Question about T-Mobile MDA

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The part where the mda charges is loose can it be fixed i have some old info on it.

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The part will need to be re soldered in place or replaced all together. I recommend finding a parts unit on ebay and doing a swap out of boards.

Posted on May 04, 2010

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1 Answer

Charging prob


dear squeeze ur MDA pins with small flat screw driver or some type of needles..i hope this will work...

Mar 05, 2009 | T-Mobile MDA

Tip

Excellent tip! I took it a step further... Ordered a new battery, however it...


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.
****WARNING****
DO NOT UNDER ANY CIRCUMSTANCES ALLOW THE RED AND BLACK WIRE TO TOUCH EACH OTHER
****WARNING****

-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,

Peter




on May 05, 2008 | T-Mobile MDA

1 Answer

MDA will not charge


dear there is some problems in the pins of ur MDA...squeeze them with something...then it will work...

Jun 22, 2008 | T-Mobile MDA

1 Answer

MDA will not power up.


another this to try is get a new battery.
mine had the same problem i would try to charge and nothing and it would turn on for about 30 seconds then turn off and i tried putting it on a charger within those 30 seconds but it wouldnt take a charge.
i got a new battery theat had some charge in it and it worked great! alot of the time thats all you need it a new battery

Mar 15, 2008 | T-Mobile MDA

2 Answers

Broken USB Port on T-Mobile MDA


My daughter's MDA had the same problem. I just opened the phone and soldered the legs on the corners back to the board. You have to bend the pins on the back of the plug down to make contact with the board, before you solder. Place plug back down and line it up with contacts. If done right should work as normal. Hope that helps

Jan 16, 2008 | T-Mobile MDA

1 Answer

Phone does not charge battery


Use the factory charger, i had that problem becuz i was using a razr charger, if nothing works call tmobile and tell them u r in warentee and u want to do a hanset exchange

Nov 22, 2007 | T-Mobile Wing™ Smartphone

1 Answer

Blank screen


it seems like the cable from the lcd to the phone mabye loose or you NEED A NEW LCD,,,
i HAVE WINDOWS MOBILE 6 ON THE MDA AND I HAVE A LOT OF PROBLEMS

Nov 01, 2007 | T-Mobile MDA

2 Answers

MDA PRO


i have the same unit helps to reset it on a daily basis

Oct 31, 2007 | T-Mobile MDA Pro Smartphone

1 Answer

MDA phone screen is scrambled with Lines


Marc1234: sounds like the backlight is out......possibly a software malfunction.....try goign to www.t-mobile.com/wmuprade to reinstall the software....if that doesnt work, contact htc or your service provider....you will need a replacement. if youre out of warrenty, it will be a lost cause....

Guest,: your USB port is broken, if you dont fix it yourself, you will need another phone.

Oct 17, 2007 | T-Mobile MDA

7 Answers

My MDA won't turn on even when its on the charger.


THE SCREEN AND LIGHTS HAVE BLOWN YOU NEED NEW PHONE

Apr 11, 2007 | T-Mobile MDA

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