[Q] mtp usb device fail - Verizon Samsung Galaxy S III

i rooted my s3 which went well, installed font installer root after a reboot phone is now stuck on boot screen.
now it keeps saying mtp usb device fail when i install drivers.. nothing seems to work, tried everything. even kies doesnt pick the phone up.
anyone got a clue how to stop this fail.

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Stuck on boot screen??

im stuck on the samsung galaxy s 19000 boot screen and i can go into download mode but not into recovery... but the problem is that i cant get my phone to connect to computer thru kies or anything and i tried using another cable and computer...can anybody help me plaese??
Did you install the drivers for your phone on the computer? I was in a similar situation with a Samsung fascinate. I got stuck on a boot/flash loop. What I did was look for the phones drivers, installed them on the computer, get it into download mode (with the android shoveling), looked for the Odin software, looked for the fascinates factory rom, and flashed it through Odin.
Sent from my ADR6300 using XDA App
yea i installed the drivers and reinstalled them but it still says usb device not recognized and on device maneger says unknown device and i dont know waht to do.. if it at least get it to connect once i will be very happy

[Q] Boot Loop. USB not recognized. SD Card won't mount

Essentially What's wrong:
My phone is stuck in a boot loop, computers won't recognize the usb connection, and my sd card won't mount. My SD card is, however, recognizable if I plug it directly to my computer using an adapter.
What Happened:
I rooted my phone using CWM and Odin in order to remove bloatware and enable tethering. After enabling tethering, my computer stopped recognizing my phone. I tried everything to fix it including factory resetting my phone, formatting cache, data, system, and sd card all under the CWM boot menu (hold volup+home+power). Soon afterwards, my phone got stuck in a boot loop. On startup, it hangs on the white "Samsung" logo. While trying to fix the issue, I noticed that my sd card won't mount.
What I've tried:
I've tried this method, but it requires that I either have usb access or access to my phone. I've tried reinstalling the Samsung driver fifteen times. I've tried formatting the SD card in my computer. I've tried using different computers. I've tried using different usb cords. I've tried clearing the registry on my computer, I've tried scouring Google and these forums for a solution. Maybe I'm blind and missed something.
What I'm trying to do:
The way I see it, I need to figure out a way to flash the stock rom back to my phone. In order to do this, I need to get my usb to recognize. If I can do this, the rest is easy. Does anyone has any ideas on what can be done?
Cerei said:
Essentially What's wrong:
My phone is stuck in a boot loop, computers won't recognize the usb connection, and my sd card won't mount. My SD card is, however, recognizable if I plug it directly to my computer using an adapter.
What Happened:
I rooted my phone using CWM and Odin in order to remove bloatware and enable tethering. After enabling tethering, my computer stopped recognizing my phone. I tried everything to fix it including factory resetting my phone, formatting cache, data, system, and sd card all under the CWM boot menu (hold volup+home+power). Soon afterwards, my phone got stuck in a boot loop. On startup, it hangs on the white "Samsung" logo. While trying to fix the issue, I noticed that my sd card won't mount.
What I've tried:
I've tried this method, but it requires that I either have usb access or access to my phone. I've tried reinstalling the Samsung driver fifteen times. I've tried formatting the SD card in my computer. I've tried using different computers. I've tried using different usb cords. I've tried clearing the registry on my computer, I've tried scouring Google and these forums for a solution. Maybe I'm blind and missed something.
What I'm trying to do:
The way I see it, I need to figure out a way to flash the stock rom back to my phone. In order to do this, I need to get my usb to recognize. If I can do this, the rest is easy. Does anyone has any ideas on what can be done?
Click to expand...
Click to collapse
The phone not connecting: I have had this issue before. If you go into the device manager on the computer and show all devices, you can remove all the samsung usb drivers and the root usb drivers from the computer. Reboot the computer and leave the phone unplugged. it will reinstall the main drivers. reboot the phone and hold the buttons to enter recovery, it should still work even while stuck on samsung logo. connect the phone to pc and it should reinstall the drivers and connect properly.
mromblad said:
The phone not connecting: I have had this issue before. If you go into the device manager on the computer and show all devices, you can remove all the samsung usb drivers and the root usb drivers from the computer. Reboot the computer and leave the phone unplugged. it will reinstall the main drivers. reboot the phone and hold the buttons to enter recovery, it should still work even while stuck on samsung logo. connect the phone to pc and it should reinstall the drivers and connect properly.
Click to expand...
Click to collapse
Do you remember at all the name of the drivers that need to be uninstalled? When I plug in my Droid Charge, the computer attempts to install the drivers but it always fails. Under device manager I will then see "unknown deviced" labeled with a yellow exclamation mark. I uninstall that, then plug the phone back in but the same error occurs.
If there are other drivers that I need to uninstall, then I don't know what they're called. None of the devices in the manager say anything referring to samsung.
Cerei said:
Do you remember at all the name of the drivers that need to be uninstalled? When I plug in my Droid Charge, the computer attempts to install the drivers but it always fails. Under device manager I will then see "unknown deviced" labeled with a yellow exclamation mark. I uninstall that, then plug the phone back in but the same error occurs.
If there are other drivers that I need to uninstall, then I don't know what they're called. None of the devices in the manager say anything referring to samsung.
Click to expand...
Click to collapse
go to device manager and choose: view >> show hidden devices
then under the usb drivers look for and uninstall the SAMSUNG if any and uninstall the : Generic USB Hub if any, and uninstall USB Root Hub if any, and reboot computer.
THANK YOU
How don't know how I managed to miss this when trying to fix this over the past week+, but it worked. Getting rid of those root usb devices got my computer to recognize my phone, then I was able to easily use Odin to boot it back to the stock rom. Thank you so much. Crazy how such a simple solution can be the answer.
mromblad said:
go to device manager and choose: view >> show hidden devices
then under the usb drivers look for and uninstall the SAMSUNG if any and uninstall the : Generic USB Hub if any, and uninstall USB Root Hub if any, and reboot computer.
Click to expand...
Click to collapse
Hello. im having the same problem and need help. I find 2 root hubs in the drivers and uninstall them and restart computer, but it installs again the 2 root hubs after restarting computer i press (+ and poverbutton on my galaxy s plus) and then press menu button to go to the settings.. then i plug it in but it still dont recognizes the g disk.. after i reboot the phone it just shows for a little while but i cant acces it... please some advice... THANKS!"
hannu123 said:
Hello. im having the same problem and need help. I find 2 root hubs in the drivers and uninstall them and restart computer, but it installs again the 2 root hubs after restarting computer i press (+ and poverbutton on my galaxy s plus) and then press menu button to go to the settings.. then i plug it in but it still dont recognizes the g disk.. after i reboot the phone it just shows for a little while but i cant acces it... please some advice... THANKS!"
Click to expand...
Click to collapse
hi there,
i am havin the same problem. i just wanted to know if you managed to get a solution? i am desperate. please assist.
Hi there
I'm having same problem with celkon a20. It strucks on erasing data not connecting to PC....please reply me
mromblad said:
The phone not connecting: I have had this issue before. If you go into the device manager on the computer and show all devices, you can remove all the samsung usb drivers and the root usb drivers from the computer. Reboot the computer and leave the phone unplugged. it will reinstall the main drivers. reboot the phone and hold the buttons to enter recovery, it should still work even while stuck on samsung logo. connect the phone to pc and it should reinstall the drivers and connect properly.
Click to expand...
Click to collapse
Hello, have tried uninstalling the USB drivers but Windows 10 re-installs these drivers upon restart. My Samsung SM-N750 is still not detected on via USB, and therefore cannot proceed with Odin firmware flash. Do you have any other suggestions? Many thanks.

[Q] Phone won't boot after shutdown

My friend switched off his phone so he will save battery in his skyrocket, then the phone looked like bricked which is weird. I've tryed to put it in download mode - nothing cwm - nothing, just silence, no vibration, no reaction w/e i've tryed to do. Is there a workaround so I won't have to turn on phone and i could flash rom? AFAIK he had installed CM9 and everything was fine. Weird thing tho. Is there anything that we can do? When i plugin phone to the pc with odin turned on (windows 7) says that the driver is not functioning although i have installed samsung usb drivers and i've connected galaxy note with ease... Then i installed another samsung usb driver somewhere in gs2 skyrocket board. Still no luck. Specifically error says "This device cannot start. (Code 10)"

[Q] ODIN sees phone in recovery mode, but not in download or when booted regularly.

What the heck could cause it to see the phone in one mode but not the other two? I've tried removing all Samsung drivers, and Kies, and installing rebooting, and installing just the regular USB drivers. Same problem.. never had a problem with Odin before.. not sure what to make of this.

Bootloop - ADB not detecting phone

Yesterday I tried installing the original ROM with Samsung Kies(currently rooted). Everything went fine until I had to go into Download Mode. The PC did not detect my phone. So I decided to stop the process and tried to turn on my phone. That's when the bootloop kicked in... At this point the only thing I'd done was going into download mode and going back out of it. Nothing was transferred yet.
I have TWRP installed and I can go into recovery mode, but can't do much in there. ADB on the PC is not detecting my phone, tried all the drivers I could find. I tried it on my laptop, thats where ADB was working fine a couple of weeks ago, same result.. The only thing that I can think of is that my USB settings is set to Charge Only. Is there a way to change this with the Terminal in Recovery mode?
For the record:
- ADB is not detecting my phone
- Kies is not detecting my phone
- Odin is nog detecting my phone

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