USB connection doesn't work

rogershroed1991

Senior Member
Sep 25, 2008
478
2
0
Settings > Wireless and Networks > USB utilities > "Connect storage to PC" button > plug in USB cable

This used to work perfectly up until today, now it just doesn't work anymore and the "Connect USB cable to use mass storage" popup keeps showing even after I plug it in. I've tried on multiple computers and I tried restarting my phone, but nothing works.
 

MotoMudder77

Senior Member
Feb 8, 2010
1,961
346
0
Kapowsin, WA
Settings > Wireless and Networks > USB utilities > "Connect storage to PC" button > plug in USB cable

This used to work perfectly up until today, now it just doesn't work anymore and the "Connect USB cable to use mass storage" popup keeps showing even after I plug it in. I've tried on multiple computers and I tried restarting my phone, but nothing works.
Thats one wierd proccess for getting USB storage man. most would just plug it in and pull the notification bar down to click the mass storage mode icon thing.

but if your not getting a connection, USB port could be toast.
Simple search would've showed that.
 

rogershroed1991

Senior Member
Sep 25, 2008
478
2
0
Thats one wierd proccess for getting USB storage man. most would just plug it in and pull the notification bar down to click the mass storage mode icon thing.

but if your not getting a connection, USB port could be toast.
Simple search would've showed that.
Oh wow you're right, I just plugged in the charger and it doesn't charge. So phone is useless, throw it away?

It's strange that it worked fine up until today and then suddenly decided to break, even though the phone has just been sitting on my desk in my room. And it's only a few months old.
 

dandrumheller

Senior Member
Jul 10, 2010
3,625
1,137
253
Southern Maine / Seacoast NH
Oh wow you're right, I just plugged in the charger and it doesn't charge. So phone is useless, throw it away?

It's strange that it worked fine up until today and then suddenly decided to break, even though the phone has just been sitting on my desk in my room. And it's only a few months old.
If you really have a fried USB port, send the phone back for a warranty replacement. If you don't have stock firmware on it, there are guides to return to stock - haven't specifically checked, but I believe it's possible to do this entirely without plugging in if you are already rooted.
 

rogershroed1991

Senior Member
Sep 25, 2008
478
2
0
If you really have a fried USB port, send the phone back for a warranty replacement. If you don't have stock firmware on it, there are guides to return to stock - haven't specifically checked, but I believe it's possible to do this entirely without plugging in if you are already rooted.
I bought the phone on ebay though, would it still have warranty?
 

rogershroed1991

Senior Member
Sep 25, 2008
478
2
0
Is there a part I can buy to replace it myself? It's definitely a problem with just the USB port, because if I fiddle with the charger it starts charging if I hold it at a funny angle.
 

creepyncrawly

Senior Member
Sep 3, 2010
2,770
3,276
0
Some people have had success cleaning the usb port with alcohol. That might help but not if a wire or solder joint is broken. If you do try alcohol, don't use regular rubbing alcohol (70%), too much water (30%), get the better (90%) or even better (99%).
 

cajunaggie87

Senior Member
Apr 21, 2011
98
25
0
Pohang, South Korea
If you don't feel like fixing it yourself, you can settle for finding a battery charging dock and get an extra battery. Also, if you need to place files on your phone, use dropbox, Kies wirelessly, or take out your SD card and use an adapter.
 

ian619420

Senior Member
Jul 5, 2012
445
11
0
im on stock 4.0.3 ics stock rooted and i can't find mass usb storage mode when i plug usb to phone to computer i just get options mtp which i do not use as it always says wpd error etc and camera. were is the mass usb storage option? ps if i click on "more" in wireless network settings phone freezes up and i have to take out battery.
 

creepyncrawly

Senior Member
Sep 3, 2010
2,770
3,276
0
im on stock 4.0.3 ics stock rooted and i can't find mass usb storage mode when i plug usb to phone to computer i just get options mtp which i do not use as it always says wpd error etc and camera. were is the mass usb storage option? ps if i click on "more" in wireless network settings phone freezes up and i have to take out battery.
In Android 4.0x systems (Ice Cream Sandwich) and above, Google introduced a new file transfer protocol called Media Transfer Protocol (MTP), which may be set by default. The problem with MTP is that, while Windows explorer can see it, there is no drive letter assigned, so programs like Pimlical can not see the phone's sdcard. The Android operating system still has the capability of USB Mass Storage protocol, which does assign drive letters, as has been the norm in all previous operating systems. It may be possible to set the phone to USB Mass Storage through phone settings. If it is not possible to set the phone to USB Mass Storage through phone settings, then it is possible to force USB Mass Storage.

This behavior is governed by the system property /data/property/persist.sys.usb.config. This is a text file containing a single string. The settings are "mass_storage,adb" or "mtp,adb". Since this is a system file, it is necessary for the phone to be rooted, and then this file can be edited using a root file explorer. Change the text in the file to mass_storage,adb (without spaces), save the file, and reboot the phone.
 
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