Samsung Galaxy J3 (2016) (J320FN) - USB not recognized when in Download Mode - Samsung Galaxy J3 (2016) Questions & Answers

When I put my device into download mode, it isn't recognized by Ubuntu nor by Windows 10 : nothing happens when I plug or unplug the USB cable from one end or the other, and Odin does not show anything. It's stock firmware, TRP lock disabled, OEM unlocking enabled, USB debugging enabled.

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Computer won't recognize device

I just got the 6P on Amazon, used-like new. It has 6.0.1 with TWRP installed. When I plug in the short USB-C cable into my W10 PC, it doesn't detect anything. So I go enable debugging mode, turn on USB-Debugging and go down to "Select USB Configuration" and it is set to Charging. The problem is that it won't let me select any other modes other than Charging. It does charge when it is plugged in so the cable is working in some aspect. W10 device manager doesn't show any new USB device or unknown devices when plugged in.
So I reboot into Bootloader and Windows still doesn't detect any device. I tried all the other USB ports. So I'm not quite sure how to get this device to connect to the computer or to just get it to factory stock.
And in TWRP, the log shows MTP enabled and Windows still doesn't recognize it.

odin problem

Odin not showing my j5(2016) sm-j510fn in download mode. Normally my pc can detect my phone. How to solve it?
Make sure you have OEM unlock and USB debugging turned on.
Both are on

S7 Edge not recognized

Hello! First, sorry for my bad english. In December after I install Android Nougat with Odin my pc doesn't recognized my phone. I tried different method but no one resolve my problem. I tried to :
1. Install drivers manually
2. Activate USB debugging from developers option
3. Connect my phone to different PC (Win 7/8/10 and Mac)
4. Factory reset
5. Change cable.
At device mannager appear Unknown USB Device and I install Samsung drivers manually.
My phone is not rooted.
PLEASE HELP ME!
does your phone charge when the cable is plugged into your computer ?
Prior to upgrade what type of connection did you have MTP or something else ?
My phone is charging when i plug in computer and is selected mtp connection .

USB Debugging Problem

I connected my SM G530H to my PC, but my PC doesn't detect anything. It shows nothing about USB. But my phone keep charging unlees i unplug the USB cable. I turned on USB debugging on developer option but still same. Nothing happens
Im using stock rom. Could anyone help? I can't install twrp to odin if i can't fix this problem.

Odin not detecting device on download mode

Help! i want to flash official firmware -GT i9500
In past i was able to flash via odin on same pc and now its not showing usb all driver installed
already try changing data cable and diffrent ports i even tried reinstalling win7 and diffrent version of kies and drivers
i dont have other pc or laptops . other samsung phone is showing on download mode on same pc.
odin only shows my phone when i pull battery while connected to usb on download mode and i can flash twrp recovery or
any small size file but cant flash full firmware its disconect after some seconds
it connects well on mtp mode and twrp.
I have the same problem with my S4. I tested J5 2016 and it is connecting properly with the same cable, drivers, etc, either with odin or in normal situations when phone is on. also S8+ connects with its cable and same drivers, etc. But S4 is repeatedly connecting-disconnecting, either in downloading mode or normal situations.
I installed this driver "https://developer.samsung.com/galaxy/others/android-usb-driver-for-windows" which is "SAMSUNG USB Driver for Mobile Phones 1.5.51".
imanam said:
I have the same problem with my S4. I tested J5 2016 and it is connecting properly with the same cable, drivers, etc, either with odin or in normal situations when phone is on. also S8+ connects with its cable and same drivers, etc. But S4 is repeatedly connecting-disconnecting, either in downloading mode or normal situations.
I installed this driver "https://developer.samsung.com/galaxy/others/android-usb-driver-for-windows" which is "SAMSUNG USB Driver for Mobile Phones 1.5.51".
Click to expand...
Click to collapse
Already tried it didnt work. i dont have disconnecting issue on normal mode i can send and recive via usb mtp to pc for your disconnect problem if it disconnect after phone screen off, go to control panel>sytem &security>power option>change paln setting>change advanced power setting>expand all usb setting =enable change to disable.
If anyone has solution to OP please reply
Thank you!
I eventually succeed! Nothing special just used my brothers' laptop (win 7). same cable, same driver (1.5.51).
My primary problem was WiFi and Bluetooth not working. I was hopeful flashing will solve it but unfortunately no. Seems a hardware problem.
With your recommendation (enable to disable) i saw no change with my pc (win 7).

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