I have a number of Mini USB cables that weren't seeing much use. I recently purchased an HTC Incredible (Micro USB) and found myself needing extra charging cables so I wouldn't have to constantly unplug/plug and carry around cables to work/home/elsewhere. These adapters allowed me to use the Mini USB cables I already had. I leave one at work, one by my desktop, one near the couch where my netbook sits, and one in my car. The added bonus of using the adapter is I can take it off and connect the Mini to a device that requires a Mini (my MP3 player and digital camera). StarTech Micro USB to Mini USB 2.0 Adapter M/F (UUSBMUSBMF)
This is not a true USB adapter since there are no wires connecting the data pins. The result is that you can use it to charge but it will not work for data transfer.
I tried it on an LG and a Nokia phone. The charge function worked on both. The data function worked on neither. I then snapped open the case of the adapter and, lo and behold, inside were just two wires connecting the voltage pins from one side to the other. The data pins had no wires at all.
The data function has worked worked for some people, so it appears not everyone is receiving the same item.
If you need a true USB adapter, look elsewhere as you don't know what you'll end up getting.
If all you need is a charging adapter, you may also want to look elsewhere as this one is cheaply made and doesn't look like it will last very long.
I received 2 of these adapters on March 16, 2011. I checked both of them and confirmed that they were for charging only. I opened them up to look at the wiring and only power and ground wires were there. The micro USB plug does not have the data pins sticking out to even soldering data wires.
The older reviews that stated the adapters worked for data transfer must had been different adapters. The product description of "Micro USB To Mini USB 2.0 M/f Adapter" is misleading for not disclosing the details.
Do NOT buy this adapter if you plan to use for data transfer.
Don't buy this if you're looking for an adapter for a data cable. This one works great, but only for charging. Motorola makes a charger and data adapter you can get from Amazon for $3.00 if that's what you're looking for.
I got this product because I have a lot of mini USB chargers that predate my new phone. It is a simple product but badly executed. The micro usb/male end is an extremely tight fit to my phone and with repeated use I notice that other cables no longer make good contact with the phone when charging or tranferring data. The tight-fitting adapter effectively expands your phone's micro usb port making charging with better fitting cables impossible. Not recommended.
My Blackberry curve mini USB connector broke inside the unit. I have tons of accessories for the curve (e.g. chargers, tether cables). I replaced the curve with a bold that uses a micro USB connector. I purchased 10 of these adapters and now can convert mini USB to micro USB. It saved me a considerable expense. These adapters have worked flawlessly.
I bought 5 of these adapters, since they were so cheap. Unfortunately on 1 of 5 (20% of my total purchase) worked. I was planning on leaving some at work, car, office, latptop bag, etc. so that I could just use one cord for USB Hard drive storage and for phone charging, wherever I'm at. They are cheaply made, and the single one that DID actually work, I had to superglue together, since they're just snapped together with cheap plastic; it kept coming apart whenever there was even the smallest bit of pressure on either end. Stay away from these.
I bought this knowing that it JUST works CHARGING a product from a USB charger. It does this job fine and I am very happy with the performance. It allowed me to use several AC (Wall-wart) chargers and Automotive 12v to 5v USB cables with newer USB products. I bought many of these so I would have spares as necessary. The product may not be reliable in the long run, which is why I bought extra. - Adapter - Micro Usb - Blackberry - Mini To Micro Usb Adapter'
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