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12-03-2008 12:45 PM
I've had the same problem with my Curve 8320. I've had it for about 4 months, and it's recently started being very fussy about which charger it will work with. At first, it was the car charger (rated at 850mA), then a generic USB charger (rated at 1Amp). Now, even the original Blackberry charger stopped working. The symptoms seemed to be the same as those described above: the black charging icon appears for a couple of seconds, then vanishes.
It all suggested a dodgy connection in the USB port. The Curve USB port seems much more flimsy than the one on my old 8700 so I wondered whether it had changed shape slightly. So I tried something that will probably invalidate my warranty - try the following AT YOUR OWN RISK!!
The Mini-USB port is roughly trapezoid in shape, with a longer side and a shorter one. The actual contacts are seen inside the port as tracks next to a central (flimsy!) plastic plate, adjacent to the LONGER side of the port. What seems to happen is that, over time, the plastic plate starts to bend away from the longer side, causing one or more of the contacts not to make any more. So I took a small flat-blade screwdriver, inserted it between the plastic plate and the SHORTER side and VERY GENTLY eased the plate a bit nearer to the longer side.
BINGO!! It works again!
Definitely best to do this with the phone switched off, in case any shortcircuits occur with the contacts
I can't guarantee it will work, and it's entirely at your own risk, but it's worked for me this evening!
12-05-2008 02:30 AM
12-15-2008 04:41 PM
03-28-2009 11:32 AM
06-23-2009 02:14 PM - edited 06-23-2009 02:14 PM
You're a genius BB4eyes!
Thank you for being the only one to actually write something about the problem, rather than complain that you have the problem, too.
Well, you did state you had the problem, but it was quickly followed with a solution.
08-02-2009 05:13 PM
09-30-2009 08:12 PM
10-13-2009 11:48 AM
I'm seeing many of the same issues others have posted, however, I'm completely certain the USB port on the phone nor a USB cable is my problem.
I can switch from my MAC or PC using any USB cable and have no trouble connecting and charging by 8310. As soon as I use the same USB cable to connect to an AC or DC adapter the charge indicator shows up and then disappears about a second later. It's definitely a voltage/amperage issue in my mind.
This is the second 8310 I've been issued, the first one did not have this issue (It had others) and I had half dozen apps installed on it. On this one I have none and the problem exists so I don't think it's an issue with the apps installed.
Anyone have an idea what the allowable charge range is or researched this area any?
10-13-2009 05:38 PM
If you've had a problem charging your 8310 with the USB since after the first charge, I believe the phone is bad and you need a 3rd phone to finally fix your problem. My WAG at what's going on here is that there was a bad batch of 8310s, and rather than find and recall them all, they're letting us weed them out for them. Here's the scenario - Receive new phone, it's bad. AT&T replaces 1st phone with a second new phone. 2nd new phone arrives, and guess what? It's also bad. Call AT&T and step through all the troubleshooting steps AT&T tech support asks you to do. When that doesn't work, AT&T will send you new "guts" for your blackberry--this time, they'll send you a phone they KNOW will work, and your problem will finally be fixed.
That's my theory, anyway.
In my case and that of at least one other person I know of, the 3rd time was a charm. I bet it will be for you, too.