Can anyone help me with lenovo a3300gv? - A3000 Q&A, Help & Troubleshooting

Hi, my tablet is stuck on the logo. Then i want to unbrick it by flashing the stock rom. When i connect my tablet to pc (Windows 10) it show Unknown USB ( device descriptor request failed ). Can anyone help me with this?

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[Q] opad p10 cant boot

hello i have opad p10 oem version of advent vega after some market application install first my desktop window gone then i tried to restart in recovery mode but tablet is no screen cant inter in cwm only white circle with andriod robot with in upear micro second and gone pleas help i cant connect with my pc because usb problem any method to boot or flash with sdcard i have some knowledg about linux and lablet install 3.2 9n1 thanks sorry for my bad english
As far as i am aware the only way out is to reflash the stock firmware, without usb your a bit stuck. what is the problem with the usb connection?
i am trying 3 systems xp w7-64 w7-32 all are device not recognized error in device maneger is yellow mark unknown device
You need to install the usb recovery drivers. They are on the advent/pov websites. I assume there the same as your tab.
i cant access my tablet because i have usb not recognized error i want any alternat method to flash my tablet rom like sd card or usb drive thanks
no one solved my problem any idea if i use usb to serial cable or usb to lpt cable
You need to sort the usb driver issue. That will solve your problem. As far as i am aware flashing the stock rom with any other cable is not possible.
finaly i found a pc i install a nvidia driver audi sign green but run moddedstock its showing error nvflash uid read failed what this error and some time nvflash runing but blank screen nothing hapen
every time connect to pc masseg appear this device perform faster but connect to usb 1.1 and every time flash hang betwen system.img copying last file why is connect slow speed not full usb 2 speed there is cable problem or some thing else or driver problem ihave tried vega flash and modded stock v2 any help to try with linux ubuntu pleas help me thanks
any help to flash only system.img or only flash cwm to boot into cwm and then install modded rom in to opad
Can you boot in recovery mode?
SGS2-i9100; SGS3-i9300; Archos 101 Turbo (G9/250gb/512mb)

[Q] [HELP] Bus error while rooting

Dears,
I am tring to root my Kindle (actually recover) using KFU and i am getting an error "Bus error", is this a hardware problem or it is something wrong with the drivers?!!
i searched the internet and cant find any lead except for old mac os, i am using windows 7.
never heard about "bus error" !
would try to follow this post to be shure on the drivers:
http://forum.xda-developers.com/showpost.php?p=22342376&postcount=6
then maybe try an other cable, usb port or computer

[Q] D802 Total Brick?No recovery,Download Mode,Fastboot

Hi all,
Maybe someone find a solution...current issues
Phone is LG G2 D802 32GB
1.Only LG Logo is visible while phone is powered on
2.I can turn on download mode but it's not work on pc (device is not recognized)
3.Recovery Mode not available
4.I can do a factory reset but nothing happens
5.ADB,Fastboot device not found (Trying various drivers for connecting to pc)
6.When I connect phone to PC is recognized as LGE Mobile USB Serial port
7.in LG Flash Tool 2014 I can do something.Changed port to 41 in device manager.Yesterday when I tried to flash it was typing "Model information check failed"
I think I've tried everything any help pls?
No one
help
i have the some problem help please:crying:
I'm able to start software update in LG Mobile support tool via Flash tool (KDZ Method) only up to 4% and only while CSE Flash / CDMA is checked then I've got an some error which I can't read due to bad letter format.Maybe it's because I'm not in download mode, but in normal mode (only way to recognized by pc as LGE USB MODEM)?
starshar said:
i have the some problem help please:crying:
Click to expand...
Click to collapse
Maybe I've found a solution here .I will try this method soon...

Galaxy s7 edge won't connect to computer

I had tried to root it and it was working fine. Until i tried to restart it and now it just says Kernel is not seandroid enforcing and custom binary blocked by FRP lock. I have oden and the stock firmware but now when i try to plug it into my computer in the downloading screen. On my computer it comes up as "Unknown USB Device (Device Descriptor Request Failed). I have tried to use smart switch, samsung kies 3, and downloading samsung usb drivers. I have tried switching ports and cables. I cannot start up the phone and I cant connect it to the computer?? PLEASE HELP
If you cannot startup your phone eg put into download mode than your phone is bricked and you should send it for repair.
You are giving conflicting messages. You state that your phone cannot start up. Yet you also say that you are getting the seandroid enforcing and custom binary blocked by FRP lock message which means that the phone does start, only does not follow though to the start screen. I have stated in a previous post from you on the same subject that the Unknown USB Device is a windows error message and not an android error message. I would suggest trying someone elses android phone and see if you pc recognizes that. Or/And you could install the Samsung drivers on someone elses pc and see if you can connect your android to that pc.

PC doesn't recognize my phone (cannot install ROM)

Hey there guys!!!
Can you please help me with this?
Yesterday i tried to install a new ROM on my LG Android phone (My LG phone is not working properly, it has a reboot loop). I tried to do a factory reset without success -> the dead Android logo appeared :/
I put my phone in Download Mode and connected to the pc but Windows does not recognize my phone.. it says: "USB device not recognized.. the last USB device you connected to this computer malfunctioned and Windows does not recognize it"
I do not know what to do now.. when i try to flash a ROM with the LG Flash Tool it fails because LG program does not recognize my device..
PS: LG Support Tool recognizes my phone (it shows the model) but i cannot flash a ROM
Thanks!!:fingers-crossed:

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