Hi people! After couple days of trying i decided to make a new thread. I got a cell phone from my friend with ''Security Error''. I searched for solution almost whole forum and tried all guides but with no success. When i plug USB cable PC connect and then disconnect link and show ''Security Error''. In s/w upgrade mode PC detect phone but when i try flashing lost connection. In offline mode installation stuck at 4%. I tried couple versions of drivers including newest one. In online mode of flashing installation stuck at 30% in LG PC Suite and wont start online mode of installation. I tried couple of computers and USB cables.
I'm begging someone try to help me, i'm going crazy!
Sorry for my bad English!
Problem was in boot....Problem SOLVED!!!
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Okay guys ive tried really bad to not create a new thread bout it but i need help
ive searched for every single thread about usb problems on l9 but neither one helped
tried installing lg drivers new/old ones,installin LG Suite restarting pc/phone but still gettin same error
The problem is when i plug my usb cable in pc then phone ive get error (USB Device not recognized)
(USB Device not recognized) , and phone only start to charging ://
Sometimes it starts to download some drivers but it always get error on some MTP driver ://
I just want to root my phone badly
thanks in advance
karisha91 said:
Okay guys ive tried really bad to not create a new thread bout it but i need help
ive searched for every single thread about usb problems on l9 but neither one helped
tried installing lg drivers new/old ones,installin LG Suite restarting pc/phone but still gettin same error
The problem is when i plug my usb cable in pc then phone ive get error (USB Device not recognized)
(USB Device not recognized) , and phone only start to charging ://
Sometimes it starts to download some drivers but it always get error on some MTP driver ://
I just want to root my phone badly
thanks in advance
Click to expand...
Click to collapse
Try booting computer into safe mode and see what happens.
kevev said:
Try booting computer into safe mode and see what happens.
Click to expand...
Click to collapse
ive tried still gettin USB Device not recognized :// and starts chargin
only one time i connected my phone with usb i think thats the first time when i bought phone few days ago and that was last time
is it PC problem or phone?
please help )
karisha91 said:
ive tried still gettin USB Device not recognized :// and starts chargin
only one time i connected my phone with usb i think thats the first time when i bought phone few days ago and that was last time
is it PC problem or phone?
please help )
Click to expand...
Click to collapse
Hard to tell. Check the device manager. You may need to manually select the driver that the device uses. Also, try another computer.
kevev said:
Hard to tell. Check the device manager. You may need to manually select the driver that the device uses. Also, try another computer.
Click to expand...
Click to collapse
ill try another pc ,but thanks ,if some find out a solution post it thanks )
im looking forward it
karisha91 said:
Okay guys ive tried really bad to not create a new thread bout it but i need help
ive searched for every single thread about usb problems on l9 but neither one helped
tried installing lg drivers new/old ones,installin LG Suite restarting pc/phone but still gettin same error
The problem is when i plug my usb cable in pc then phone ive get error (USB Device not recognized)
(USB Device not recognized) , and phone only start to charging ://
Sometimes it starts to download some drivers but it always get error on some MTP driver ://
I just want to root my phone badly
thanks in advance
Click to expand...
Click to collapse
I am not sure, but have you tried connecting directly to the pc at backside usb? the usb on motherboard? well the symptoms are exactly same when you put on front usb port on pc.
I hope you are using original cable. Sometimes bad and lengthy cables do loss signals and this happens. Voltage passes but not the data making it undetectable. feedback.
cmahendra said:
I am not sure, but have you tried connecting directly to the pc at backside usb? the usb on motherboard? well the symptoms are exactly same when you put on front usb port on pc.
I hope you are using original cable. Sometimes bad and lengthy cables do loss signals and this happens. Voltage passes but not the data making it undetectable. feedback.
Click to expand...
Click to collapse
tried but nothing :/ windows cant install driver ,guess no root for me (
Have you got Windows Media Player? If not install media feature pack.
Hello
I've had this problem for a couple of days now and while Google is turning up plenty of threads and solutions nothing seems to be working.
Yesterday I tried to encrypt my SGSII and but it failed and would no longer boot. So I flashed a no ROM via recovery (there was a notice about corrupted memory) and restarted. Since then I've only been able to access the phones download mode. Most posts with this kind of problem suggest that Odin is required. Windows will not recognize my phone in while in download mode, therefore I can't use Odin. Windows will, however, recognize it as a Samsung SGSII in the device manager if I let the phone boot up and hang at the SGSII logo screen.
The things I've tried so far
Installing Kies
ONLY installing samsung usb drivers
Cleaning the usb port
Rebooting phone and pc several times
Tried different cables
Tried a different PC
Additional info: Last ROM I was running was one of the cyanogen 10 nighties.
Sorry everyone, I know this seems to be a pretty common problem but I'm just out of ideas to try.
So, do I need to buy a new phone? Any ideas would be really appreciated.
Cheers
I know that many people have issue with connecting SGS2 to PC, and i also know that there are plenty of different solutions on internet, but i wouldn't be writing here if i haven't tried literally almost every possible solution out there. I spent 2 days trying to fix this, but still no result.
PC doesn't recognize that my phone is connected, and on the rare occasions when it does - it just shows me an error with drivers - "Windows can't recognize device" or something like that. Of course i tried numerous times reinstalling drivers, Kies, i tried to connect on 3 different PCs, i bought a new cable today - still nothing (but when other phone is connected with the same cable, its recognized immediately.)
I'm running a custom ROM - XWLSW NeatROM Lite v4.8 (JB 4.1.2), but I flashed this rom several months ago and i didn't have a problem with connection until last month. I also tried several other ROMs, but nothing helped.
I tried to dial *#7284#, then change USB to Modem and then back to PDA, didn't help - the same with *#9090# and setting it to Log via Uart. And of course, USB debugging is off. I'm really desperate, the phone is working fine in any other way, but this is a huge complication for me, so any help would be greatly appreciated.
Also sorry for my english, I'm Slovak.
Hmm, could be a problem with the USB port in the phone. I had the same symptoms and turns out the USB port was damaged so i got it replaced (i has warranty)
Also have you tried if ODin recognizes the phone? Go into Download mode and open Odin. If you see yellow (or blue) box with writing "com:" something than you're good. Otherwise it's the first alternative
I tried Odin, still nothing. Well, I hope it's not a problem with phone USB port - i have a warranty, but I bought it on Cyprus.
Is there any other solution?
I know this.It's a Sammy ROM bug.I had it too on stock 4.0.3.Since 4.2.2 I don't have it.
Well, yesterday I tried SentinelROM v4.75-CM10.1, which has 4.2.2 FW, and still the same problem
Hello everyone i need help!
I have LG G3 Sprint(LS990), its a long story how i get into this problem so ill be short.
I flashed my phone few times and got bricked my phone. now i stuck on LG logo loop it continuously shows me LG logo. Recovery and Download modes not working anymore so i cant flash a ROM right now. after few days of researching i find the way how to make download mode work with laf.img i got everything i need LG driver installed , adb installed on my computer and i got that laf.img for lg g3 ls990 the only problem right now i have is that i can't connect my LG phone to PC, windows doesn't see any changes in device manager when i connect cable.
So here is the question: how can i make my Phone connect to PC while im stuck in fastboot. (i already tried few different Windows PC and Linux also used 5 different cables starting from original one end with other phone cables but still can't make my LG get connected to PC so i can flash a laf.img file to make my download mode work. If you have any other solution ill be happy to accept and try it. Hope for quick response, as its the only phone i got at the moment and its been a few days already that i don't have phone, so my friends start think that im dead or lost already
P.S sorry for poor English
Never could resolve it?
Hi everyone,
I have an SII GT- I9100 that I installed a custom ROM on a while back (probably 2 years ago). After a while it got badly bricked I don't remember what happened, and not only that
the charging port was also messed up so I couldn't connect it to my pc (pc wouldn't recognize it unless I held the cable in with force, but even that didn't work after some time).
It's been sitting on a shelf for about a year and I decided to buy a new charging port, replace it, unbrick it and give it to my mom.
I did replace it and I can connect it to my pc now but there's still issues. On my main windows 10 pc it gives me an error "USB device not recognized, the last USB device you connected to this computer malfunctioned, and Windows does not recognize it". (I've reinstalled usb drivers and troubleshooted with Kies).
I keep the phone in download mode while I am trying to connect it to my pc since I can't boot into anything (I have a yellow triangle and Samsung logo if I don't go into download mode).
On my laptop (win 7) I've managed to get windows to install all the drivers(even though it failed a couple times ?), I've also troubleshooted with Kies, still Kies can't connect to it.
I want to restore it to stock ROM but I haven't been successful. First Odin gave me "setup connection" error but then I rebooted the pc and it "worked".
Now it just says complete (write) operation failed.
I've tried 3 different Odin versions, nothing.
What bothers me is that Odin says "Added !" but everyone online to the people with similar issue says that they should reinstall drivers or talks about USB Debugging (which I can't turn on or off since it's bricked).
Sorry for the long post but what's the move here? Am I using a bad ROM ? I've tried one for the country I live in but not the country from which the phone is ( I don't know the country, might be Austria), could this be the issue ?
Thanks in advance!
Update, I may have found the right ROM, now it's stuck at boot.bin
EDIT: Found a youtube "solution" to that, then it got stuck at cache.img
EDIT: Getting Driver issues again, Unknown Device :/