[Q] samsung S2 no more recognised as usb storage

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Hi all,

Recently after flashing my S2 with aokp rom , i have no more acces to my phone as usb storage, it charges only and moreover i can no more have access to odin (it shows driver not found). I tried differenent solution like :

1- change cable (th same cable is ok for samsung mini)
2- hard reset
3-reinstalling drivers with kies and samsung drivers
4- going to drivers et uninstalling them (the pc dont show nothing at all like my phone its not plugged)

Somtimes it worked like 2 on 10 attempts but after 2 days no more

Also i noticed somthing in download mode it shows that i cant recognise the device, a bootloader problem maybe(correct me if i am wrong)

Thanks if you have already a problem like that , i googlied the problem but no one have a solution hhhhh

rethanks all

Try to check the advance settings in settings>storage

Sent from my GT-I9100 using XDA

Download mode should work regardless off your rom type.
Try different USB port, or try different computer

U really should try to clean the Micro USB port in first place, i read a lot of cases that phone was not recognized or it just didnt appear to connect to computer just because the port was oxyded... after cleaning (maybe with a very little screw and cotton) try to connect, if it dont, try on another computer, if it still happens its a problem on ur phone, then u will need to flash something, but lets wait till u test all this first ! keep us informed !

Dont forget to try to borrow a usb cable from a friend ! Doenst matter if urs works on another phone...

Hi thanks , for testing another computer i have three at home , same problem.

For cleaning usb port , it is not dangerous?? do you know is there a clean way to do it.

PS: i ll try tonight cleaning it a little

Unfortunately i have the EXACT same problem.. tried everything "changing storage, re installing drivers, cleaning the usb port, trying different pcs and cables". Nothing works :S .. it also works at random times and then stops. Really annoying.

Well i clenaed the usb port with a needle and cotton but no detection, but i noticed that if my phone is off he is detected as unkown device

@HiNd0rZ: did you noticed the same thing


Well maybe it's not a hardware problem, i found that bootloader is related to driver usb detection, a bootloader problem maybe (correct me if i am wrong ) hhh

I have the exact same problem, the only difference is my sgs is still not rooted or flashed,

the last thing I did is update from gb to ics

what I has tried is hard reset, clean the usb port and try with another pc (2 notebook, 1 pc) and with 3 different cable

still not recognized....

No it's starting to bother me , after i full charge it acts like it charges but it's not plugged i think my usb port is caput , i'll try to take it to someone no guaratantee to send it back

Well finally i changed the usb flex cable and it worked but be carefull at testing the phone when you send it to repair the usb flex cable have also the micro so ba aware at testing the phone


Thanks for all and good luck for others