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[Q] Galaxy S II USB connection to computer not working

23rd April 2014, 03:15 PM |#1  
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When I connect my phone to my computer via USB, the first time it installs drivers and makes a noise. The drivers it installs are "Samsung Mobile Modem Diagnostic Serial Port (WDM) (COM6)", "Samsung Mobile Modem", and "Samsung USB Composite Device."

However, the device does not show up in Windows Explorer, and if I turn USB debugging on, it does not show up as a device I can debug on.

The device is running Android version 4.0.4 with model number SPH-D710.

I have tried installing the Samsung USB Driver for Mobile Phones, but that does not do anything differently when I plug in the phone.

I have tried with both of my cables and it works with neither one.

I have tried dialing *#7284# and changing USB to modem then back to pda and restarting the device, but that makes no difference as well.

The phone used to be a Credo Mobile phone but last year it was flashed to Page Plus. I'm not sure if this could have made the USB connection to the computer stop working as a USB storage device.

The phone shows up in devices and printers as a modem and USB hub.

Any ideas on how I can get it to work with my computer (Windows 7)? I mostly need it to work for USB debugging which is currently impossible.
23rd April 2014, 03:39 PM |#2  
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Wrong forum, belongs here. I've asked mods to move your thread, sit tight until they do.
24th April 2014, 12:41 PM |#3  
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Thumbs up Found solution
I found a solution:

I had to change it to AP mode by dialing ##8778#. It was set to CP mode, probably from when I had it flashed. Yay!

Found it in this thread:

Thanks for helping me find the right forum.
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