N8000 - Charging problem topic

I bought an usb cable (not samsung) for my Galaxy Note 10.1 GT-N8000, it charges very slowly (im using the cable with an usb adapter).. on the tablet i have that icon. On the battery options says "not charging".. same thing if i use the cable on the pc..

The problem is the cable or the tablet? I dont have the original cable.. (sorry for my english) please help me. Thanks.

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[Q] What makes a N8000 a N8000? topic

I'm one of many unfortunates who managed to flash the locked N8000 bootloader onto my N8013. I'm far out of warranty and have no interest in Kies, so the only real problem I'm experiencing with N8000 ROMs is some apparent battery drain when the tab is uselessly searching for a cell signal.

So, what I'd like to do is identify the components in a N8000 ROM that make it think it can have a cellular connection and remove them. I'm on the ragged edge of my technical skill and not sure if such a thing is possible, but it might be worth at go since there appears to be no way to get back to my 8013 bootloader.

Is this a realistic idea, and if so, what do I need to pull out of a N8000 ROM to disable the cell part?