USB port not working, any way to relock bootloader without using a computer? - T-Mobile LG V10 Q&A, Help & Troubleshooting

the microusb port on my v10 stopped working all of a sudden and wont be detected by my computer and wont fast charge, only regular slow charging. i want to be able to exchange it for a new one but i need to relock the bootloader. any way to do this without a computer?

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Help! soft reset sticks at bootloader with Serial, no usb connection possible

From a noobie:
Question 1: My original problem is on soft reset my HTC xv6800 hangs at tricolor with "Serial" at the bottom of screen unless the usb cable is plugged in. It will boot to wm6.1 if I plug in the usb cable at soft reset. Then I get no USB connections in WM61, and my PC does not detect the phone at all at the usb port. I'm stuck with inability to do any sync on the phone.
I am hoping if I install a newer radio ROM it might fix the hang at tricolor with Serial, and usb connection problem. Is this reasonable or do these symptoms indicate something more grave?
Can you recommend any next steps?
Have you tried relocking the phone and flashing back to stock rom? Once you have it back to stock, see if it boots normal. If it does, go thru the steps flashing it back to custom and see if the problem comes back.
BTC
Since I've had the same stock OS ROM and verizon authorized radio ROM for several months, I assumed the ROMs were not the problem. The problem just began last week or so. What I have done is installed neuSPL2.47 wnd reflashed radio ROM and flashed TitanReloaded1.3.2.
I've checked the cable using a different device and it gets recognized by WinXP. I am now syncing with Activesync in bluetooth, and I've flashed both the OS and radio ROMs... With these steps above, is it apparent or feasible that I have a hardware usb issue on the phone?
The only issues I have are that I cannot power up the phone without a usb cable in the phone - it goes to bootloader without the cable plugged in, and I must sync via bluetooth, which is not a huge issue unless I really want to use usb for connection to PC.
Do you still think the ROMs could be the culprit?
Any ideas on why it would go to bootloader with "Serial" at the bottom unless an active usb cables is plugged in? Does anuyone know what the "Serial" message means?
What happens if you plug in the USB cable after the bootloader comes up, does it change to USB or does it keep saying serial.
It does sound like maybe your USB port is bad, if you get it booted up normally, does it see activesync in windows, does your headset work, etc?
Basically, if you use the cable trick to get it to boot, does the USB port seem completely normal then?
BTC
Flash it using your microsd
BillThyCat said:
What happens if you plug in the USB cable after the bootloader comes up, does it change to USB or does it keep saying serial.
It does sound like maybe your USB port is bad, if you get it booted up normally, does it see activesync in windows, does your headset work, etc?
Basically, if you use the cable trick to get it to boot, does the USB port seem completely normal then?
BTC
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The port seems dead after bootup, once it gets past the bootloader. It never says USB in the bootloader. Should I see that if USB is confirmed functional? What does "Serial" mean? Activesync does not see the Titan whatsoever when using USB connection after it boots. I sometimes get an error popup at the taskbar in WinXP Pro that says the usb device has a problem...

[Q] No USB Connection

I flashed my atrix using RSD lite and unlocked the boot loader. Once complete the phone rebooted and everything works fine except when i plug in the USB it flashes USB Connection in the notification bar and then quickly disappears. It will not connect to my PC. The PC detects it and then says device unplugged.
I have tried 3 computers 2 USB cables - wiped cache and reformatted.
It still charges and when in RSD or fastboot mode it works fine.
Thanks in advance for your advice
To me it sounds like you need some drivers.
If you're on windows 7 it will automatically install proper drivers. If not, you have to download the drivers for the device to work properly.
Sent from my MB860 using Tapatalk
I have the proper drivers. I have plugged another atrix in to the same PC and connected with no issue. It is only this device. It connected fine before I unlocked the BL
this happened to me as well, are you able to charge normally? if you are not able to then it means that you have the exact same problem I had with a atrix, if you are under warranty I suggest you try cashing it in as there is mainboard damage, swapping the microUSB port will not help, I think there is a fuse on pin 2 or something that is blown
The phone charges fine. And the usb works in fastboot and rsd mode. When i plug usb into pc it charges just will not install
I do have same problem with my motorola atrix 4G. How did you get it resolved ?
fin05 said:
The phone charges fine. And the usb works in fastboot and rsd mode. When i plug usb into pc it charges just will not install
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Click to collapse

[Q] Charge port only charges but no data

I have a friend with a P7510 wifi edition tablet whose charge/data USB port only charges the tablet. It used to charge AND allow him to move data back and forth to PC or usb stick (with USB dongle) but ONLY charging works now.
Odin doesn't recognize the tablet, connecting it via usb to a computer plays the sound but the tablet is not recognized in windows at all. It is running stock TW. In addition, his tablet has on that broken version of firmware that Samsung pushed out several months ago that messed up screen rotation and Wifi. Booting to his stock recovery gives error so I can't even flash on another ROM.
Is there anyway to get him onto a new ROM and/or to fix his bootloader?
Thanks in advance for any help.
Are you sure you have the correct drivers install on your windows computer?
1000% sure the drivers are correct. I have even tried the tablet on my own PC since I've the P7510 as well. It also does not work with the usb dongle attachment and any usb device like you used to.
The linked picture is what I get when I boot into recovery mode.
Sent from my Galaxy Nexus using Tapatalk

SGS2 is not recognized as a USB device by windows

We had a power bump the other day while my phone was charging. since then the computer started to not recognize the usb device. I downloaded new drivers and tried all the old tricks I used to use to get it accepted by 4 different windows PC. I have tried multiple usb cables as well still no luck. The phone is still charging but sometimes it will be at 15% and then the indicator will flash to 100% charged and I have to restart the phone to get the indicator to ready properly and continue charging.
I have tried a factory reset to see if all the phone needed was a kick in the butt to start working again but that did nothing but lose my data. I think the usb mini port is blown from the bumps but if anyone has any suggestions it would be greatly appreciated. I am on the jellybean official all phone details are in my signature.
Is there any way to update the firmware and do rooting without a usb? Can i take external sd card and load stuff i want onto there and get to a rooted unlocked phone via recovery mode?
Replace the USB board/port. Cheap/quick/easy to do yourself. KeithRoss39 has a guide in General section which has all the info you need. Flashing stuff to/messing with your phone without having a way to recover (I.E the ability to Odin flash via USB) is foolish & invariably leads to a busted phone with no way of fixing it until you fix the USB board/port. So you might as well do that first.

[Q] HTC One and qhsusb_dload and wont turn on

I have an HTC One running 4.1.2 on TMobile. I did not root, flash or alter the OS in any way. I was using the phone as a hotspot for a laptop in order to download a movie and send it through the HMDI cable to a TV to watch. Prior to even getting to the download stage on the PC, the phone died so I plugged it into the PC via USB. It did come back on, was showing battery at 1% but then immediately died. How should I proceed to get back to functioning?
The PC only shows QHSUSB_DLOAD.
I believe the phone to be S-ON as I did not change that.

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