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[Q] Lost USB connection with CM10.1 M2

Every thing was fine while my nexus s istalled CM10.
But after I install CM10.1 M2,I lost my USB connection.
I get the following when the cable is connected: "USB device not recognized".
I tried on different computers and usb cables then got same "USB device not recognized".
After I google that, They said install an app called "USB Switcher". Open it and clicked change to mass storage
and reboot. Then my computer still said "USB device not recognized".
I found the cyanogenmod official forum. There was a man got same proble. I post my story.
but did not get reply.
I thought it may be a bug with MTP transfer mod.
But I did got more information about that.
I thought it may be a bug for CM10 ,but now I intalled CM10 MOD from CM10 M2 TO RC5. Still got same thing.
So I come here for help.
Thanks in advance for any suggestions.

Hi there mate,
try this method :
http://forum.xda-developers.com/showthread.php?t=1901617
cheers

That did not help.
eytan123 said:
Hi there mate,
try this method :
http://forum.xda-developers.com/showthread.php?t=1901617
cheers
Click to expand...
Click to collapse
Hi there
That did not help.
The problem happened after I upgraded CM10.1 CM2 from CM10.1 CM1.
What I did is that just wiped data,cache and install CM10.1 CM2. Then I lost USB connection.

No Prompt for USB storage when connected to PC
Hi, I notice that i am having a problem since some days that am not getting the prompt for USB storage when connected to my Laptop.
I tried all possible solutions changing cables, mounting SDcard from boot, etc etc and also chnaged back an older update of the current ROM. But nothing seems to work. Please help
Model - Nexus S
Android Version : 4.2.2
Baseband Version: I9020XXKI1
Kernel Version: 3.0.50-Cynogenmod-gb97752e [email protected] #1
Fri Jun 7 19:30:29 IST 2013
CPU ARMv7 Processor Rev 2(v71)
Memory: 396
Avatar ROM Version: 2.14b- 1029 20130607-crespo
Build Date Fri Jun 7 19:22:06 IST 2013
Build Number : cm_crespo-userdebug 4.2.2JDQ39E 1029 dev-keys
Vijay

[email protected] said:
Every thing was fine while my nexus s istalled CM10.
But after I install CM10.1 M2,I lost my USB connection.
I get the following when the cable is connected: "USB device not recognized".
I tried on different computers and usb cables then got same "USB device not recognized".
After I google that, They said install an app called "USB Switcher". Open it and clicked change to mass storage
and reboot. Then my computer still said "USB device not recognized".
I found the cyanogenmod official forum. There was a man got same proble. I post my story.
but did not get reply.
I thought it may be a bug with MTP transfer mod.
But I did got more information about that.
I thought it may be a bug for CM10 ,but now I intalled CM10 MOD from CM10 M2 TO RC5. Still got same thing.
So I come here for help.
Thanks in advance for any suggestions.
Click to expand...
Click to collapse
i son't think it's rom related, i had the same issue with others rom, i asked here but nobody answered me... anyway i found that if you pullout battery then go in recovery fix permission and reboot it starts working again... i think it's some kind of error in the file system, propably the best solution would be to format the partition deleting all data on SD... i'm not able to understand what caused this, one thing i did, but i don't know if it's related, was using LAGFIX and trimming system and data... u can try to mount USB from recovery and see if that works, what recovery are you using ???

kriout said:
i son't think it's rom related, i had the same issue with others rom, i asked here but nobody answered me... anyway i found that if you pullout battery then go in recovery fix permission and reboot it starts working again... i think it's some kind of error in the file system, propably the best solution would be to format the partition deleting all data on SD... i'm not able to understand what caused this, one thing i did, but i don't know if it's related, was using LAGFIX and trimming system and data... u can try to mount USB from recovery and see if that works, what recovery are you using ???
Click to expand...
Click to collapse
My recovery is ClockworkMod Recovery v6.0.3.1
I got a way from cm forum。 They said pullout the battery and hit power button random then it will work。But that didn·t help。
I tried your method fix permissions. reboot... IT`s did not work. I try to recheck the USB DEBUG MODE。 It's reboot ...
after all. Noting changed...
I will backup my phone. And try to repartition .and install the latest CM 10.1.0 http://get.cm/get/8Li .

that one is the last cwm recovery and usb mount doesn't work in that ... try last philz touch recovery u can find it here http://d-h.st/users/philz_touch/?fld_id=16784#files and try again, try mounting usb from recovery and see if it works, try flashing another kernel and fix permission againg, it may works the second or third time maybe ...

How to use this Philz Touch recovery?
Hi Kriout, I am unable to access my phone from my computer for about a week now. Earlier it was working fine. I tried resetting the usb ports by uninstalling and re-installing them. only once myphone (Nexus s I9020) is recognized as an unknown device but Windows 7 unable to update the drivers or find them for this device.
If I want to even go back to stock rom ( I am currently using Avatar ROM 4.2.2(android) ) as i am unable to access my phone via computer.
I tried going back to older updates of Avatar Rom to see if its the ROM which might be the issue, but that didn't work either.
I tried mounting the USB/SD via the bootloader but no use.
Can you help me please?
Vijay

paydy12 said:
Hi Kriout, I am unable to access my phone from my computer for about a week now. Earlier it was working fine. I tried resetting the usb ports by uninstalling and re-installing them. only once myphone (Nexus s I9020) is recognized as an unknown device but Windows 7 unable to update the drivers or find them for this device.
If I want to even go back to stock rom ( I am currently using Avatar ROM 4.2.2(android) ) as i am unable to access my phone via computer.
I tried going back to older updates of Avatar Rom to see if its the ROM which might be the issue, but that didn't work either.
I tried mounting the USB/SD via the bootloader but no use.
Can you help me please?
Vijay
Click to expand...
Click to collapse
- you should first try to understand if it's a driver problem or a smartphone problem, try to mount USB on other pc
- if they doesn't work you should try to mount it in recovery, use TWRP, an old CWM ( in the last one this function doesn't work) or the philz recovery that u find here http://d-h.st/users/philz_touch/?fld_id=16784#files, try to fix permission, wipe cache and dalvik and pullout battery alos several time if it doesn't work. i found out that for me pulling out battery entering recovery fixing permission, shut down, pull out battery entering recovery and mounting USB often worked... you can try also using different kernel,
- my idea is that the problem is an error in the SD file system so propably the best solution could be formatting the unity from the smartphone itself. i still didn't do it but i made a good cleanup of all folder, even the system file and system folder, leaving jjust music photo and download...
- if everything works in recovery but not in the rom, it could be a kernel or a rom problem, so first change the kernel, if doesn't work make a clean install of something else ... i'm using MIUI v5 with marmite 8.7bigmem and for now everything started working again ...

Thanks
kriout said:
- you should first try to understand if it's a driver problem or a smartphone problem, try to mount USB on other pc
- if they doesn't work you should try to mount it in recovery, use TWRP, an old CWM ( in the last one this function doesn't work) or the philz recovery that u find here....... try to fix permission, wipe cache and dalvik and pullout battery alos several time if it doesn't work. i found out that for me pulling out battery entering recovery fixing permission, shut down, pull out battery entering recovery and mounting USB often worked... you can try also using different kernel,
- my idea is that the problem is an error in the SD file system so propably the best solution could be formatting the unity from the smartphone itself. i still didn't do it but i made a good cleanup of all folder, even the system file and system folder, leaving just music photo and download...
- if everything works in recovery but not in the rom, it could be a kernel or a rom problem, so first change the kernel, if doesn't work make a clean install of something else ... i'm using MIUI v5 with marmite 8.7bigmem and for now everything started working again ...
Click to expand...
Click to collapse
Here's what i Did. I did install Philz touch recovery. Its very useful. I also installed the Nexus Root Toolkit (NRT). Using NRT I launched the USBDeview. Using this i removed all the google related drivers from the system. I then restarted my phone is bootloader mode and restarted my system as well. Now my System was trying to install the nexus S drivers but unfortunately it said that the device in disconnected. But then in bootloader mode i put the phone in Mount USB storage mode and VOILA i was able to see all my files. I did take a quick back up . But still in the normal mode i was not getting the USB Storage prompt. Now i went back to the bootloader and did a factory reset. and then installed the Latest Avatar ROM. and now I am able to access the Phone storage through my computer.
I am not sure if i had deleted some files by mistake or some other issue. And thank for referring the Philz Touch Recovery. Its great.
Now am thinking of installing the Stock ROM for NEXUS S back on to my Phone. Do you think its a good Idea?
Thanks for all the help mate.

paydy12 said:
Here's what i Did. I did install Philz touch recovery. Its very useful. I also installed the Nexus Root Toolkit (NRT). Using NRT I launched the USBDeview. Using this i removed all the google related drivers from the system. I then restarted my phone is bootloader mode and restarted my system as well. Now my System was trying to install the nexus S drivers but unfortunately it said that the device in disconnected. But then in bootloader mode i put the phone in Mount USB storage mode and VOILA i was able to see all my files. I did take a quick back up . But still in the normal mode i was not getting the USB Storage prompt. Now i went back to the bootloader and did a factory reset. and then installed the Latest Avatar ROM. and now I am able to access the Phone storage through my computer.
I am not sure if i had deleted some files by mistake or some other issue. And thank for referring the Philz Touch Recovery. Its great.
Now am thinking of installing the Stock ROM for NEXUS S back on to my Phone. Do you think its a good Idea?
Thanks for all the help mate.
Click to expand...
Click to collapse
i don't think the stock rom is the best rom ... it depends on what you need ... by the way what is your data transfer rate ( into the SD )??? me in recovery get a good speed with a lot of spike, it transfer data at 5 mbs with spike of 15 and sometime go to 0 ... when i mount USB on the rom i get an almost constant 1.5 mbs that is reaaaaaaally slow ... if i test the write speed using the phone it returns me a normal speed...
p.s. when u say u mount USB in bootloader, u mean on recovery ?

[Q] Moto G, wiped system through idiocy and can only access TWRP & fastboot

Hey folks,
I'm rather embarrassed that I have to ask for help here, but here we go:
I wanted to update my Moto G (1st gen) to Lollipop 5.1 (via this thread: http://forum.xda-developers.com/moto-g/development/rom-stock-motorola-lollipop-rom-t3017510) and after toying around with it for a few hours got frustrated and did some stupid things, which I'm also having a hard time to remember.
From what I recall, I managed to flash the "GPE 5.1 ROM (Optimized) v1.1" ROM via TWRP, but when booting the phone got stuck on the BOOTLOADER screen for about 1 1/2 hours, after which I decided to turn off the phone.
After that I frustratedly started fiddling around in TWRP and wiped system, cache and some more things (derp :silly: ) and well... ever since then I'm trying to get a new ROM on my SD card, but I can't push via adp because my device is not found.
Here's the facts
- When I try to regularly boot up my phone, the Warning Bootloader unlocked sign appears
- I can access the fastboot screen on my phone (AP Fastboot Flash Mode (S) 41.11), the one where it says normal powerup, recovery, factory, barcodes, bp tools and qcom. When I connect via USB it says USB connected.
- I can get access the recovery rom TWRP (v2.8.5.0)
- When I try to push a ROM to my sdcard command line tells me "error: device not found".
aaand that's it. I really hope I didn't brick my phone.
I'm on Windows 7 x64 and I would really appreciate the communities help. After that I'll show myself out and leave my phone working for a while hopefully.
edit: one more thing. my phone gets recognized as "Fastboot falcon S" in windows when I plug it in while in fastboot flash mode and as XT1032 when TWRP is booted. obviously it doesn't get recognized as a volume in Windows Explorer, or I would have already transfered another rom on the SD card by now.
edit 2: I also tried connecting the phone via another windows 7 x64 laptop now. installed motorola device manager & minimal adb and fastboot, but same thing there. :|
edit 3:ISSUE RESOLVED for now. I used this: http://forum.xda-developers.com/moto-g/general/gpe-lollipop-5-1-1click-installer-t3075522 and it worked like a charm. Thanks everyone.

@covecove until there is fastboot, there is hope.

Help with bricked? XT1039...

HI,
First time posting, but read a lot of great info on here in the past. just made a bit of a stupid mistake tho... I'd rooted my XT1039, and then flashed the custom recovery back as well as the stock 4.4.4 eu retail gb. I was getting the 5.1 OTA update, but the install was failing. In my eagerness, I downloaded the GPe Lollipop 5.1 update from here - http://forum.xda-developers.com/moto-g/general/gpe-lollipop-5-1-1click-installer-t3075522 - and tried to flash that, missing that it is for a different phone. Now I'm stuck at the bootloader menu, with the error "fall-through from normal boot mode." Any attempt to select normal powerup, recovery, etc results in a black screen with "Google" written on it and an unlocked padlock symbol.
I was going to try and flash the stock 4.4.4 image I had, but when connecting the phone to the PC via USB, fastboot isn't recognising it as attached, even though the phone detects that USB is connected...
Any help would be seriously and massively appreciated!!
Thanks in advance!

Hey man, I have a similar problem as you. Maybe I can give you a little hand, but its better if somebody who understan everything well give you the hand, becouse I'm a "starter" with this of Moto G.
Your device is charged? With my XT1040, the bootloader didnt connect with the PC via USB if the batery was low. Other thing, which version of bootloader do you have?

Thanks! Yes, the phone is charged! Not sure what version of the bootloader it is...

Start fastboot mode with "Pwr" + "VolDwn" and in the top of the screen says:
Code:
AP Fastboot Flash Mode (S)
41.xx [COLOR="Red"]<--- version of bootloader[/COLOR]

It's 41.19...

Try flashing the CWM Recovery again ClockWorkMod Recovery by Somcom3X with fastboot.
Then mount USB storage and upload an Lollipop's backup/system for your XT1039.
Finally, try to install the Lollipop's zip. If the instalation finish succesfull, wipe data and cache. Then try to start your device normaly (first option of CWM (restart))
Anyway, yesterday I made a thread explaining what happened to me with my XT1040 and how I solve it. Read it if you have time, maybe helps with your problem XT1040 - Reviving bad Lollipop flash/downgrade/bootloader 41.18
Note: I think that XT1039 and XT1040, both can work with the same Lollipop but I'm not sure, ask arround before try with a XT1040 backup.

Hi,
Thanks for that info. Unfortunately I can't do any of that, because fastboot doesn't see the phone any more. When I plug the phone in by USB, windows recognises it, and the phone says that USB is connected, but "ADB devices" in fastboot doesn't see it... So I don't know if it is completely bricked! Selecting any option in the bootloader menu gives me a screen with "Google" on it and a padlock sign...

It has enough battery? If not, Moto G dont allow you to use ADB comands for safety. If not that, really I have no idea. Hopefully someone who knows more than me pass by your thread

Yes, the battery is fully charged... ok, thanks for your help anyway!

[Completed] How to install ROM on Vonino Pluri Q8 tablet ?

Hi there,
Today i've received this tablet. All good and dandy until it notified me it has an update so obviously i've gone and do the update. Surprise.. after reboot, update installment and so on the device won't boot anymore at all, and recover mode doesn't work to enter.
I've found official ROM package on their site:
ftp.vonino.org/public/Firmware/Vonino_Tablets/Pluri%20Q8/Orange%20Version/Android%206.0/
Tablet can connect to the PC, but it isn't recognized because "some drivers" missing. How can i install this ROM on the tablet from my pc ?
Thank you.

Hi,
I can't find anything about it on xda or anywhere. You'll need to contact the manufacturer for drivers and instructions on flashing their firmware.
Good luck!

After i tried like almost the entire day i got the tablet in rescue mode or fastboot mode..
I've wiped/data or factory reset and the same happens... it stays in a loop when boot at logo.
I've let it to do so until the battery went dead from 100% and still the same.
I have official ROM but can't install it at all. I think the bootloader is locked?! And it doesnt even unlock it when using some fastboot commands
Also can't install nothing from SD card and when tryin to use ADB the PC can't see the device, but when using fastboot I can work on it.
In rescue mode i've done some root integrity check and at the end of the check some /system files are modified. I believe this is causing the entire problem.

denede said:
After i tried like almost the entire day i got the tablet in rescue mode or fastboot mode..
I've wiped/data or factory reset and the same happens... it stays in a loop when boot at logo.
I've let it to do so until the battery went dead from 100% and still the same.
I have official ROM but can't install it at all. I think the bootloader is locked?! And it doesnt even unlock it when using some fastboot commands
Also can't install nothing from SD card and when tryin to use ADB the PC can't see the device, but when using fastboot I can work on it.
In rescue mode i've done some root integrity check and at the end of the check some /system files are modified. I believe this is causing the entire problem.
Click to expand...
Click to collapse
Typically, on devices I know of, it's fastboot that you would use to flash factory images. So you should be good there. But again, I don't know if that is how your device works too. And it would also typically not matter what's been altered on your device, system wise, you would simply flash the appropriate images with fastboot.
So I'd still say you need to determine the correct procedure to flash the files you got from their site. Perhaps there site has instructions? Or a support number for help of its not working as it should?

I've talked with the support. They gave me a link with an official ROM, a different one that the one that was from the site. But they didn't even told how to use it, LOL.
Have the damn files and don't know what to do with them, OMG.
I've placed the zip archive on SD card and tried to use the option from rescue mode with 'update via sd card". The zip archive is visible but after i select it says Installation aborted :|
I've googled around and maybe my tablet needs to be at over 50% power... but it was plugged into the wall it should've worked.
edit: 100% and no good...
edit2: they sent me another e-mail with a pdf file in which it is explained how to flash their device.

SOLVED Bricked Phone

So I have 10 years of experience of rooting phones and flashing roms etc and I think this is the first time I really bricked my phone and until now did not find i solution my self.
So how got it bricked: I was on my work, in a bit of a hurry and wanted to update my phone (dirty flash) through TWRP but the installation hanged at the last 1% or such. I let it sit for 30 min. still hangs so decided to abort and do a clean flash but again the update hangs (maybe bad download?) but along the way (probably because I was at work and didn't take the time) I think I ****ed up switching partitions or something and now I have no OS installed on my.
I can boot in to Fastboot mode, TWRP EDL mode and such
But I can't flash an new OS through TWRP because it says the following: Unable to find Partition for path '/system_root' (will post screenshot when I get home from work )
I tried MSM tool but until now I could not get the tool to see my Phone so now I am calling for the help of the XDA Community!
So do you guys have any suggestions wich wil unbrick my phone?

Try running msm from different port on your pc. Preferably a 2.0 usb if you have. Many times makes a difference. Also make sure your adb drivers are updated to latest. Many threads around talk about it.

Extracted boot file from original oneplus rom, flashed that with fastboot and like magic my problem was solved