your PC) is to do a soft-reset of your C310x so that you can go back to the regular mode for Maps and MP3s (a soft-reset being push and release of the small button on the bottom left side of your C310x). Your Mio will stay in WindowsCE mode until you do a soft reset. The other item is, if you're like me, you may not finish all of your mods in one sitting. Well, rather than having to continuously reset your unit, you can simply "Suspend" it. That is one of the selections you will see at the bottom of the screen in STEP 9. That will shut down the unit until the next time you turn it on via the normal On/Off button on the right side of the unit.

Remember to go through all of these steps slowly and carefully, and also that I do not warrant any of this information. It has been accurate for use on my personal Mio C310x, and should work fine on anyone else's, but I will not be held responsible for any damage that you do to your unit either through ignorance or sheer accident. Most of the items I'm going to detail in this site can't harm your unit, so I'm very confident that you too can use these steps successfully.

Lastly, I suggested above that you might consider a Stylus for use on this unit. I've purchased one for about $9 (US) at Staples Office Supplies recently, and find it to be a very useful tool. It's a multi-point pen and stylus, having a Pen, a Pencil, and a Stylus all in one. It's a Paper Mate PhD Multi, if you are interested in that specific model. Heres a picture of that:
Get a good stylus!
Get you a good stylus to aid in programming your C310x


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Last Modified: Tuesday, February 20, 2007 09:15