Related
as title states.
It doesn't seem to be the samsung drivers
as I have uninstalled and reinstalled.
but the Android drivers. I have no Android drivers installed anymore
(the 3 of 4 that installs)
therefore i lose adb connectivity
*This has happened on 2 different Windows 7 installations. (switching between 2 different hdds, on this laptop)
I have usb debug on ofcourse.
I have uninstalled reinstalled latest samsung drivers.
I have installed pdanet drivers.
I have turned off phone, while connected then boot up. still no fix.
I am using acs froyo dk17. But this happened with dk05 as well.
Is there a fix for this?
I've had this problem twice. The way I fixed it was to wipe the sd card. Its a pain but that's what fixed it
Sent from my SPH-D700 using XDA App
If not a driver problem (doesn't sound like it is) the next *usual* suspect would be the usb cable. The samsung cable that shipped with these phones is crap. I got a 6' belkin one on amazon for $8 that has worked flawlessly.
Make sure you're not using a USB port that's on a hub or daughtercard. It should be one that's directly on the motherboard.
I kept fiddling with settings and rebooting both phone and computer and got past this once on my old win7 box. On my new one, I got nowhere after an hour or so. Worked first thing with the same cable on my win xp machine.
Plug your phone into a USB1 only hub, or on the same channel as a usb 1 keyboard or mouse and it will detect just fine... it won't really be useful because it won't be able to flash still (I believe it should detect as a composite device with several facets and only some of those are usb1-only compatible). I believe that the underlying problem is a bad implementation of the usb spec on one of the usb2 only parts, but I didn't feel like digging any deeper. I might try a win xp vm on the same physical hw to see if I can narrow it down to a win7 usb2 + device usb2 compatibility issue. Might be worth making sure our win7 patches are up to date, too.
Sent from my SPH-D700 using XDA App
Thanks for the replies guys.
The usb trick won't work because it's a laptop. And I tried all four of them. I only have windows 7 machines. One being a ultra sff and has like 12 usb ports. It hasn't failed me yet, but happens on the laptop.
It wouldn't hurt to get another cable, a longer one. And my sd is maxed out, I will pull it instead of format.
Thanks all
Sent from my SPH-D700 using Tapatalk
I had this problem. Plugged into the back instead if the hub and reinstalled everything. Now it's working like a charm on all usb ports. Really odd problem.
Sent from my SPH-D700 using XDA App
I had this problem. I was using a USB extension cable that was a bit long. All the other phones and USB devices worked fine with it. EPIC did not want to. I got the impression that EPIC needs more power from the USB port than most of these other devices. For me, skipping the USB extension cable did the trick. I also used a powered USB hub and that worked well too. You might want to try different USB ports. Some may provide more power than others. Also try a powered USB hub (some are built into monitors) if you have access to one.
I had the same issue with my laptop as well. It is most likely the cable. The samsung one is crap. I tried every port and installed the usb drivers a dozen times with no success. Used the cable from my wifes blackberry and worked on the first try. Just pick up a new cable. Try monoprice.com they have awesome deals.
Sent from my SPH-D700 using XDA App
I just had this problem, I switched my cable and then it worked fine.
hayabusa1300cc said:
as title states.
It doesn't seem to be the samsung drivers
as I have uninstalled and reinstalled.
but the Android drivers. I have no Android drivers installed anymore
(the 3 of 4 that installs)
therefore i lose adb connectivity
*This has happened on 2 different Windows 7 installations. (switching between 2 different hdds, on this laptop)
I have usb debug on ofcourse.
I have uninstalled reinstalled latest samsung drivers.
I have installed pdanet drivers.
I have turned off phone, while connected then boot up. still no fix.
I am using acs froyo dk17. But this happened with dk05 as well.
Is there a fix for this?
Click to expand...
Click to collapse
Also make sure your antivirus is off although that's likely not the culprit. Do you install the drivers as administrator?
Try a new cord. If that doesn't work, try deleting/uninstalling the device and/or hub from the device manager - plug the phone in, letting win7 do its worst by not recognizing it, then open the device manager and find the usb hub. try deleting/uninstalling. unplug the phone and scan for hardware changes. I think this may force windows to reinstall the drivers for the usb hub. Disclaimer, it's been a while since I spent significant time fooling with windows computers so take this advice at your own risk - I'm feeling my way like an old man with cataracts trying to find his way around his long-lost childhood home. in the dark. With unfamiliar furniture. In an earthquake. While in a wheelchair. With flat tires....
My computer did this for a while and now it doesn't although it's certainly possible I changed the cord I was using.
The best way to get drivers to work is install PDAnet IMO..
I had driver problems upon driver problems.. swapped cables, etc.
went through all the motions that you all are describing here and what fixed it for me was installing PDAnet. Worked like a charm.
Hope this helps.
I agree about using pdanet for drivers. Unfortunately this problem isn't with the driver not being installed correctly. I got it on one machine and not another, using the same friver. In fact I got it to work on the same machinewith the same driver ... just different ports (one was stuck in usb1/ohci nd worked, the usb2 port never worked on one machine and a usb1 port never worked on a different one).
Sent from my SPH-D700 using XDA App
warlar12 said:
I just had this problem, I switched my cable and then it worked fine.
Click to expand...
Click to collapse
This worked for me when I had the problem. This will be the second time I had a usb cable go bad on me. Maybe I shouldn't buy those cheap ones from China...
I've had this problem with numerous cables on Dell E series laptops with 3 Epics and a Moment. For the life of me I couldn't get the phone to be recognized when using the USB ports on the left side of the machine. Plugged it into the ones on the right and have never had a problem. I think with the Dells it's a low current issue on the left side ports. The shorter the USB cable the better off you'll be if it is a low current problem.
thanks but i did alot of that last night and today, uninstall/reinstall drivers, usb hubs.. nothing
i may need to try another cable because i am workign on a friends epic sunday.
bilestoad said:
Also make sure your antivirus is off although that's likely not the culprit. Do you install the drivers as administrator?
Try a new cord. If that doesn't work, try deleting/uninstalling the device and/or hub from the device manager - plug the phone in, letting win7 do its worst by not recognizing it, then open the device manager and find the usb hub. try deleting/uninstalling. unplug the phone and scan for hardware changes. I think this may force windows to reinstall the drivers for the usb hub. Disclaimer, it's been a while since I spent significant time fooling with windows computers so take this advice at your own risk - I'm feeling my way like an old man with cataracts trying to find his way around his long-lost childhood home. in the dark. With unfamiliar furniture. In an earthquake. While in a wheelchair. With flat tires....
My computer did this for a while and now it doesn't although it's certainly possible I changed the cord I was using.
Click to expand...
Click to collapse
It HAS to be the power differences NOT cable.
Same cable as I charge with, plugged into the front of the computer (hub).
Plugged into the back of the computer recignized the first time.
=USB power
In my case, tried several micro USB cables, no dice. Tried my laptop and desktop, no dice. Tried USB hub or direct to PC usb ports, no dice. Device manager shows the right comm port but all the one-click roots i've tried can't find the phone. USB storage has never mounted for me from day one either.
Sigh, never had this issue with any other Android phone.
Finally figured out my issue. I had set it to "modem" while doing something else in an epst menu rather than "pda". Since I corrected that, works dandy.
I feel so stupid.
Forgive My Brevity. To Be Or Not To Be...
Would using my friends droid x cable work with the Samsung epic?
Sent from my SPH-D700 using XDA App
Hey all. What kind of USB cable do you? I cant get my recignized by Odin. Ive tried every port on my computer, restarted phone computer, took battery out of phone and it still wont connect. I think its the cable. So can anyone guide me to one that will work? Thanks
Just buy a Blackberry cable they are very thick and nice but any other type of Micro usb cable works better than the stock one ...
Just curious, have you installed the phone drivers on your PC?
Sent from my SPH-D700 using XDA App
Yes I have. 3 out of the 4 installed fine.
I use a blackberry cable. Never had an issue
Sent from my SPH-D700 using XDA App
You might even be able to get a Sprint store to exchange your crappy Samsung cable for the Blackberry one if they have one. It might take a little convincing, but most stores will have a small stockpile of cables from return phones, and if you explain to them that you have read online that the blackberry one works better for data transfer, they will probably exchange it.
I've also used the Palm Pre cable, and it worked fine as well.
Maybe I'm lucky, but I've had no problems with the cable that came with my epic.
HTC cables work well... like the one that comes with the EVO
I use the cord from my old Samsung Moment, It actually came with a separate USB Data cord. I think just about any cord will be better than the ones that shipped with the Epic.
I've always used my epic USB. Is ur phone disconnected from the PC before u enter download mode... if so try resetting ur PC, opening Odin, putting your phone in dl mode, than connecting the USB to your phone
Sent from my SPH-D700 using Tapatalk
Using an ecomoto cable off of a cliq 2... Never gave me a problem.
Hi, I'm new around here although I check in periodically to see if you guys have anything cool that I can put on my Continuum My phone's usb broke recently, but luckily I still have one from my old phone from like 2/3 years ago, the LG Chocolate Touch. Anyways, I want to install a ROM on my phone, but I can't seem to connect the data. It has let me connect the data before, just at random times. Like, it charges fine but I can't access the contents of my sdcard. Is there any way to fix this? (Sorry if this is the wrong forum, as I said, I'm new here, and I'm in a bit of a rush.)
Did u install ur phone drivers?
Sent from my SCH-I400 using xda premium
ciscogee said:
Did u install ur phone drivers?
Sent from my SCH-I400 using xda premium
Click to expand...
Click to collapse
I'm almost positive I did.
I've used USB cables from both LG and Palm to transfer data and even install roms on my Continuum. Most cables are built exactly the same, except for some Motorola and Blackberry cables I think. So I would think it has to be your drivers, try unistalling and reinstalling if they are already on your computer.
Edit: Also, my computer seems to recognize my phone faster if USB Debugging is turned on.
Hi everyone,
My Nexus 7 at present isn't getting recognised when connected to a PC via USB. This was working the other week (the drivers were installed the first time I connected it via USB), but now when I connect it to a PC via USB the device isn't recognised by the PC.
I have tried this on multiple PC's and the same thing happens on all of them, so it must be something with the Nexus 7 that is causing the problem.
If I go into Device Manager on any of the PC's, with the Nexus 7 connected via USB it doesn't appear anywhere, so I can't go down the route of even updating the USB drivers as suggested for some similar issues on other threads.
I have even installed the Android SDK and installed the Windows USB driver package, but that hasn't done the trick either.
I have also tried installing the Microsoft MTP porting kit, but again this made no difference and the same can be said by switching between MTP and PTP mode and neither have made a difference. I don't have USB debugging enabled, enabling it doesn't make a difference either.
I can connect my Nexus S phone via USB without issue to any of the PC's I've tested the Nexus 7 on, which further backs my thinking of the issue being with the Nexus 7.
I'm running out of ideas, so thought I would throw it out there to see if anyone has any other suggestions before I do a factory reset on the Nexus 7.
Any suggestions will be greatly appreciated.
Further to this I have done a factory reset, which has made no difference.
Any ideas other than going back to Google or Asus?
my N7 has trouble being recognized by different PCs. it is hit and miss. will your N7 charge when it's connected to a PC that doesn't recognize it? my N7 does not show the charging symbol on screen, but the battery percentage increases over time.
Also try a different cable just in case.
Sent from my Nexus 7 using Tapatalk 2
HKSpeed said:
my N7 has trouble being recognized by different PCs. it is hit and miss. will your N7 charge when it's connected to a PC that doesn't recognize it? my N7 does not show the charging symbol on screen, but the battery percentage increases over time.
Click to expand...
Click to collapse
The N7 shows as charging when the USB cable is connected.
Shrink said:
Also try a different cable just in case.
Sent from my Nexus 7 using Tapatalk 2
Click to expand...
Click to collapse
I've tried different cables, which makes no difference.
It's looking like a hardware fault of some sort as a factory reset made no difference. Think I will have no option to go back to Google/Asus
danox82 said:
The N7 shows as charging when the USB cable is connected.
I've tried different cables, which makes no difference.
It's looking like a hardware fault of some sort as a factory reset made no difference. Think I will have no option to go back to Google/Asus
Click to expand...
Click to collapse
Try connecting it as a PTP device rather than MTP.. (that sometimes works for me when I am trying to force it to pick up the ADB device and install driver etc). If it detects it as PTP change it back (to MTP), and hopefully it will be OK.
marky9074 said:
Try connecting it as a PTP device rather than MTP.. (that sometimes works for me when I am trying to force it to pick up the ADB device and install driver etc). If it detects it as PTP change it back (to MTP), and hopefully it will be OK.
Click to expand...
Click to collapse
I had already tried that, makes no difference unfortunately.
I had the same problem.
I knew it was driver issue but where to find the driver?? Looked on Asus' site and apparently the Nexus 7 is the Asus unwanted step-child. Not a mention of it there.
After a lot of looking and a lot of cursing,I found the answer! (It was the cursing that helped!) Install Windows Media Player v13. The needed driver is included. After a reboot, I was able to see the Nexus 7 on my PC and (more importantly) able to transfer files to it!
What happened
I have had the same problem with it not connecting. My n7 does charge when I plug it in but does not show up in my computer when i plug it in via usb. I have tried switching it to PTP mode but it does not find the device for what I'm doing(unlocking boot loader for my nexus 7) I hope someone can help greatly appreciated.
---------- Post added at 04:47 AM ---------- Previous post was at 04:27 AM ----------
rasputin1234 said:
I knew it was driver issue but where to find the driver?? Looked on Asus' site and apparently the Nexus 7 is the Asus unwanted step-child. Not a mention of it there.
After a lot of looking and a lot of cursing,I found the answer! (It was the cursing that helped!) Install Windows Media Player v13. The needed driver is included. After a reboot, I was able to see the Nexus 7 on my PC and (more importantly) able to transfer files to it!
Click to expand...
Click to collapse
Hi, my computer came with Windows Media Player on it. It does not specify the version. I cannot find Windows Media Player v13 anywhere. Would someone please provide a link if possible. Thank You So Much!
USB Connection To PC Not Detected
Having the same issue here. These two guys as well http://forum.xda-developers.com/showthread.php?t=1851868&highlight=usb+connected Did you also use a car charger? Don't know when it happened for me, but sometime between it last working and testing car chargers it stopped working. Same thing for me as one of the posters says, USB-OTG works, so I would think it's not a physical issue, but how to reset it. Dunno, Any help would be appreciated.
ADB, Fastboot, or USB Connected device in Windows does not work. Computer doesn't even detect, no USB connect sound.
UPDATE:
Installed Glazed Jellybean v.1.1.2 thinking it might clearup the issues with detection of USB and presenting it to the PC. Still same results, USB data connectivity is missing somehow. Just might be some sort of physical damage. Kernel was updated as well to Linaro Motley Kernel v1.1.1.
Help!
I had this happen after using a car charger from amazon. I actually really believe that the charger is the problem, as I had originally got the charger for my recently departed tf101, and after using the charger on that, same problem as what's happening with my n7. Sure, there's workarounds, but it'd be nice to connect to pc for faster transfers.
Sent from my Nexus 7 using xda app-developers app
Same As Above... This sucks.
I am having the exact same problems listed previously & I've tried almost all the same fix attempts with no luck. Like a couple others, mine worked out of the box, then I charged it in my car (using the Nexus 7 cable plugged in to a USB cigarette lighter adapter)... Now, nothing but the indication on the Nexus that it's charging. No indication at all that the computer is even aware a device is plugged in to it. Has anyone found anything? Please, Lord, say it's so!!
I found a fix
Whether this will work for everyone I am not sure.
I took the USB from the hub I was using & plugged it into one of the front ports on the actual tower unit. The drivers were reinstalled and everything is working again.
It may be the Nexus didn't like the hub or it may be that particular USB port threw a wobbler.
histrel said:
Whether this will work for everyone I am not sure.
I took the USB from the hub I was using & plugged it into one of the front ports on the actual tower unit. The drivers were reinstalled and everything is working again.
It may be the Nexus didn't like the hub or it may be that particular USB post threw a wobbler.
Click to expand...
Click to collapse
Thanks, but I've plugged my N7 in to 15+ usb ports on 3 different PCs & haven't gotten anywhere. No changes.
I did call ASUS support yesterday & was told by the tech support person that they were working on a "PC SYNC" software for the N7, but did not have a release date for it yet. I'm not very optimistic. The tech sounded like she could have been reading from a script. Didn't sound as if she knew what she was talking about. I may take my N7 back & get a replacement.
kevchaps said:
I had this happen after using a car charger from amazon. I actually really believe that the charger is the problem, as I had originally got the charger for my recently departed tf101, and after using the charger on that, same problem as what's happening with my n7. Sure, there's workarounds, but it'd be nice to connect to pc for faster transfers.
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
Hey, do you remember what charger you used? I tried two from Amazon, so I can't tell which one gave me the problems. Here they are:
Arcadia Rapiduo, 10W 5V/2A Dual Port high-speed USB car charger w/ Free Full Speed Micro-USB Charging Cable (IMP80C)
http://www.amazon.com/gp/product/B00845NI8E/ref=oh_details_o00_s00_i01
and
PowerGen Dual USB Port 2A 10w (fast) Heavy Duty Ouput Car Charger - White
http://www.amazon.com/gp/product/B00622AG6S/ref=oh_details_o01_s00_i00
Hell, if there are several of us that have damaged devices from these chargers maybe Amazon would help us to get our Nexus replaced.
dkhilo said:
Hey, do you remember what charger you used? I tried two from Amazon, so I can't tell which one gave me the problems. Here they are:
Arcadia Rapiduo, 10W 5V/2A Dual Port high-speed USB car charger w/ Free Full Speed Micro-USB Charging Cable (IMP80C)
http://www.amazon.com/gp/product/B00845NI8E/ref=oh_details_o00_s00_i01
and
PowerGen Dual USB Port 2A 10w (fast) Heavy Duty Ouput Car Charger - White
http://www.amazon.com/gp/product/B00622AG6S/ref=oh_details_o01_s00_i00
Hell, if there are several of us that have damaged devices from these chargers maybe Amazon would help us to get our Nexus replaced.
Click to expand...
Click to collapse
http://www.amazon.com/gp/product/B005L8Q4VU/ref=oh_details_o05_s00_i00
It was this one at first, then I complained it didn't work, and they sent one that could've come from their own car, the way it looked.
And yes, I know it says "for Asus tf101".
Perhaps there's a "safety switch" of some sort, written into the os, that "shuts down" the ability to communicate through usb after using these car chargers? That may sound stupid, i know.
I don't think it's a pc problem, since the n7 still charges when connected, and also, because this has happened twice to me, with both my tf101 and my n7,directly after using these car chargers.
And, for some reason, I don't believe it has caused hardware damage to the n7. I kind of believe what I said in the first paragraph. Maybe this will happen to a dev, and they will look into the problem.
I suppose rma is an option, but patience is not my strong point.
Sent from my Nexus 7 using xda app-developers app
I have 3 computers and 2 Nexus 7 in household, and one N7 has no problem being recognized by computers and the second N7 wont connect as a MTP device at all, on any computer, with many different cable and port combos. The second N7 was bought just a few days ago and I was not going to root and leave a virgin device, so it was essential to have access to sdcard with computer as storage device. Looks like I am taking it back for replacement...which is a shame because other than usb problem the second N7 was a perfect C70...my first N7 C70 has a minor screen lift, and after comparing the two tabs side by side, a slightly more washed out display.
kevchaps said:
Perhaps there's a "safety switch" of some sort, written into the os, that "shuts down" the ability to communicate through usb after using these car chargers? That may sound stupid, i know.
I don't think it's a pc problem, since the n7 still charges when connected, and also, because this has happened twice to me, with both my tf101 and my n7,directly after using these car chargers.
And, for some reason, I don't believe it has caused hardware damage to the n7. I kind of believe what I said in the first paragraph. Maybe this will happen to a dev, and they will look into the problem.
I suppose rma is an option, but patience is not my strong point.
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
This was my thoughts as well, thought some of the system files were altered in someway by either that process or my installing usb related apps. USB OTG and USB monitoring apps specifically. However, I decided to try an load Glazed Jelly Bean hoping it would resolve this issue by rewriting the system files, but it was still broken. This has now changed from a connectivity issue to a totally dead unit for me, it slowly started refusing to give a full charge and now not even a response while plugged into an AC Charger.
dkhilo said:
This was my thoughts as well, thought some of the system files were altered in someway by either that process or my installing usb related apps. USB OTG and USB monitoring apps specifically. However, I decided to try an load Glazed Jelly Bean hoping it would resolve this issue by rewriting the system files, but it was still broken. This has now changed from a connectivity issue to a totally dead unit for me, it slowly started refusing to give a full charge and now not even a response while plugged into an AC Charger.
Click to expand...
Click to collapse
Sorry to hear about yours crapping out. Hopefully, mine doesn't take that route. Really want to root for sixaxis app.
Sent from my Nexus 7 using xda app-developers app
I tried to connect my nexus 4 to my PC , but it would not recognize it under my computer like it should so I could drag and drop. I tried mounting it as MTP and PTP and neither would be recognised.
I ended up transferring my pictures using adb, but I don't know why it didn't work the standard way.
Anyone have any ideas?
Have you tried using drop box? It's really simple and automatic. Just set it to upload only on Wi-Fi
Sent from my Nexus 4 using xda app-developers app
rogerski1 said:
Have you tried using drop box? It's really simple and automatic. Just set it to upload only on Wi-Fi
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
I've used it before but I want to know why the nexus 4 was not recognised by my computer
Is Android debugging on?
Is it having trouble with installing the MTP driver ? Try turning off USB debugging, I couldn't get MTP to work until I did that.
Sent from my Nexus 4 using xda premium
Maybe you've got the same problem that we have here: http://forum.xda-developers.com/showthread.php?t=2005437
Maybe you try:
A different USB port
A different USB cable
Uninstall existing drivers + installing the drivers again
A different computer
And if all that didn't help you can join us in the above mentioned thread. We don't have a solution yet but maybe we can draw some attention to the issue.
All the driver seem to be fine and the nexus 4 is recognised via adb. It used to work before so I don't what's wrong.
Edit: yes USB debugging was on
Ok, but that's actually good! What happens if you plug it into a different usb port?
Ultraschorsch said:
Ok, but that's actually good! What happens if you plug it into a different usb port?
Click to expand...
Click to collapse
It says your device could be faster with USB 2.0 and then it is not recognised.
Now that's really odd. Have you tried a different USB cable?
Ultraschorsch said:
Now that's really odd. Have you tried a different USB cable?
Click to expand...
Click to collapse
I'm using the stock lg cable. I'll try with my nexus 7 cable.
Edit with my nexus 7 cable it says connected by the windows 7 notification, but when I check in computer it does not show anything
But you have seen your N4 in the explorer before, right? I have seen my N4 on my GFs windows machine as Nexus 4, not as a storage device.
Ultraschorsch said:
But you have seen your N4 in the explorer before, right? I have seen my N4 on my GFs windows machine as Nexus 4, not as a storage device.
Click to expand...
Click to collapse
It shows up under devices and printers, but not under my computer
Edit:maybe it has to do with android 4.2 because I just plugged in a flash drive and it showed up under my computer
And what happens if you double-click it there? Can you get your pix then?
Edit: I didn't find my N4 as a storage device, so you can't find it as a letter in your explorer but a real device.
Ultraschorsch said:
And what happens if you double-click it there? Can you get your pix then?
Edit: I didn't find my N4 as a storage device, so you can't find it as a letter in your explorer but a real device.
Click to expand...
Click to collapse
If I double click it it takes me to nexus 4 properties. My nexus 7 does not show up in my computer either that's what bled me to think it has to do with 4.2
Edit:nevrmind its not 4.2 because I just connected a lg motion which is running 4.0 and it does not show up either
Maybe someone with a win7 machine can chip in here, since I think it is a windows problem. I am on a linux laptop, so I can't really help you there. But good luck anyway!
Ultraschorsch said:
Maybe someone with a win7 machine can chip in here, since I think it is a windows problem. I am on a linux laptop, so I can't really help you there. But good luck anyway!
Click to expand...
Click to collapse
Thanks for your help
By George, I fixed it I went into device manager I right clicked on SAMSUNG android phone then nexus 4 under that section, then I clicked update driver. Then I clicked on browse my computer for driver software after I clicked on let me pick from a list of device drivers on my computer and I select mtp. The all of a sudden auto play came up with my device connected as a camera (ptp)
Now all my phones show up under my computer
MTP uses a completely different driver from ADB. So you can have one working but not the other.
Sent from my Nexus 4 using xda premium
steviewevie said:
MTP uses a completely different driver from ADB. So you can have one working but not the other.
Sent from my Nexus 4 using xda premium
Click to expand...
Click to collapse
I have no clue sometime when I connect the nexus 4 it shows connected as adb composite device and sometimes it says mtp.Now everything works though it took me a while but I fixed it.