Question about T-Mobile MDA

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MDA 3 dead

I tried to update the software for my mda 3 (BA_TMUK_14200_112_11300_Ship) but in the end of the update i got the message that the connection between my pc and mda was broken.
After that my mda doesn't work anymore. I only see the following msg
serial v 2.05 or usb v2.05)
What can i do?

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Re: MDA 3 dead

If a device fails during a rom upgrade its as good as dead because it doesn't have enough instruction to start the process over.

Posted on Mar 05, 2008

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Hi, I would like some help reg, the T-Mobile MDA charging. I got 2 batteries, 1...

Your battery has been depleted past a chargable state.  This is a due to a bad design in the phone that doesn't monitor the battery power state well enough.  It actually allows the battery to be taken under the minimum amount needed to recharge the battery. 

You can fix this, but do so at your own risk.

You can simply purchase a new battery, that will work, just been sure not to let it deplete the battery totally anymore.

Now, on to the fix

-Take out the battery.
-Get any usb cable you can find sitting around. (any usb wire will do, an old printer cable, anything with a usb end that can plug into your computer)
-cut one end of the plug off. You need to leave the side on that connects to your computer. Cut off the side that plugs into a device (printer, camera, web cam, etc)
-Strip the rubber off the wire and expose the wires inside.
-Separate the wires from each other. You will only be using the BLACK and RED wires.
-strip the very end of the black and red wires carefully using a wire cutter exposing the metal wire inside the red and black covering.
-Plug in your home made battery charger to your computer. Careful not to touch any exposed metal, as it will give you a small shock.

-now carefully hold the black wire to the negative terminal on the battery (it should be noted with a black circle with a - in the middle). Then touch the red wire to the positive terminal (it will be noted with a red circle with a + in the middle).

Hold the 2 wires there for 20 seconds. Then quickly plug the battery back into the phone, and then plug it into a regular charger. Give it little bit of time, if you've done everything correctly the charge light should come on.

I had to repeat the last step again to get the light to turn on indicating it was charging.

You must not hold the wires to the battery for too long, 20 seconds should do it. You can overload a battery with this trick and actually make it explode if you hold it there too long. You are well within the few minutes needed to detonate the battery due to overcharging by sticking very strictly to 20 seconds.

Just be careful and you'll be fine.

One you get a charge light give it a few minutes in the off position, then try powering up the device and keep it plugged in until you get 100% charge.

Good luck,


on Jan 08, 2008 | T-Mobile MDA

1 Answer

Smashed my screen on my mda vario got a new phone now want to active sync in but cant remember my pssword is there a work around?

Yes, you need to perform a hard reset.

To perform a hard reset

1. Press and hold the Comm Manager button and Voice Command
button on the device. At the same time, use the stylus to lightly
press the RESET button.

T-Mobile MDA Vario hard reset soft reset hardreset softreset
2. Keep the Comm Manager button and Voice Command button
pressed, and the following message will appear on the screen:

T-Mobile MDA Vario hard reset soft reset hardreset softreset

3. Release the two buttons, and press the Send button to perform a
hard reset



Feb 05, 2011 | T-Mobile MDA Vario Smartphone

1 Answer


Mar 14, 2010 | T-Mobile MDA II

1 Answer

MDA Not turning on anymore

u r phone is dead so plz admit into a service center to repair

Jul 25, 2009 | T-Mobile MDA Compact Smartphone

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use a software "pimbackup"its a superb backup software i have ever use with my MDA...but a little bit slow...but works 100%...

Mar 05, 2009 | T-Mobile MDA

1 Answer

MDA is dead slow

u have to take backup of ur all data and reinstall ur OS...from "clear storage" option in ur setting...this is the only solution...use Pimbackup for backup of ur data

Mar 05, 2009 | T-Mobile MDA

1 Answer


this is a sw boot up screen. this is what the screen will look like with no sw on the device, so you guessed it....the download was unsuccessful and corrupted the firmware.....if you tried to reinstall the sw again, and it does not work, you might need a new t-mobile to do that.....OR, you can try to do a master reset by pressing the sw keys.

to do that, turn off the phone, and press and hold the soft keys (buttons located beneath the touch screen that have the lines on them on top of the green call button and the red end call button).....while holding these down, press the power button for 3 seconds and release the power button.....all this time you are holding those soft keys down....the phone SHOULD turn on and go to a black screen with white this time you can relase the two the green button and reset. if this does not friend, you need another one......good luck!

Dec 16, 2007 | T-Mobile MDA

2 Answers

T-Moblie MDA Dead

I did the same thing, Blue Bay Electronics had a seven day warranty just long enough to fool me into giving a good report. Anyway look for a repair center and spend another 100.00. Good luck

Oct 07, 2007 | T-Mobile MDA

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T Mobile MDA Speaker control

Update teh firmware from tmobiles website. Download the latest firmware and upload it to your mda... Should fix it.

Aug 01, 2007 | T-Mobile MDA

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