yashsingh1/xdaforums huggingface dataset:
[LG Optimus Black] Tokool:
Hi thanks for this. However, the link to the usb drivers is broken. I have installed the usb drivers from the lg website and I know they work fine because I have now tried connect a friend's LG optimus black to my computer and the computer and phone both recognise each other. So I know it's not the usb cable or usb drivers on the PC. I have also installed the LG usb drivers on my laptop and spare computer, however again I have the same problem - phone only charges.

When this problem initially occured about a year ago I sent the phone back to LG and they did some sort of software refresh, which solved the connection problem for a few months, but then things went back to the way they were. I then thought it may be a PC issue so I downloaded drivers and connected my phone to the laptop and everything worked well. However, again, a few weeks later, things reverted back to the same problem. The phone only charges on both PC and laptop now.

Hope you can understand my frustration.
[LG Optimus Black] Tokool:
Someone must know something out there? How do I fix this stupid USB problem?
[LG Optimus Black] ErnuB:
LG service center? you've pretty much tried all I would've
[LG Optimus Black] Tokool:
Last time I took the phone there, I was told it might have been the phone port software corrupted. Whatever that mean. If I can't find a fix to this I will need to somehow unroot the phone and try to get it back in its unrooted state to LG (not sure if that is possible) else they probably won't fix it.

I'll keep looking,

thanks for your help.
[LG Optimus Black] wyrman:
You are using the the proper usb cord. I know I have a couple. The one will charge only.
[LG Optimus Black] Tokool:
Yes I am using original cables, I have three of them. They all work on my Friend's OB but not on mine. I am convinced it's a phone software issue. This has happened with three different computers - when you first install LG software on the computer, the phone connects okay for a few weeks and then loses connection, and I can never get it connected again.

When LG refreshed the phone software for me the phone worked properly for a little while and then reverted back to charging mode only.

I need a way of reinstalling the USB software or port software onto the phone itself via some type of APK if such a thing exists.

Maybe a developer here can develop one???
[LG Optimus Black] Ilko:
hey man

if you have disabled the "android platform usb modem" in peripherals manager, enable it first (phone must be plugged)

this means it must be the result of an intervention by a third party thing, by yourself, or another program. If you have a kind of a software which manages ports or consumption (on phone as well as on Win), uninstall them, then uninstall all LG drivers, reboot, then reinstall them. if that doesn't solve your issue, you may have to reinstall windows. that's radical, but it should do it
[LG Optimus Black] dabyd64:
Try connecting the usb while doing pressure between the LG logo on screen and the back of the phone, like squeezing something . I had this issue and it was an internal connector issue....

Check if you hear the "tada" sound in windows or any message about a new device.
[LG Optimus Black] Tokool:
Hi, thanks for this, I'm not sure what you mean by "disabled the "android platform usb modem" in peripherals manager". I am using XP. I have had a look to see if there is any software remotely associated with port consumption etc and have uninstalled these and also reinstalled LG drivers. But situation is still the same.

Please note: I have an LG GT540 and this connects fine to the computer. I have also connected another LG optimus black and this also connects fine to the computer. On the basis of deduction, it must be a phone issue, somehow interacts with the computer fine and then fails after a little while. Also I haven't installed anything on the phone itself which might manage consumption or port. The computer has a usb host controller but not sure that means anything useful.

I do agree and have feeling that if I reinstall windows I bet the phone would start working again, possibly again for a few months. This means I reinstall windows on my pc and laptop and hope it all resolves without actually getting to the bottom of the problem.

What I need is another laptop to try this on. If I try another computer or laptop and it recognises the phone. What do I make of everything??? Any ideas.

ps also tried holding pinching usb lg cable as suggested but nothing different.

Thanks for all your efforts.
[LG Optimus Black] Tokool:
Further update to this, I installed LG drivers on a fresh dell laptop. Again nothing happened, the phone only charges. I am even more convinced that phone software is corrupt. How do I reinitialise phone USB software?? If there is such a thing.
[LG Optimus Black] ErnuB:
flashing a new rom, i think it may be hardware issue
[LG Optimus Black] Ilko:
oh that changes the situation, so this is phone related. try the following :

enter into s/w upgrade mode, and see if the phone is recognized. for that, open the peripherals manager. under the USB host BUS controller,

"LG android platform composite usb device"

must be present. Then, under Modems,

"LGE mobile usb modem"

(the virtual modem doesn't matter) must be present. If boths are present, you should be able to use smartflash in order to hard reseting the phone.

finally, when the phone is ON and plugged to PC, under Modems again, you should have the

"Android platform USB modem"

which is different of what I mentionned above. this is the one which make the phone updatable and recognizable by LG mobile update. BUT, I don't think this is needed in S/W mode since it doesn't appear while being in this mode
[LG Optimus Black] Tokool:
Okay, this is interesting, I go into device manager (what you call peripherals manager). There are no LG drivers or modem drivers present, despite connecting in s/w upgrade mode ( hold + button while phone is off and plug into the computer).

I then connect friends optimus black using came cable and same computer. Straight away their phone is recognised. Windows comes up with installnig drivers. I check device manager and all LG usb and modem drivers are presen as you suggest. So I disconnect the phone and plug my one in, and all those nice drivers have disappeared again.

So bascially it's the phone. what do I do now?

ps if it's a hardware issue why does the phone charge? Last time Lg said some phone port software might have corrupted. I don't know what that means exactly.
[LG Optimus Black] Tokool:
So many people seem to have the same issue as me but no real solution.

Help!
[LG Optimus Black] Tokool:
After much research on the internet, I have discovered the following: If I go into the LG hidden menu (pressing 3845#*970#) I can access something called the AP CP USB switching.. If I select from the menu CP UART, windows recognises the phone. However the phone will no longer charge until I select AP USB again.

When windows recognises the phone in CP UART mode, it says that 'windows cannot recognise the device' or it has malfunctioned.

But at least the phone is recognised. This is where I am stuck. What do I do next?

Help please??
[LG Optimus Black] Ilko:
well, I don't know, after all it may be hardware related. I've a last advice, but I don't think that it will solve your issue, anyway, try that ;

- while phone is ON, switch to airplane mode and turn it off.

- remove SDC, battery & SIM

- now do an "active boot" : holding power key, plug in to PC and wait 'till LG logo appears. phone should boot and keep ON without battery

- then, do a factory reset : settings > privacy > reset

phone should reboot normally so airplane mode will be off again by default. this should result in that the phone will shut down and display the battery missing message. then, unplug, put in the battery only, boot, and see if it is recognized.

again, I don't think that this will change something, but whatever. if that doesn't solve, then the hardware is failing. buy another phone or send it to a service center.
[LG Optimus Black] Tokool:
Thanks for this, and clear instructions unfortunately still didn't work. I will take phone to LG and hope they fix it.
[LG Optimus Black] Ilko:
one thing... is device connector dirty ? what about cleaning it ?
[LG Optimus Black] Tokool:
Tried cleaning it, makes no difference. The strange thing is the phone is detected in CP UART mode (that's about all), but of course the battery doesn't charge in that mode.

I still think it's a software issue, but I guess it could be hardware too. I have seen a lot of OB threads now regarding this issue, for most people it has been a hardware issue or the issue has spontaneously gone away.

I wonder if there is some xml script that can reinitialise USB drivers on the phone itself. That would be the last thing I could try. So far I haven't been able to find any such script on the internet. Unfortunately I don't know enough about the android root directory to try for myself.

It's not the end of the world as I can still connect my phone to my pc via wifi and access my sd card from there. It's just that if I flash my rom and something goes wrong, I would need usb facility to fix any serious problems.

I'll keep looking and if I get fed-up enough I'll send the phone to LG
[LG Optimus Black] Armin61:
Hi.

I know this is old thread but I am facing very similar issue.

After lots of googling, I found it could be up to the faulty USB port on Optimus Black. Did you try replacing it?
[LG Optimus Black] Tokool:
Edit [Went to local mobile phone shop and they said It's most likely faulty port. Apparently there are 4 points on a usb port, 2 for charging and 2 for data. If any are broken the charging will continue but data won't. Sometimes you can lose usb by flashing a new Rom so it can be software related but not in my case since this happened before rooting for me. LG give a lot, but quality is cheap in my opinion. I just use es file explore to connect via WiFi if I need to do data transfer its just as fast as usb. I will however at some point open the phone and replace the usb port. There are tutorials on how to do this. Google it. I have tried almost everything. If I could reload phone usb drivers on the phone somehow that would be the last thing but I can't find drivers anywhere maybe such a thing doesn't exist. Will update you if I ever get this fixed. ]

14/10/2012: Just an update on this, I have sent my phone off to LG as it isstill under warranty. will let you know what the outcome was once it gets fixed in about two weeks.
[LG Optimus Black] supertaco:
You got it fixed? I have a fauty connectors too...
[LG Optimus Black] alexandru.ocheana:
Tokool I had this error when I tried to root my phone. I have tried several hours to find what is wrong, and why my com port doesn't read my phone. My problem was simple, I have connected my phone to a USB 3.0. When I switched to a standard usb 2.0 port, my com port worked fine and I have rooted my phone without any problems.
[LG Optimus Black] Tokool:
Have a check through the entire thread, I have tried multiple computers etc but nothing ever worked. In my case - I had never attempted rooting my phone, so everything was original stock but the dam phone still did not connect to the computer, it only charged.

However, I have had my phone back now from one of the sub-contractors who fixs the LG phones under warranty, and I am gutted to say they didn't fix my phone. They came back with some lame excuse that there had been water ingress in the phone due to the following:

1. Rain

2. fog

3. Mist

4. Persperation - which is thought took the biscuit!

Basically it's highly likely that the phone's USB port never worked properly in the first place and because LG or their stupid sub-contractor might have to change the port or give me a new phone as it's under warranty - they have decided to come out with some lame excuse as to why it's my fault the phone's usb data connection doesn't work - bear in mind everything else works perfectly.

I am so annoyed at this that I will be taking things further with LG, who I think generally have good customer service. But in my case the sub-contractor was sent the phone directly through my mobile operator so LG don't know anything about it.

I am sure in some cases it might be USB 3 but not in my case - i do have usb 3 on my computer but have connected other lg optimus blacks to it and all work fine.

I guess what I need now is some support on this forum about how to best approach LG regarding this. I will be writing LG a letter today let's see what that yields.
[LG Optimus Black] Armin61:
First of all I am sorry you did not solve your issue.... :( I hope that replacing USB port on your phone would help. Anyway you can find very cheap on Ebay for 10$ including shipping, and use do-it-yourself tutorial to replace it... Anyway as I mentioned before I have very similar but at the same time quite opposite problem... I did not buy new USB port for me yet because I am trying to explore every other option before replacing port

My issue:

When I connect charger, it is not recognized by phone... In phone status options it says that battery is discharging, but battery level monitoring tools show that battery capacity is increasing (in percent)... And when I connect my phone to PC, in device manager I can see LG USB modem under modems list and under USB devices I see LG USB composite device...SmartFlash tool also recognizes the phone so I can flash it with no problems. But my phone does not show that it is connected to PC via USB nor it gives option to connect sd card in Mass Storage mode (Yes it is enabled in SD card options).

Also I tried using these options form hidden menu: AP USB mode for charging works fine, and charging is recognized by phone, and CP USB mode gives me devices in windows Device manager I mentioned before, and CP UART option gives me USB Device not recognized in Windows, so it may be some clue to follow.

If anyone has any idea, please let em know, I would be very grateful... :)

Forgot to mention, I connected phone to both USB 2.0 and USB 3.0 ports and the same thing happens
[LG Optimus Black] Armin61:
Got the cause of problem!

Tonight I accidentally found what is causing problems on my OB. :cowboy:

When devices mother board gets hot (because of heavy use), the USB connection works with no problem. When connected to PC, battery is charging, USB connection is displayed on phones information bar, and in Windows Device manager a get these devices: Portable device: F: (I don t get this when phone is not hot!), LGE Android platform USB GPS, LGE Android platform USB Serial port, and under USB controllers I get LG Android platform USB composite device, and LG Suite IV recognizes my phone as connected (in other way it wont see phone connected), USB Mass Storage mode works properly... As soon as heat goes away, problem with USB connection appears again! :(

Any ideas what could be causing such a mess?
[LG Optimus Black] N00BY0815:
Probably bad soldering?
[LG Optimus Black] Armin61:
That means that I will have to examine whole board? :(

Is there any specific part of the board I should check?
[LG Optimus Black] alexandru.ocheana:
Dude i donk know why but, do you put your phone to update mode? I read that your phoe is charging when you connect it to pc. This is ok. So, remove the battery. Keep volume up and insert the usb cable. The port appear on only in update mode. Also make sure that the smart flash is running into your pc.
[LG Optimus Black] taisch:
Same Issue

Start Smart Flash, hold volume up and plug in. No connection.

The computer doesn't even seem to recognise the phone anymore.

It did start after I tried reflashing the phone, I'll take that blame.

I have tried reinstalling drivers multiple times, different computers even and still no joy.

Last hope is that someone has something different to suggest, even have possibly fixed it themselves.

I would totally prefer not sending this back under warranty.

Many Thanks,

Rich
[LG Optimus Black] efxbug:
I have the same issue using CM10 nightlies directly from CM download page...

ADB works in recovery.

When the phone is on, it detects the USB-cable, shows the icon in the notification bar saying that the debug is enabled

adb devices shows no devices. It only works if I connect to adb using network interface.

Please note that I work with mobile phones, and all the others are working. I tried it on linux and macosx, so it's not a computer problem, it should be something on the phone (adbd not properly loaded or something)

I noticed that there's a ROM that should be CM10 RC3 in development section that says "ADB fixed", but it should be related to the cm nightly of 30th of October, but the "official" nigthly doesn't work for me :)

Waiting for the next nightly to see if any changes was exported to main CM tree...
[LG Optimus Black] Tokool:
I have come to realise LG motherboards are almost as pathetic as LG customer service.
[LG Optimus Black] :
Thank you for sharing this invaluable thought with us.

Thread closed.
[Galaxy 3 General] sharukins:
hi,

I'm wondering if someone can help me with compiling android from source. I've set up the build environment as described here: http://developer.android.com/guide/index.html

and downloaded the CM sources via repo.

the biggest question that I have at the moment is, how do I merge the code from our devs with the CM sources and then start compiling the whole thing? e.g. if I downloaded CM10 and want to merge it with marcellusbe's git development files..

I'm a bit confused about all the shell scripts in the CM sources..

do I need the kernel sources? or can I use for example one of the flashable zip files?

maybe someone can lead me through this step by step, or make a step by step tutorial, which would be great.

I do have linux experience but I'm not really into development stuff.

thanks in advance
[Galaxy 3 General] marcellusbe:
1. Download sources from CM

# mkdir cm10
# cd cm10
cm10 # repo init -u git://github.com/CyanogenMod/android.git -b jellybean
cm10 # repo sync -j4

2. Take my cm10 device config from git and put it in device/samsung folder. It is not updated yet with all the fixes but good to start compiling.

there are problems in compiling with external/valgrind and external/regex-re2 : thanks to aaa801, he gave me link to a valgrind patch that solves the compile failure for armv6.

For regex-re2, for now, just delete the folder.

then you can compile jellybean :

cm10 # . build/envsetup.sh
cm10 # lunch

You're building on Linux

Lunch menu... pick a combo:
1. full-eng
2. full_x86-eng
3. vbox_x86-eng
4. mini_armv7a_neon-userdebug
5. mini_armv7a-userdebug
[B]6. cm_apollo-userdebug[/B]
7. full_panda-userdebug
8. cm_grouper-userdebug
9. cm_maguro-userdebug
10. cm_toro-userdebug
11. cm_toroplus-userdebug

Which would you like? [full-eng] [B]6[/B]

cm10 # make -j4

Jellybean needs modifications in the initial ramdisk ... I can provide you the kernel until I upload the changes to github.
[Galaxy 3 General] sharukins:
providing the kernel would be great ;)

but I can wait until you upload the latest changes and fixes, too
[Desire General] frater:
I'm on holiday now and told a friend I could help him with his phone having some minor strange issues. Because I'm not familiar with this phone I didn't dare to put on a custom ROM. When I was busy investigating the possibilities of an upgrade the device offered a system upgrade. After finishing the process it started and after a while it restarts.

I was able to find a laptop on which I could run a downgrade script to 2.1. This script fails when it checks if the image is properly pushed to /sdcard. I then used "adb shell" to check this. There's no block device mounted to /sdcard. I then looked for the available devices in /dev/block and only saw 1 mmc device, the external SDcard.

Before trying this 2.1 downgrade I tried to download a stock firmware for this "Orange France" device, but all those links are dead ones.

At this moment I don't really know what's the best thing I could do. I already did a full wipe from the boot loader menu, but that didn't help either.

Can someone help me to escape from this embarrassing situation?
[Desire General] nlooooo:
Download 2.3 RUU from htc dev site (you have a link to the thread how to do that in my sig) and run it. You can also check Bortak's guide.

Sent from my HTC Desire using Flashes and Thunders
[Desire General] frater:
I think I already tried that. It said it couldn't upgrade from the version I was running. Is this possible? I will try it whenever I have the next opportunity. Open to more suggestions... Thanks
[Desire General] Dabbsy:
Goldcard?
[Desire General] jmcclue:
U dont need a goldcard when using the 2.3 gb upgrade as its for all brands. It should work

Sent from my HTC Desire
[Desire General] nlooooo:
People just don't wanna listen...

What would he say if I told him to put it into the fridge... :banghead:

Sent from my HTC Desire using Flashes and Thunders
[Desire General] jmcclue:
Hahaha probably say sign u into a mental hospital :eek:

Sent from my HTC Desire
[Sony Ericsson Xperia Mini, Mini Pro, Xperia Pro, A] anestef:
hello my friends i have xperia mini st15i and i want to rooted no changes like bootloader kernel image rom or somethink else...only root it!

i have firmware 4.1.B.0.431 i read the forum but i cant get tutorial for this firmware....

thank you to all
[Sony Ericsson Xperia Mini, Mini Pro, Xperia Pro, A] Ticklefish:
That's ICS, isn't it? Have a look here: http://xdaforums.com/showthread.php?t=1695514
[Sony Ericsson Xperia Mini, Mini Pro, Xperia Pro, A] anestef:
i think yes...but as i saw i must downgrade the firmware right?
[Sony Ericsson Xperia Mini, Mini Pro, Xperia Pro, A] mihahn:
Yes cause you can't root ics for mini pro. You have to downgrade and then root downgraded firmware, use local-prop and then upgrade to ics without wiping data, then run push-root-files and you should have rooted ics!
[HTC Desire S] serpicoUK:
Hi

My wife has just bought herself an Desire S which is locked to Orange, I was wondering if it's possible to unlock to O2 without the usual fee charges.

Thanks
[HTC Desire S] Jack_R1:
No, unfortunately, impossible. Unless you don't consider XTC-Clip as "usual fee charges".
[General Questions and Answers] Flipfoot:
Hi guys hoping you can help.

Ive had my Xperia Play since new, but its screen has gone and feels slow compared to my mates phones now.

Ive been offered the choice of 3 phones.

Nokia Lumia

Samsung Galaxy s3

Xperia U

Im only really interested in making calls,texts,emails,music,browsing and games. All the other special features that come with all new phones are just a gimmick to me, (My X Play was rooted and bloat free within an hour of me getting it) so things like "Siri" on Iphone and S-Voice on Samsung are not a deal winner for me.

One thing I would like is to be able to hook my phone up to my TV via HDMI, something that was GREATLY overlooked on the Xplay, mores the pity.

So, seeing as im no expert, and you guys at XDA seem to be in the know please vote and if you pick "other" leave a comment explaining what phone and why.

Many thanks guys and gals!

Mr Flipfoot
[General Questions and Answers] Dj_Fex:
it is also depending on what you want to pay for it

if it doesn´t matter what it cost

i would choose the s3 by samsung cause it has the best performance i think (and many custom roms of course and official update support)

you could connect it to your tv with the following adapter by samsung:

EPL-3FHUBE

(sry i can´t post a link because im a new member :( )
[General Questions and Answers] snooby23:
I would choose Samsung S3 because of the performance. If you're a mean android gamer then it's great for you. But if I really get to choose, I'd love to have Xperia acro S. It has 12MP, 1.5 dual core, HDMI, 11GB internal memory, up to 32 GB SD card and others.. It also looks sleek. You should search for it. I'm not much on the processor speed. I just love Sony's design and features. A fast, beautiful phone that could do everything I want would be great enough. This is just a suggestion. The decision is yours of course. :D