Son's was doing the same thing. Read on another site that this means the USB is making a connection somehow, usually from getting a little moisture in there where the USB (or battery charger) plugs in. Wrapped a tissue around a toothpick and wiped it out good. Phone is now ok.
a 6ya expert can help you resolve that issue over the phone in a minute or two.
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1. Please make sure your USB cable is working fine. better to connect your phone using another USB cable.
2. Change the phone's battery, or make sure its more than 80% charged and in good condition.
3. Try to connect with different USB Port on your PC.
Hope your problem will be solved.
Digital cables are very much unlike analog cables. With analog you will get partial signals like channels with fuzz with deteriorated images. Digital cables, like the one you use with your portable HDD carry signals that work very much like binary code, either OFF/ON. (1/0) The fact that you are experiencing quick connection and disconnections could easily be a faulty usb cable OR a faulty port on EITHER your computer OR the HDD itself. Try to borrow a similar cable to test that it is not the devices ports (your computer OR the HDD) before purchasing a cable. If the devices ports are not functioning properly you will have to RMA or use your warranty. Hope this helped!
Follow the below mentioned steps :
Connect the Samsung cell phone and computer. If you are connecting via USB, connect one end of the USB cable to your Samsung phone and the other end to your computer. It may take a few seconds for the proper drivers for the Samsung phone to install. If pairing via Bluetooth, make sure Bluetooth is enabled on your Samsung phone and start a search for devices on your Bluetooth-enabled computer by right-clicking the Bluetooth icon in your taskbar.
Launch Internet Sharing, found in the Start menu on your Samsung cell phone. Open the application.
Configure Internet Sharing. The status menu should read "Disconnected." Under the PC Connection setting, select the method you will use to connect your cell phone to the computer--USB and Bluetooth PAN are the choices. You shouldn't need to change anything under Network Connection, unless a network other than is showing on the display.
Start the Internet Sharing connection. On your Samsung device, press the Connect soft key. It may take up to 30 seconds for the connection to be negotiated, during which the status line may say "Check USB cable connection"; this is normal.
Connect the computer to the Internet sharing phone. If your computer and phone are paired via USB, no further pairing is needed. You will see the shared Internet connection as a wired connection in your Network and Sharing control panel on the computer. If you are connected to the Internet Sharing application via a Bluetooth personal area network, the computer must be synced to the phone. Right-click on the Bluetooth icon in the taskbar and select "Connect to a PAN" or similar, based on the version of Windows you are using. A list of all Bluetooth PAN connections within range is shown; select your Samsung phone. The PAN connection will be negotiated, and the Internet connection will be shared.
This unit is able to take I Pod and I Phone. If unable to connect your particular phone/device via bluetooth please note the following?
• Make sure all important data has been backed
• You cannot connect a computer or portable
HDD to the USB input terminal of the unit.
• Avoid using the USB device if it might hinder
your safety driving.
• Electrostatic shock at connecting a USB device
may cause abnormal playback of the device.
In this case, disconnect the USB device then
reset this unit and the USB device.
• Do not leave a USB device in the car, expose
to direct sunlight, or high temperature to
avoid deformation or cause damages to the
• This unit may not play back files in a USB
device properly when using a USB extension
• USB devices equipped with special functions
such as data security functions cannot be
used with the unit.
• When connecting a USB cable, use the USB
• Do not use a USB device with 2 or more
• Depending on the shape of the USB devices
and connection ports, some USB devices may
not be attached properly or the connection
might be loose.
• This unit cannot recognize a USB device
whose rating is other than 5 V and exceeds
• Do not pull out and attach the USB device
repeatedly while "READING" is shown on the
• This unit may not recognize a memory card
inserted into the USB card reader.
• Connect only one USB device to the unit at a
time. Do not use a USB hub.
• Operation and power supply may not work as
intended for some USB devices.
• The maximum number of characters for:
- Folder names : 63 characters
- File names : 63 characters
- MP3 Tag : 60 characters
- WMA Tag : 60 characters
• This unit can recognize a total of 65 025 files,
255 folders (255 files per folder including
folder without unsupported files), and of
Good luck with it.
Can i know whether ur phone is in warranty period or not. If its in warranty period, you can always claim for warranty cover from Nokia and get a brand new mobile for you. Because while updating itself, the warning message will get flashed like connection should not get disconnected and all. Once it gets disconnected, your phone will be dead and you cannot use it anymore without servicing it. It will cost you around 500INR if its not under warranty
I fixed my problem of my HTC touch not Syncing with my phone thru the USB cable.
Start, Settings, System, Power, Advanced and select/enable the option that says "When device is turned on, do not charge the battery when connected to the PC."
If it still does not work at first then disconnect the USB from your PC/device, wait a few seconds and then plug it back in.
You'll suddenly see your phone and your PC syncing.