If your phone doesnt show anything when you connect an external usb disk then you need to reconfigure the USB Adapter’s pin outlet.
1 VCC Red +5 V
2 D− White Data −
3 D+ Green Data +
4 ID none Mode Identification
5 GND Black Ground
+5V and GND connected directly to the battery of the LapDock, TX+RX connected to the integrated USB HUB.
+5V and GND connected directly to external power (5V AC), TX+RX connected to the integrated USB HUB.
Oh, in BOTH, for enabling the Host Mode, pins 4 and 5 are shortcircuited, exactly as the USB OTG specifications.
A recently released report by business analytics firm says that Apple iPhone 3GS and iPhone 4 topped the list of top acquired phones in United States and EU5. For both the regions, Apple iPhone 3GS and iPhone 4 ranked 1st and 2nd respectively.
In United States, BlackBerry Curve 8530 ranked 3rd top acquired phone followed by LG – Cosmos and Motorola – Droid respectively.
In EU5, Nokia devices, Nokia – 5800 XpressMusic and Nokia – 5230 stood 3rd and 4th in the list of top acquired phones followed by BlackBerry Curve 8520.
The report reveals the growing popularity of smartphones as in the U.S., 4 of the top 5 acquired devices were smartphones, while 3 of the top 5 in Europe are smartphones.