Question about T-Mobile MDA

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My battery on the tmobile MDA is not charging completely dead and will not take charge

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  • polasi Jan 22, 2009

    my t-mobile battery is complety dead.plz tell me any knw the cost of t mobile battery in india.and tell me address.

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You might have killed the charger 4rom charging 2 much it can only charge soooo much

Posted on Jan 18, 2009

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My phone battery got completely dead,when i charged it i put it on and saw the welcome g1 tmobile and android after which it stays blank.so i dont know whats going on?please i need help


The battery needs to be revived when it is completely drained or when it is dead because the phone will not be able to charge it. For instructions on how to revive battery, check it here.

Apr 06, 2010 | HTC G1 Smartphone

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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.
****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 Jan 08, 2008 | T-Mobile MDA

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

2 Answers

No power


Make sure you have an original OEM charger for the MDA. Many of the knock off chargers don't provide the right amperage for the device. What happens is that since the phone is completely dead, it can't regulate how many amps the battery should get during the charge and an incorrect charge current won't charge the battery. I'm guessing that someone sold you a Motorola RAZR charger or another knockoff made for the RAZR. This might charge your phone when the battery is working, but not when it's DEAD. Also you won't have luck plugging it into a computer USB cable because, again, the phone can't tell the computer what charge to send and most computers only produce <0.5 amps in the USB port.

Get a charger that states it is an OEM (original eqipment manufacturer) device or one that is specifically designed for the MDA (or Cingular 8125). eBay is full of them.

Bad charger (probably won't work for a dead battery)

Good Charger (correct amperage and designated for the MDA)

Jul 08, 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

Tmobile mda


Try charging it with the AC adapter it came with.

If that doesn't work try charging it via your computer using a USB cord

Jan 03, 2008 | T-Mobile MDA

6 Answers

Battery won t charge or operate phone Problem - T-Mobile MDA Compact Smartphone


Okay, I searched and searched until I found a solution that worked for me. I tried the USB thing, I got my phone to turn on once, but never to charge. Here's what I did:

(Do this at your own risk)
I zapped my battery with a 9v battery. One wire on each terminal and then held it to the MDA battery (positive to positive, negative to negative) for about three seconds. I did this about five times. (Don't let the wires touch while they are connected to the 9v battery.) I IMMEDIATELY plugged my phone into a wall charger, NOT my computer (The computer wouldn't charge my phone). As soon as it was connected to the wall charger, I turned it on. After starting up, the orange light came on, and it started charging. I was skeptical about this solution at first, but trying everything else I resolved to do this and then if it didn't work buy a new battery, but it worked and my MDA is charging as I'm typing. The original ideal came from a post on the xda-developers website by dew1989. I added the additional steps that got my battery charging again. I hope this helps!

Dec 04, 2007 | T-Mobile MDA Compact Smartphone

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

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

1 Answer

MDA problems


Your battery is very very low. The red light is indicating an almost dead battery. In fact, you may have a battery that is too low to charge. Or you may have dead cells in the battery that require you to purchase a replacement. Try my guide to manual battery charging. I have it listed in all of the HTC Wizard (which is actually what type of phone you own) sections. http://www.fixya.com/support/r211784-phone_charge_all_no_lights_fix_here

Oct 04, 2007 | T-Mobile MDA

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