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As per the title, device manager doesn't change when I plug the phone in, tried two different computers and two different cables, flashed the stock firmware back, and still nothing.
It charges when I plug it in and SOMETIMES brings up the MTP-Initialization logo thing, but never gets any further.
Is my GS2 goosed yet again?
Edit: Tried on my PS3 as well and still charges, but won't ask to mount the SD card or anything, so I'm back to my trusty HTC HD2, wondering whether I should sell the GS2 once it's repaired and get a Galaxy Nexus...
Hah, another HD2 veteran, it's like everyone from the HD2 forum is now here... even the devs. Anyway, may be a stupid question, but are you always trying with the same USB cable?
Disable usb debug mode
Sent from my GT-I9100 using xda premium
Tried two different cables as stated in my OP, and it doesn't matter whether USB Debugging is on or off. I'm taking it back to the service centre after work today, and I'm probably going to sell it after.
I've had the camera go.
I've had it not vibrating at all.
I've had problems with spots on the camera lens.
I think I'm going to put some money to the sale of it, and get a Galaxy Nexus, hopefully the built quality will be at least a little better...
Solution is in the phone
Dear All
Following are my observations and possible steps to
1. When the phone is upgraded to Android 2.3.4 and above (mine is 2.3.6) Kies stops recognizing the phones and USB connection / Serial port connections etc get reset on the phone
2. Even if proper drivers are there on the laptop (mine is Windows 7 64bit) they are not recognized
3. Device Manager shows "unknown device"
4. Updating the driver also does not result in any help
5. solution lies in the phone
a. key in the dialer *#7284#
b. it has 4 option there..
UART (MODEM/PDA)
USB (MODEM/PDA)
c. For USB. select the PDA.if it already selected to PDA. reselect it by select MODEM and then PDA again.. Only change the USB setting.. andthen press back. try reconnect (thanks to napi1 @ androidforums.com/samsung-galaxy-s2-international/447145-sgs2-kies-not-syncing-os-2-3-5-a.html#post3484588)
6. The Laptop will start recognizing the required drivers and install them
also
Phone is not recognized by laptop when it is in USB debug mode, MyPhoneExplorer does not recognize when it is not in Debug mode
Hope this helps
My setup
Samsung Galaxy S2 GTI9100G (not rooted)
Android 2.3.6 (upgraded on Dec 8th from Samsung link in the phone)
Windows 7 64 Bit
Dear All
Following are my observations and possible steps to
1. When the phone is upgraded to Android 2.3.4 and above (mine is 2.3.6) Kies stops recognizing the phones and USB connection / Serial port connections etc get reset on the phone
2. Even if proper drivers are there on the laptop (mine is Windows 7 64bit) they are not recognized
3. Device Manager shows "unknown device"
4. Updating the driver also does not result in any help
5. solution lies in the phone
a. key in the dialer *#7284#
b. it has 4 option there..
UART (MODEM/PDA)
USB (MODEM/PDA)
c. For USB. select the PDA.if it already selected to PDA. reselect it by select MODEM and then PDA again.. Only change the USB setting.. andthen press back. try reconnect (thanks to napi1 @ androidforums.com/samsung-galaxy-s2-international/447145-sgs2-kies-not-syncing-os-2-3-5-a.html#post3484588)
6. The Laptop will start recognizing the required drivers and install them
also
Phone is not recognized by laptop when it is in USB debug mode, MyPhoneExplorer does not recognize when it is not in Debug mode
Hope this helps
My setup
Samsung Galaxy S2 GTI9100G (not rooted)
Android 2.3.6 (upgraded on Dec 8th from Samsung link in the phone)
Windows 7 32 Bit
Thank you !!!
Unbelievable! Thank you soo Much!
Helps also on Mac 10.6.8
Thanks a lot mate..I was afraid that i'll have to take it to service center. This helped me.
thanks people!...even i had upgraded to 2.3.6 and usb mode just wouldnt work....
this solved that problem though..
Fantastic tip!
It worked! Now my S2 can be detected by the PC.
Thanks a million!
Doing a factory reset after backing up data will solve the problems.
Still Hasn't worked for me. I'm getting no USB function other than Charge. Its working as if the USB isn't plugged in at all.
Is there anyway of reinstalling the MTP application on the phone? When i find it through App manager its showing with no size and no options inside (clear data or clear cache)
Kies isn't working as far as the phone is concerned there is no USB connection at all.
I know ICS is coming within a few days for GS2 owners, will this clear the problem???
So frustrating.
Thanks in advance if anybody can help
SG2-Nick said:
Still Hasn't worked for me. I'm getting no USB function other than Charge. Its working as if the USB isn't plugged in at all.
Is there anyway of reinstalling the MTP application on the phone? When i find it through App manager its showing with no size and no options inside (clear data or clear cache)
Kies isn't working as far as the phone is concerned there is no USB connection at all.
I know ICS is coming within a few days for GS2 owners, will this clear the problem???
So frustrating.
Thanks in advance if anybody can help
Click to expand...
Click to collapse
same with mine. mine still doesnt work with the dialer *#7284# and with debugging off or on. ive unistalled and reinstalled the driver serveral times and nothing and this has happened to me on my hero and my sgs2 dozens of times, its so annoying =[. at one point i manged to get all but the usb storage drivers installed. what else can i do ???
Same problem
Same problem here, tried everything (to my knowledge). Someone told me it had to do with the battery overheating because I had use the charger from another phone. For about 2 days my phone would go on vibrate randomly and started the connection process (like a usb cable was connected). It could do that non stop for a few hours. Now that Im back to my original charger, it stoped, but still can't connect to my pc.
I tried on 3 diff PCs with diff version of windows...
I've tried everythin, debug mode on/off, reinstalled Kies, drivers, did factory reset, but nothing.. when i try to connect my SGSII to Kies, it writes "Current connection mode not supported by Kies".. I'm on Lite'ning rom v2.2..
If you're running a custom rom, why would you want to use Kies ? It's awful. There are so many other apps that have the same functionality as Kies (tho granted not one app that does everything Kies does) that work perfectly with custom roms.
Only reason to use Kies would be if you went back to stock because you wanted official ICS OTA or similar IMHO.
I did a backup with Kies, now my all contacts, sms, videos, music, calendar are in this f***in' backup file.. :| I have an awfull headache Or i can do a restore with another app, will it be compatible with Kies's backup file?
same problem. USB connection to PC will only charge. Recently updated to 2.3.6.
Tricky one.
----------EDIT---------
it worked ok after rebooting my PC. Must just be general crapiness.
Ashtwinks said:
Dear All
Following are my observations and possible steps to
1. When the phone is upgraded to Android 2.3.4 and above (mine is 2.3.6) Kies stops recognizing the phones and USB connection / Serial port connections etc get reset on the phone
2. Even if proper drivers are there on the laptop (mine is Windows 7 64bit) they are not recognized
3. Device Manager shows "unknown device"
4. Updating the driver also does not result in any help
5. solution lies in the phone
a. key in the dialer *#7284#
b. it has 4 option there..
UART (MODEM/PDA)
USB (MODEM/PDA)
c. For USB. select the PDA.if it already selected to PDA. reselect it by select MODEM and then PDA again.. Only change the USB setting.. andthen press back. try reconnect (thanks to napi1 @ androidforums.com/samsung-galaxy-s2-international/447145-sgs2-kies-not-syncing-os-2-3-5-a.html#post3484588)
6. The Laptop will start recognizing the required drivers and install them
also
Phone is not recognized by laptop when it is in USB debug mode, MyPhoneExplorer does not recognize when it is not in Debug mode
Hope this helps
My setup
Samsung Galaxy S2 GTI9100G (not rooted)
Android 2.3.6 (upgraded on Dec 8th from Samsung link in the phone)
Windows 7 64 Bit
Click to expand...
Click to collapse
Won't work on my samsung galaxy s2 (ICS 4.0.3) - windows Xp (sweet)
:crying: i have hp laptop with windows 8.1 enteprise after install windows 8.1 enterprise all goes well my sola can connect fastboot flashmode and also mass storage but suddenely i cant connnect it via as maas storage(flashmode,fastboot) its show only charging plsss help me guysss:crying:
no idea for win 8.1 , but you can try this.
http://forum.xda-developers.com/showthread.php?t=2095087
it is probably a driver problem and generally happens in win8/8.1, when you perform updates in windows.
NOTE : make sure that you are not trying to connect the phone to usb 3.0 or above, the last time i checked, our phones does not support such connection.
--------------------
if you have flashed some ROM, and it changes the device id, like LT27i to LT27a ( check it in settings ), then installing proper drivers of flashtool might correct your problem.
rim01126 said:
:crying: i have hp laptop with windows 8.1 enteprise after install windows 8.1 enterprise all goes well my sola can connect fastboot flashmode and also mass storage but suddenely i cant connnect it via as maas storage(flashmode,fastboot) its show only charging plsss help me guysss:crying:
Click to expand...
Click to collapse
i tried it all but i remember week ago i use duplicate charger then it short circuit and second day when i connect my mobile in pc its not recognize only charging show
plssss helplppp me guys:crying:
try connecting your phone with win xp/7 pc ( any friend's or neighbor's ). if the device is not recognized as a peripheral even once in any and all of the pc, then you should get the usb port checked. lets hope everything is all right !
connect your phone in xp/7 and look for any drivers installing notification in task bar.
if not, go to device manager and look for the device in all usb ports the pc has.
i suggest you to try this in 2 computers. if any one has ubuntu ( or any other linux distro ), you can try that too.
rim01126 said:
i tried it all but i remember week ago i use duplicate charger then it short circuit and second day when i connect my mobile in pc its not recognize only charging show
plssss helplppp me guys:crying:
Click to expand...
Click to collapse
thnkx bro but already try its but no result only charging start when i connect my sola in pc i think i fried my charging port and bootloader plssa give me any procedure for fix this problem and my sola is now running carbon rom cm11 but i wanna go to ics then i want help plss help me and sorry for my bad English
Hello to all,
I have at present the same problem as gnocko
Explanation:
I purchased recently a galaxy s6 ( SM-G920F), Roma G920FXXS4DPG2 XEF 6.0.1.
Some day after his(its) purchase, he(it) is not any more recognized by the pc. The notification of choice of the mode of connection is not present any more, he is notified a just man " load by cable ".
He(It) is recognized with smart switch and nothing near(on the side of) ring roads(peripherals) pc.
I thus have to make several manipulations separately:
- Change the mode USB in the " Options of development ".
- Activate the debugging USB in the " Options of development ".
- To Change cable, I used 6 different cables Samsung (functional on other smartphones).
- To Change of pc, I made the test on 5 pc different in passing for the installation of the driver
- Reinstall the Roma via odin (files taken with the links of the forum and all the wipes was realized).
None of these manipulations solved the problem.
The only moment when this one is recognized by pc, it is in mode(fashion) odin download.
The otg is functional.
Would you have an idea of the problem?
Thank you in advance for your answers.
I own an amazfit pace smartwatch,bought 2 weeks ago.When i connect it with my PC and laptop(windows 10 & 7) via usb cable they don't recognize it as hard disk in order to see watch folders and import some music following the correct instructions.I hear the characteristc sound when i connect usb.When i browse to device manager i notice that in windows 10 there is no problem with drivers but in windows 7 there are drivers missing.I try to use the download online function but with no result.I feel that is a very simple problem but i am very frustrated because i can't find any solution.Also i am really impressed that it isn't reported such a problem in your great forum,or i didn't notice it browsing the threads.Thank you in advance for your help!!!
Did you tried with restarting watch? Or maybe hard reset of watch? Try also another USB cable.
have same problem, try every pc, new and old windows .. one of the solution i clean the contact point behind the watch, is blocked with our dead skin
I face the same problem, I uninstall the driver from the device manager and re-plug again, now it can detect now.
i used new usb cable--> problem remains
i restarted watch-->problem remains
i cleaned the contact point-->problem remains
i uninstalled the driver(windows 10) and reinstalled it-->problem remains
i uninstalled the driver(windows 7) and reinstalled it-->PROBLEM SOLVED
But my main PC runs windows 10.There must be a simple solution...
the last solution so far is the hard reset.I will inform you when i try it..
I solved my problem. When you connect amazfit it will appear in devices and printers. When you right click it and open properties (somewhere there) you can change the driver from google nexus adb interface to USB composite device. Then It will appear as disk in my computer.
onisimos said:
i used new usb cable--> problem remains
i restarted watch-->problem remains
i cleaned the contact point-->problem remains
i uninstalled the driver(windows 10) and reinstalled it-->problem remains
i uninstalled the driver(windows 7) and reinstalled it-->PROBLEM SOLVED
But my main PC runs windows 10.There must be a simple solution...
the last solution so far is the hard reset.I will inform you when i try it..
Click to expand...
Click to collapse
Mine working on Windows 10, detected as MTP device. I do have ADB universal drivers installed but it also works on my Win 8 laptop with no additional drivers installed.
I'm suffering the same problem after many changes of rom and music uploading in the last months. Now the watch is not recognized (unknown device error 43) under 3 w10 PCs, different cables and usb ports. Cleaned contatcs and charging properly but no way to connect with the PC. Desperated...
Any help or piece of advice are welcome
onisimos said:
i used new usb cable--> problem remains
i restarted watch-->problem remains
i cleaned the contact point-->problem remains
i uninstalled the driver(windows 10) and reinstalled it-->problem remains
i uninstalled the driver(windows 7) and reinstalled it-->PROBLEM SOLVED
But my main PC runs windows 10.There must be a simple solution...
the last solution so far is the hard reset.I will inform you when i try it..
Click to expand...
Click to collapse
Could you please share the driver link by any chance? .....I couldn't find one ...as I saw from internet I need something like MTP driver...tho all the things are done manually .. so complicated..im using win10 64bit as well, a surface pro4 and my amazfit rom is 1.3.4f thank you!
Windows 10 comes with the MTP driver, so that is not the problem.
I have seen it numerous times that the watch charges but it doesn't get a pc connection.
It is always connected to a bad contact on the back.
Either you have to clean the contacts better or your dock is not working reliable.
A co worker of mine had that and he tried my dock and it worked, so he ordered a cheap one ( not that "bridge" thing ) from ali.
Working since then.
Problem solved
I had same issue but manage to resolve. Go to device manager - USB controllers - right click on the device not found - Update driver s/w - Browse my computer for driver s/w - Let me pick from a list - Untick "show compatible hardware" - Choose Manufacture: standard USB host Controller & Model: USB Composite Device - click next.
I don't know what happened to my Pace. I could connect to it with no problems until now (last PaceFIED I installed was rel 30). Back then (two weeks ago) everything went smoothly, but now when I connect my Pace, "adb devices" can't find the watch. Adb drivers are installed (minimal_adb_fastboot_v1.4_setup.exe). I have changed NOTHING on my computer since the last time I connected the watch, but now it can't find it.
I have cleaned the contacts, restarted the Pace... Nothing is helping. Anyone have any idea?
EDIT: Never mind. The post right above helped
quick fix
I had installed adb correctly so what I do ?
For me worked to clean pins in smartwatch gently with toothpick and after that connect it again to the docking station/charger.
I don't have your luck guys. Watch is new so clean (but I still tried to clean the pins), I have no "device not found" and not a single sound when connecting the watch on 3 different computers.
The charge indicators is showing tho... so the watch receive power from computer usb ports...
any idea ?
Has anyone tried changing the USB port settings to control power? It's in the device manager for the USB ports (properties). That worked for me (found it on the net with a similar issue)
I solved my problem with the most stupid change I could do...
I read somewhere (can't even find it) that some people have had problems with the original usb cable... After 5 hours of adb drivers installations, factory reset and whatever, I just remembered that sentence and changed my usb cable. Now it's working perfectly.
While it's so simple that you can think "how couldn't he think of that before?"
Answer is : the watch is charging so no reason to be suspicious...
That could help someone would just bought it...
I resolved this problem, just connected USB cable on other port.
zelitrex36 said:
I don't have your luck guys. Watch is new so clean (but I still tried to clean the pins), I have no "device not found" and not a single sound when connecting the watch on 3 different computers.
The charge indicators is showing tho... so the watch receive power from computer usb ports...
any idea ?
Click to expand...
Click to collapse
I have the same problem
greg_h_w said:
I have the same problem
Click to expand...
Click to collapse
As stated in my previous message, I'd solved my problem by plugging another USB cable. Did you try a wire of yours?
zelitrex36 said:
As stated in my previous message, I'd solved my problem by plugging another USB cable. Did you try a wire of yours?
Click to expand...
Click to collapse
Yeah, I already try to change the cable with another one, but still no luck. This is weird to me because before that I can use that cable to connect it with my PC and now it doesn't detect at all, only work for charging. And if I use that cable to connect phone it work normally
My phone previously transferred the file to the computer as usual.
Yesterday when I connected to the computer. The phone is currently charging only and no notifications are displayed on the computer ( maybe on the previous connection I chose to charge only without transferring the file when connected to the computer)
I tried every possible way such as changing cap, changing pc (win 7, win 10), restoring factory settings, USB debugging, develope option ... but all failed.
I'm not good at english so I used google translate. . sorry for the inconvenience
Pls Help !!!
Android 9 Pie
https://drive.google.com/open?id=1Su...dQX3AVi3DSSs2s
https://drive.google.com/open?id=1Sr...3-lZJk8nTcL6V_
https://drive.google.com/open?id=1Sq...5D15WiuB43GKAT
https://drive.google.com/open?id=1Sp...B8A_ESW37MiCk5
Seiraaa said:
My phone previously transferred the file to the computer as usual.
Yesterday when I connected to the computer. The phone is currently charging only and no notifications are displayed on the computer ( maybe on the previous connection I chose to charge only without transferring the file when connected to the computer)
I tried every possible way such as changing cap, changing pc (win 7, win 10), restoring factory settings, USB debugging, develope option ... but all failed.
I'm not good at english so I used google translate. . sorry for the inconvenience
Pls Help !!!
Click to expand...
Click to collapse
My problem is similar to this article https://forum.xda-developers.com/lg-v30/help/usb-file-transfer-issues-phone-linux-t3762401