ive just had an honor 70 my old phone was a samsung s9 which connected to my kenwood dmx7071dabs with out a problem how ever my honor 70 wont it connect for a short while a few seconds then my usb connetion drops from mtp to charge only and the app goes off i have tried diffrent cables i have been in to developer mode and set usb connetion to mtp but connection still goes back to charge only grrrrrrrr and ideas please
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My device is I8200 N
Every time I connect it with PC using USB cable, neither the phone nor the PC shows any response.
In download mode, Sometimes Odin detects it...But most of the time it shows no detection.
When I connect my charger, It charges but shows no charging animation or any kind of charging response.
Rooted and TWRP installed...Tried with 3 different USB cables and 2 PCs....tried Samsung drivers re-installation...tried Pdanet drivers....still no change.....
What should I do?
Hello...
My Note 5 Keeps Disconnecting & Connecting rapidly Via USB Cable? I have tried to seek solutions by disabling power management in USB Control but to no avail. Does anyone ever have this same issue & share how to fix this? Thanks in advance
Ihad this problem before. And i found that the problem caused by the cable itself . The note 5 cable is so thin and as you moving it , it will disconnect. I tried to connect my note 5 with old s5 cable . (Thicker one ) and the problem never appear again . Hope that help .
I agree, I had the same problem and found out it was the USB cable itself..
Denim Guy said:
Hello...
My Note 5 Keeps Disconnecting & Connecting rapidly Via USB Cable? I have tried to seek solutions by disabling power management in USB Control but to no avail. Does anyone ever have this same issue & share how to fix this? Thanks in advance
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Hi,
Firstly, i agree with other posters that it could be Usb cable. However in my case with my old Note 4 I had similar issues with connecting /disconnecting.. rapidly (same as you stated in your post)
I found in my case it was the Note 4 fast charger plug (Not cable.)
If i changed the fast charger plug it would stop disconnecting /connecting. In fact it made a loud
noise /sound in the process that drew my attention as to what was happening. (the phone was making the connection /disconnection noise)
If i changed the charger with my old Note device's charger/ plug it would work correctly. Also if i change
Note 4 fast charger with my Note5 fast charger it would also work correctly.
Good luck
Well...it's getting quite weird actually. Yes i think the problem is actually from my USB cable here, it used to be fine but problems only arose after i upgraded my PC OS from 8.1 to Windows 10 and Note 5 firmware to Marshmallow at the same interval. In my case the charging process with its fast charger adaptor works fine, but not with the data transfer when connected to PC. Since i only have other USB cable from Samsung Tab S, thus what i can conclude is that by using said USB cable, connection to PC was more stable but still sporadically undetected or stopped during data transfer here. And it did not support fast charging despite plugged to Note 5 fast charger adaptor. I suppose not all USB cables support fast charging at all. And there are reports indicating several USB problems conflicting with windows 10 as well. Meanwhile i am still trying to figure this out, i'll keep updated when new progress comes up ok. Thanks for all your attention & inputs, really appreciate it here.
Just bought a new USB data cable for Samsung Note 4, the cable is indeed thicker. Conclusively yes the culprit was the USB cable as no said problems occur anymore while using new cable here.
So I seem to have a very weird issue with the USB connection on my Sony Xperia XZ2 running Android 8.0.0 with the build version 51.1.A.11.51. It refuses to connect or charge on almost any computer. The phone doesn't seem to recognize that it's connected to a computer. The computer doesn't see that my phone is connected either. I tried different USB ports, different computers, and different cables and they all won't connect to the phone. The exception is my laptop, which has a dedicated fast-charging port. When I connect my phone to that port, the phone charges, but it doesn't recognize that it's connected to my laptop and the laptop doesn't see a device connected either. Enabling ADB on my phone doesn't seem to do anything.
The strange thing is that almost all other USB functionality works fine on my phone. The phone charges fine from both a normal power brick and a fast charging brick. Both analog and digital based audio adapter dongles works perfectly fine too. USB based Android Auto does not seem to work, but it still charges the phone when I connect my phone to the car.
I also noticed that if I plug my phone into a computer while the phone is off, it would briefly wake up to the Sony logo and have the charging light come on for a few seconds until the screen changes to the battery percentage. Booting up my phone while plugged in doesn't seem to fix the issue.
The bootloader is locked and it has the stock recovery, so I don't think fastboot works (but I'm willing to try if it fixes the issue).
I've already tried spraying electrical contact cleaner into the USB port and also tried cleaning the port with a small plastic zip tie. I don't know how long my phone has been like that since it's been over a month since I last connected it to my computer. I don't know anything else I could do besides resetting the firmware, doing a firmware update, or sending in my phone to Sony for repairs. If anyone has any suggestions, I'm willing to try it.
patx35 said:
So I seem to have a very weird issue with the USB connection on my Sony Xperia XZ2 running Android 8.0.0 with the build version 51.1.A.11.51. It refuses to connect or charge on almost any computer. The phone doesn't seem to recognize that it's connected to a computer. The computer doesn't see that my phone is connected either. I tried different USB ports, different computers, and different cables and they all won't connect to the phone. The exception is my laptop, which has a dedicated fast-charging port. When I connect my phone to that port, the phone charges, but it doesn't recognize that it's connected to my laptop and the laptop doesn't see a device connected either. Enabling ADB on my phone doesn't seem to do anything.
The strange thing is that almost all other USB functionality works fine on my phone. The phone charges fine from both a normal power brick and a fast charging brick. Both analog and digital based audio adapter dongles works perfectly fine too. USB based Android Auto does not seem to work, but it still charges the phone when I connect my phone to the car.
I also noticed that if I plug my phone into a computer while the phone is off, it would briefly wake up to the Sony logo and have the charging light come on for a few seconds until the screen changes to the battery percentage. Booting up my phone while plugged in doesn't seem to fix the issue.
The bootloader is locked and it has the stock recovery, so I don't think fastboot works (but I'm willing to try if it fixes the issue).
I've already tried spraying electrical contact cleaner into the USB port and also tried cleaning the port with a small plastic zip tie. I don't know how long my phone has been like that since it's been over a month since I last connected it to my computer. I don't know anything else I could do besides resetting the firmware, doing a firmware update, or sending in my phone to Sony for repairs. If anyone has any suggestions, I'm willing to try it.
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Upgrade to the newest stock version.
My k20 pro is not connecting with pc , i have changed charging port , charging board(pic attached) but still cannot get it connecting with pc , although can charge fone with slow spead only
What should i do
if somebody knows how to fix it plz help me
even when connect to charger it gets restart again and again
Hi
Just plugged my Android 12 Samsung S21U into my Windows 11 PC but nothing showed on the PC. I woke the phone and tapped on the "charging" notification but nothing happened.
Went to developer settings and set the Default USB Config (which was off) to "Transfer Files"
Set USB debugging to be on too.
Still no avail.
Any help?
Is dex working? Or maybe a driver issue?
I've just installed Dex.
Samsung said I should make sure the phone is in the correct MTP when using the dialpad to type in *#0808# - which it is.
Tried installing the drivers from the Samsung website (although the UK version of the site doesn't offer any drivers) - not working.
I can connect the phone using the "link to Windows" but this won't let me connect normally.
Both Windows and the phone are fully up to date with all the latest.
Just restarted the phone and can connect to Dex, although I think it's doing it wirelessly rather than through the cable.
Yes, have tried another PC (another W11 PC).
Yes, have tried another cable (both high speed purple and low speed).
Yes, have tried another phone on both PCs and that shows fine.
What worries me a little is that Device Manager doesn't show anything connected to the PC when I connect the phone.
Turns out you need the official Samsung cable, which is USB-C to USB-C only.
My PC doesn't have a USB-C connector so looks like I'm gonna have to purchase one.
Shame they've gone the Apple route - my old Huawei P30 Pro will connect for data transfer using any old cable, of which we have loads around these days.
anotherxdauser said:
Turns out you need the official Samsung cable, which is USB-C to USB-C only.
My PC doesn't have a USB-C connector so looks like I'm gonna have to purchase one.
Shame they've gone the Apple route - my old Huawei P30 Pro will connect for data transfer using any old cable, of which we have loads around these days.
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Pretty sure this is false. My S21U gets recognized on my PC with a normal USB A to USB C cable.
Agreed. That is just not true, I've used a USB A to C worked fine
Hmm, maybe my three cables I tried are too old?
They're from Amazon and don't particularly state they work with Samsung phones.
The plot thickens.