Hi Guys,
Please help me, i have installed adb, usb drivers also tried with vcom drivers but sp tool not detecting my phone.
when i connect phone switch on and usb debugging on device manager shows it (ADB and device in portable both) but switch off phone does not come in device manager (in my magnus /A1117 mtk preloader device used to come but nothing for this device).
Tried on both win7 and win8.
Not rooted or unlocked bootloader yet, want to get working sptool first before going for root.
Thanks in advance.
did you find solution for this my device on pc mtk preloader also not detecting ... but fastboot works ?? how to get back to total stock
Hi Everyone,
I seem to have bricked a nexus 2013 wifi. At first, it was having movie playback issues so I restored it to lollipop using factory image on the google site. I decided to get OTA up to the latest MM. So far so good. But I though about putting a custom rom to it. So I installed TWRP 3.02 for flo and flashed PN MM with the recommended GAPPS. Kernel was what came with it. It worked fine until this morning when I realized that the touchscreen was not responding. I went to BL mode and into recovery. TWRP came up but touch was not responding as well.
So, I connected the device to my PC. It now shows unrecognized device. It still charges and all that but It is now stuck on the google logo. when I go to TWRP, touch wont work. I have tried another cable, still the same. My N6 is detected without issues using the same PC and cable. Since there are no drivers, I cannot reflash anything...
Any thoughts? Or am I just lucky to have bricked it? Appreciate any inputs that will be thrown in this direction. Cheers!
Hi, N7 motherboard gets touch, USB, accelerometer and compass data via the wide silver cable which often suffers from poor contact. Please try this first. If it is still not fixed, then in fastboot mode run and post the output of the following commands:
Code:
fastboot getvar all
fastboot oem gpt-info
fastboot format cache
Thanks for the help. hmm.. i pressed that part and it booted up to PN, touch is working as well. Not sure if that fixed it but if it happens again im gonna try to press that area. however, its still not detecting the device. I see it in Device manager, it says unknown device and will not take any driver, so fastboot is not an option for me atm.
so just an update. when I was able to boot up, it will not go landscape no matter what. I downloaded check my android and it the tests for compass and sensors were not responding. I decided to open the back cover, it was fairly easy. The thing is I have not the right tools to reseat the silver flex cable and I fear I might damage it, so I tried putting folded paper on to where it connects to on both ends. Now the thing works with landscape and so far, have not experienced touch issues or no boot issues.
I still do not have access to fastboot, though, as it still isnt detected by my computer. so I may have to stick to putting stuff to it over the air. Or should I just reseat that cable? Does it just slide out?
welxiii said:
I still do not have access to fastboot... should I just reseat that cable?
Click to expand...
Click to collapse
Yes, re-seat the cable, but be careful, disconnect the internal black battery plug first and watch this video about ribbon cable connector handling.
As your main N7 problem is now resolved, we don't need the fastboot commands anymore. The USB detection issue may have something to do with the custom OS you flashed. Also note that N7 has several USB modes of operation with distinct IDs:
Code:
Qualcomm HS-USB Diagnostics 9006 - USB\VID_05C6&PID_9006
Qualcomm HS-USB Diagnostics 9008 - USB\VID_05C6&PID_9008
Android Bootloader Interface - USB\VID_18D1&PID_4EE0
Android ADB Interface - USB\VID_18D1&PID_D002
Android ADB Sideload - USB\VID_18D1&PID_D001
MTP or charging mode - USB\VID_18D1&PID_4EE1
PTP mode - USB\VID_18D1&PID_4EE5
MIDI input - USB\VID_18D1&PID_4EE8
What's the VID/PID of the non-detected device?
Does ADB work if you start TWRP?
Have you actually put your N7 in fastboot mode (when off press power+vol.dn)? Does PC detect it?
Is an OTG flash drive recognized?
Maybe Windows has a driver problem - does it work from live Linux?
k23m said:
Yes, re-seat the cable, but be careful, disconnect the internal black battery plug first and watch this video about ribbon cable connector handling.
As your main N7 problem is now resolved, we don't need the fastboot commands anymore. The USB detection issue may have something to do with the custom OS you flashed. Also note that N7 has several USB modes of operation with distinct IDs:
Code:
Qualcomm HS-USB Diagnostics 9006 - USB\VID_05C6&PID_9006
Qualcomm HS-USB Diagnostics 9008 - USB\VID_05C6&PID_9008
Android Bootloader Interface - USB\VID_18D1&PID_4EE0
Android ADB Interface - USB\VID_18D1&PID_D002
Android ADB Sideload - USB\VID_18D1&PID_D001
MTP or charging mode - USB\VID_18D1&PID_4EE1
PTP mode - USB\VID_18D1&PID_4EE5
MIDI input - USB\VID_18D1&PID_4EE8
What's the VID/PID of the non-detected device?
Does ADB work if you start TWRP?
Have you actually put your N7 in fastboot mode (when off press power+vol.dn)? Does PC detect it?
Is an OTG flash drive recognized?
Maybe Windows has a driver problem - does it work from live Linux?
Click to expand...
Click to collapse
I'm also having issues with the sensors not working, I re-seated the cable multiple times already and that fixes it temporarily but it keeps coming back. I even tried to use loads of tape to make sure it never comes off but it still stopped working after about a week
noahvt said:
I'm also having issues with the sensors not working, I re-seated the cable multiple times already and that fixes it temporarily but it keeps coming back. I even tried to use loads of tape to make sure it never comes off but it still stopped working after about a week
Click to expand...
Click to collapse
The next step:
disconnect the ribbon cable from both the mobo AND daughterboard
spray the cable's and PCB connectors' contacts with Electronic Cleaner
reconnect and relock
k23m said:
Yes, re-seat the cable, but be careful, disconnect the internal black battery plug first and watch this video about ribbon cable connector handling.
As your main N7 problem is now resolved, we don't need the fastboot commands anymore. The USB detection issue may have something to do with the custom OS you flashed. Also note that N7 has several USB modes of operation with distinct IDs:
Code:
Qualcomm HS-USB Diagnostics 9006 - USB\VID_05C6&PID_9006
Qualcomm HS-USB Diagnostics 9008 - USB\VID_05C6&PID_9008
Android Bootloader Interface - USB\VID_18D1&PID_4EE0
Android ADB Interface - USB\VID_18D1&PID_D002
Android ADB Sideload - USB\VID_18D1&PID_D001
MTP or charging mode - USB\VID_18D1&PID_4EE1
PTP mode - USB\VID_18D1&PID_4EE5
MIDI input - USB\VID_18D1&PID_4EE8
What's the VID/PID of the non-detected device?
Does ADB work if you start TWRP?
Have you actually put your N7 in fastboot mode (when off press power+vol.dn)? Does PC detect it?
Is an OTG flash drive recognized?
Maybe Windows has a driver problem - does it work from live Linux?
Click to expand...
Click to collapse
Hi,
I really appreciate the assistance. Well, here's what I found.
[*]What's the VID/PID of the non-detected device? USB\VID_0000&PID_0002\6&688A3B8&0&2
[*]Does ADB work if you start TWRP? I don't think it does. In TWRP, I still get a message on my computer that the device has failed. DM shows the device as unknown usb device (device descriptor request failed)
[*]Have you actually put your N7 in fastboot mode (when off press power+vol.dn)? Does PC detect it? no it doesnt. same error as above.
[*]Is an OTG flash drive recognized? yes it does.
[*]Maybe Windows has a driver problem - does it work from live Linux? I'm still working on this. btw the same setup works on my phones and they are detected just fine.
update:
Suddenly its now detected by my pc. I connected my usb otg. At first,. It wasnt detected so I tried the usb on my nex6 and it worked. I connected it back to the 7 and voila! No error and DM now shows it as an android device. Whew!
But I have one question, is it safe to leave the folded papers i placed on both ends of the silver connector?
welxiii said:
Suddenly its now detected by my pc...
...is it safe to leave the folded papers i placed on both ends of the silver connector?
Click to expand...
Click to collapse
Yes.
As I mentioned earlier, the silver cable also connects USB data, so if you experience USB detection problems again, then do full re-seating with clean-up.
Cheers :highfive:
Thanks again for the assistance. Hopefully, it doesn't come to that.
unbricked my google nexus 7 tablet
if anyone has bricked there nexus 7 wifi tablet.....you can now unbrick it with the skipsoft toolkit. my tablet was bricked for awhile (it was stuck on the google logo and when I tried to boot into the twrp recovery it showed the android bot with an exclamation point so I was screwed big time) so I just brought another one (different version). after awhile I gave up hope, but today I decided to unbrick it (or atleast try to). at first I was using the nexus toolkit like I did before and I was having problems with it being recognized via adb and it wouldn't flash the stock recovery.img. than I remembered that I also had the skipsoft toolkit installed on my computer and the nexus 7 tablet was also supported on that toolkit so I decided to give it a try. at first, since I had it plugged in, it wouldn't recognize that it was plugged in not realizing that I had to download all the images and recoveries it needed to be able to root it and return it to stock if necessary so I did that and when I finished installing everything it detected that my device was in fastboot mode. I flashed the stock recovery image and it booted up like it was suppose to. I'm writing this just incase so one has bricked there device and has lost all hope in fixing there mistake. I love android and recently have a lg nexus 5x that's rooted with a custom rom on android 7.0 nougat. android is awesome
who ever developed the skipsoft toolkit....your awesome and thankyou for making this possible.
I bought my new OnePlus 3 and it's updated to Android N (7.0) and OOS 4.0.3 but when I connect it to my laptop (Windows 10), it only charges and my laptop doesn't recognise it. I've tried enabling and disabling USB Debugging, usb connection mode on developer options is stuck at charging and in the device manager it shows an unknown usb device (Device Descriptor Request Failed)
Please help. It's stock and with locked bootloader​
Have you installed oneplus drivers yet?
I downloaded them from the net and they're installed. I've also disabled driver signature verification in my laptop.
I cannot change usb configuration to mtp or anything else. It stays stuck at charging.
Please help ASAP or I would have to return the phone.
Thanks in advance
Hi All, I tried All drivers in nexus root tool kit and many other methods to uninstall all other usb drivers and then install google. But it al ways shows up as "Unknown USB Device (Device Descriptor Request Failed)". I have also tried changing the micro usb port. Charging works.Not sure whats the issue. Only fastboot mode its recognized (when i do fastoob devices, it shows with device ID ) but after i reboot into bootloader or just as MTP, its not get the above error ! . Please help !
DEVICE is : nexus 7 2013 wifi (flo) running 6.0.1
Good Morning.
my device ASUS ZENFONE 2 ZE551ML
I was updating it to Android M. I downloaded the package from official website. and was upgrading it via SD card.
the phone was 100% charged. once it reached the ANDROID logo (installing update), it automatically rebooted.
and since then it would restart, installing update and back to reboot.
I booted in recovery mode and tried applying the update from there and there also it reboots.
So I decided to Flash the phone, I downloaded all drivers, all files, everything that is needed.
but whenever I connect the phone to my computer, it just shows USB device unrecognized.
I have tried
>Installed Universal ADB driver
>google USB drivers
>Intel drivers
>intel iSOC driver
>ASUS driver
>Replaced the cable twice
Please help to solve the issue of "unrecognized USB device"
patel yash said:
Good Morning.
my device ASUS ZENFONE 2 ZE551ML
I was updating it to Android M. I downloaded the package from official website. and was upgrading it via SD card.
the phone was 100% charged. once it reached the ANDROID logo (installing update), it automatically rebooted.
and since then it would restart, installing update and back to reboot.
I booted in recovery mode and tried applying the update from there and there also it reboots.
So I decided to Flash the phone, I downloaded all drivers, all files, everything that is needed.
but whenever I connect the phone to my computer, it just shows USB device unrecognized.
I have tried
>Installed Universal ADB driver
>google USB drivers
>Intel drivers
>intel iSOC driver
>ASUS driver
>Replaced the cable twice
Please help to solve the issue of "unrecognized USB device"
Click to expand...
Click to collapse
take a look here i had a similar situation and this guide helped me
https://forum.xda-developers.com/zenfone2/general/guide-clean-pc-drivers-reinstall-adb-t3148941