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[Q] [USB not working] How can I restore stock android?

Hello,
I'm running CM10 and I need to send my nexus to repair service.
The phone has the following problems:
- "USB device not recognized" when connected to PC
- the power button started to be unresponsive (and soon will be completely K.O.)
I'm still under guarantee so I'm trying to restore official stock android before to send the device,
but I have no idea how to do it..
I tried this guide
http://forum.xda-developers.com/showthread.php?t=1669093
but as said above the USB doesn't work properly and the procedure cannot be completed.
Probably I have an hardware problem at the phone's USB connector (I try to clean the pins, change the cable and use different PCs but didn't help...).
Any chance?
thanks

USB Issue

Hello,
I've had a GT-N8013 for a few years and just recently decided to try something besides stock on it. Darn thing is, once I reset the tablet to factory settings (4.1.2) and got prepared to flash CWRecovery my PC stopped recognizing the tablet via USB. So obviously, I now can't use ODIN which kinda sucks.
The tablet lights up when I plug it in (Red X on battery icon, but that's understandable - although, it does that on the wall charger too), but the PC does not respond at all. No change in Device Manager.
Things I've tried or noted:
I have tried it on multiple machines and multiple ports
I bought and tried a new UBS cable
I bought and replaced the charging port
I have tried Kies, different drivers, etc.
Rebooting tablet/PC
With/without USB Debugging enabled
Any help would be wonderful. Thanks in advance!

NayKnyte said:
Hello,
I've had a GT-N8013 for a few years and just recently decided to try something besides stock on it. Darn thing is, once I reset the tablet to factory settings (4.1.2) and got prepared to flash CWRecovery my PC stopped recognizing the tablet via USB. So obviously, I now can't use ODIN which kinda sucks.
The tablet lights up when I plug it in (Red X on battery icon, but that's understandable - although, it does that on the wall charger too), but the PC does not respond at all. No change in Device Manager.
Things I've tried or noted:
I have tried it on multiple machines and multiple ports
I bought and tried a new UBS cable
I bought and replaced the charging port
I have tried Kies, different drivers, etc.
Rebooting tablet/PC
With/without USB Debugging enabled
Any help would be wonderful. Thanks in advance!
Click to expand...
Click to collapse
Don't use Kies.
Download Samsung USB driver & install it, then may be restart your PC.
If you use MS Windows download ODIN.
If you use Mac or Linux download Heimdall instead of ODIN.
Download the ROM.
Set your GT-N8013 to Download Mode (ODIN mode).
Connect your your GT-N8013 to your PC.
READ the instruction for FLASHING A CUSTOM ROM!

Galaxy S6 not recognized on PC or ADB

Dear,
My Galaxy S6 SM-G920F with lollipop 5.1.1
AP : G920FXXU2BOG8
CSC : G920FOJV2BOG8
has stop being recongnized by pc, i almost tries anything i know and find on net.
The pc doesn't recongnise it on device manager (i have a win 7 pc), the phone however react as pluged in a charger.
their is no mtp or mass storage switch on notification.
i have reinstall the driver of samsung several times with smart switch & also made it manual by suppressing directrly the samsung usb driver from programs on control panel then reinstall it but no hope.
I can't figure out eitheir its hard or soft.
i had change my cable & also test my pc with another Galaxy s6 it works fine, but mine no.
i have made wipe cache / factory reset also made an initialisation from parameters the phone is formated but not recognised by the pc also test it on another pc but the same behaviour windows pcs doesn't recognise my phone.
However, i figure out that when its on the restore mode (volume down + lock + home) the pc recognise it by Odin and smart switch.
i install the same rom on it also made an emergency restore with S/N and model and the process completes fine with smart switch and i saw the donwload progress bar completing on my phone.
but still i m stuck its not recognised please help !!!
i tries to use *#0808# and its on AP / MTP + ADB but no hope
i plug it on ADB android studio but the device list is empty :'(

Try installing latest version of Kies to install updated Samsung drivers.

roydok said:
Try installing latest version of Kies to install updated Samsung drivers.
Click to expand...
Click to collapse
I m having both the latest SmartView & Kies 3
i have done as asked but still no usb detection even after reinstalling usb driver

Try using a different USB cable or different USB port.

roydok said:
Try using a different USB cable or different USB port.
Click to expand...
Click to collapse
i used different cables and pcs but still not recognised
yesterday i used odin with those options :
BL/AP/CP/CSC and checked
Auto-reboot
F.reset Time
phone EFS Clear
Phone bootloader update
it has taking some while to execute but after that my phone was working and detectable again by my pc the problem was resolved for a couple of hours, in the evening the problem occured again.
and i have tried the process again the same why but no connection at all.
i don't know if its a hardware problem or software related problem
because the usb work when i m in restore mode (Odin mode) otherwise no.
Its an advance problem i already check all about usb / cable and pcs related problem.

Problem resolved
I sent my S6 to Samsung SAV it take them 4 days.
they doesn't give me proper answers on what they have done but i saw that my mini-usb plug is new so i expect that they got this part changed accrodingly the samsung has no sign of damage its a clean operation.
Its now detectable. It was indeed a Hardware problem

i have the same issue but in a g928f
today i changer my lcd with the micro usb flex
so all is new except the main board and still is not recognised at any pc with any cable.
i am really starting to feel very sorry for this phone.
odin does not see it at all even at download mode.
i don't know what else to do.

Software or Hardware Issue
I have a s6 920t that I am suppose to pay for at the end of the day. I got it from a friend who bought it while overseas. The only time my computer detects it is in download mode/odin mode, I hear the sound and I see it as "Added". When I try to connect any other way I don't hear the sound my laptop makes when it has detected a new device also otg cables don't work. I just simply want to know if this a software or a hardware issue? Software I can fix but if it is hardware I don't want to waste my money. Please anyone reply as soon as you can so I can decide what to do.
Thank you

I have two S6 Edge and one of them started doing this (phone only appears on USB when in Download mode). When swapping the motherboard between the phones, it works. So the problem isn't with the motherboard, but the USB connection module attached with the ribbon cable... There must be a chip on the module which gets locked somehow and replacing the board is at least one way to fix it. Hopefully someone finds another method without replacing the charger board?

G920F, USB MTP, FASTBOOT not working anymore.

Hi all,
So I have a strange problem, a while back I discovered that I can't connect my S6 to my computer and or other computers, whatever usb cable I use the device is not detected at all. and only charging works.
I already tried more USB cables and validated they work with other devices, I also discovered the USB is not detected in fastboot mode, so I can't flash any images anymore over USB.
I also discovered that I might have flashed a wrong stock rom a few months back and I never tried to connect it to the USB in the meanwhile, when I trace the baseband version it says it's Asian..:crying: And this device is a dutch PHN. The device has ADB working over WIFI and root enabled, it also has TWRP installed and even there MTP is not working!
However i'm afraid there is no way I can flash a stock rom back to the device without a working fastboot, unless there are flashable zips.
What do you guys think?
- MTP does not work
- Fastboot works but USB is not detected (odin, device manager etc).. with all kinds of cables.
- ADB Shell + Root Works (Only over wifi)
- I got a full backup of all partitons, created it with TWRP.
- It's stull running android 5.1.1
Best Regards,
Toetje

TerrorToetje said:
Hi all,
So I have a strange problem, a while back I discovered that I can't connect my S6 to my computer and or other computers, whatever usb cable I use the device is not detected at all. and only charging works.
I already tried more USB cables and validated they work with other devices, I also discovered the USB is not detected in fastboot mode, so I can't flash any images anymore over USB.
I also discovered that I might have flashed a wrong stock rom a few months back and I never tried to connect it to the USB in the meanwhile, when I trace the baseband version it says it's Asian..:crying: And this device is a dutch PHN. The device has ADB working over WIFI and root enabled, it also has TWRP installed and even there MTP is not working!
However i'm afraid there is no way I can flash a stock rom back to the device without a working fastboot, unless there are flashable zips.
What do you guys think?
- MTP does not work
- Fastboot works but USB is not detected (odin, device manager etc).. with all kinds of cables.
- ADB Shell + Root Works (Only over wifi)
- I got a full backup of all partitons, created it with TWRP.
- It's stull running android 5.1.1
Best Regards,
Toetje
Click to expand...
Click to collapse
I can´t belive it, someone who has the same problem then me. A little wierd is that I got 2 phones here.... Got my S6 which I´m using atm and some days ago a friend gave me a A5. Actually the A5 has exactly the same problem and one more problem is, that the "Home Button" of the phone is not working. No chance to root it at all.
It was like this.... I came back home with the A5 and first I thought about was rooting it. Restarted and tryed to go into "Recovery Mode" which wasn´t working, same as going into "Download Mode". So my first thought was that some of the buttons arn´t working. I was right, it was the home button which is without any function. My next idea was rooting over Laptop with Odin. Enabled USB Debbuging, connected a data cable..... and usb connection was not working... only charging!
After like a minute of trying and no success I wen´t eat first. When I came back i tryed again and USB Debbuging asked me to accept the Laptop. (Till now I didn´t thought about that it could be my first and my last time I will have a working USB connection.)
I wen´t into "Recovery Mode" thought about restarting cuz I wanted to go into "Download Mode". So I restarted and that was FATAL.... since then I had no chance anymore till yet to get a working USB connection. No matter which PC, Laptop, USB / Data-Cabel. And since the "Home Button" is not working, I don´t even know how to get Root.
Right now I´m asking myself if it could be a Firmware related problem?! I mean, when my friend gave me the phone there wasn´t the newest update installed on it so I just updated it. It´s a A500FU running stock Android 6.0.1 newest DBT Firmware..... and also I´m not able to change it without having a working USB connection.
Greets!

d3nni said:
I can´t belive it, someone who has the same problem then me. A little wierd is that I got 2 phones here.... Got my S6 which I´m using atm and some days ago a friend gave me a A5. Actually the A5 has exactly the same problem and one more problem is, that the "Home Button" of the phone is not working. No chance to root it at all.
It was like this.... I came back home with the A5 and first I thought about was rooting it. Restarted and tryed to go into "Recovery Mode" which wasn´t working, same as going into "Download Mode". So my first thought was that some of the buttons arn´t working. I was right, it was the home button which is without any function. My next idea was rooting over Laptop with Odin. Enabled USB Debbuging, connected a data cable..... and usb connection was not working... only charging!
After like a minute of trying and no success I wen´t eat first. When I came back i tryed again and USB Debbuging asked me to accept the Laptop. (Till now I didn´t thought about that it could be my first and my last time I will have a working USB connection.)
I wen´t into "Recovery Mode" thought about restarting cuz I wanted to go into "Download Mode". So I restarted and that was FATAL.... since then I had no chance anymore till yet to get a working USB connection. No matter which PC, Laptop, USB / Data-Cabel. And since the "Home Button" is not working, I don´t even know how to get Root.
Right now I´m asking myself if it could be a Firmware related problem?! I mean, when my friend gave me the phone there wasn´t the newest update installed on it so I just updated it. It´s a A500FU running stock Android 6.0.1 newest DBT Firmware..... and also I´m not able to change it without having a working USB connection.
Greets!
Click to expand...
Click to collapse
I ordered a new USB port board, will let you know the results!

Any results after changing the usb port?

Did fast charge still work for you? And this replacing the USB port work? I think this is related to a broken USB ic. For me replacing the USB port didn't help

Sometimes it's a bad charging port and / or liquid damage to the charging port.
If your home button clicks but does not work it could be liquid damage near the home button. Same goes for power and volume buttons.
I just fixed a S6 edge plus yesterday power button not working, liquid damage all around power button area, fixed burnt components and corroded pins.

How to flash a bootloader and modem with a broken USB port?

Hi all,
I have a Samsung Galaxy S7 Duos (G9300FD) device with a broken USB port (so I cannot connect by Odin, ADB, etc). I managed to flash a custom ROM (https://forum.xda-developers.com/galaxy-s7/development/rom-galaxy-project-t3792761) by using TWRP (twrp-3.4.0-0-herolte) and an external SD card.
How to upgrade the modem and bootloader to the ones delivered together with the software in TGP_G93xx_XXS7ESL5_v2.12.0.zip? I tried all types of installations (including the custom one) and I cannot find any option that allows me to install a modem / bootloader. I saw the screenshots from the Aroma installer on the first page of this thread, but I cannot see the option to install bootloader / modem while executing the installer.
I also tried to download the bootloader and modem as tar.md5 files (BL_G930FXXS7ESL5_CL15877854_QB28006787_REV00_user_low_ship.tar.md5 and CP_G930FXXS7ESL5_CL1129407_QB14677789_SIGNED.tar.md5), but they are ODIN flashables. And I cannot do anything with Odin, as the USB port is broken. Or at least appears to be broken (charging works) - the device is not discovered even by "lsusb" on Linux (while another Samsung Galaxy S7 device is discovered using the same cable and even I can browse its internal storage from Linux). Can I somehow flash the bootloader and modem using TWRP (twrp-3.4.0-0-herolte) or another way?
Best regards.

Are you willing to take the back off of the phone?
I know that with the S7, you can't properly replace the USB port without removing the screen, which is close to impossible to do without destroying the screen.
However, in your case you don't need to permanently replace the USB port to achieve what you want to achieve.
All you need to do is get the back off the phone, disconnect the broken USB port from the motherboard, and temporarily connect a replacement USB port. The part doesn't need to be properly installed, just connected. Once you've done that, boot into download mode and flash the bootloader and modem.
Edit: if your USB port is accepting a charge but not connecting, it's also possible that the problem is down to a single bent pin in the connector, which can possibly be fixed very carefully with a strong, thin needle. I also wouldn't rule out a bad USB cable, even if another S7 works fine with it. Likewise with the USB ports on your PC, especially if you're using USB 3.0. Try a USB 2.0 port.