In this article, our technician Hassan Gibson will explain why lmkj a30 does not see USB connection. Having dealt with this, you can get root or do a flashing.
How to Fix the “USB Device Not Recognized” Problem?
There may be several options, a PC can:
- See the device and charge it, but not see the contents, that is, the phone files, then you need to read below.
- Do not see the device completely and do not charge it, in which case the USB cable may be damaged.
If you have non-original cable of poor quality, then the smartphone may charge, but the computer may have problems accessing files and other operations. It’s hard to say without seeing this very cord, we recommend not to save on the data cable or use the original one | If you use a non-original cable of mediocre quality, then the phone, when connected to a PC, may have problems with some operations (firmware / access to files, etc.). We recommend using good quality wires, preferably original ones}.
The most common reasons
May be absent driver for lmkj a30 or something happened to them, you can download them here: https://yourtopfile.info/droidfix
Operating system problems. You can try to install a patch https://yourtopfile.info/yourfirmwares?q=patch, or you can just try it on another PC.
The cable may be damaged.
What to do?
- Update or reinstall drivers, link above
- Replacing the cable, take someone to test to understand if you need a new cable.
- Try on another computer
The computer does not see the files on the smartphone
Everything is easy here, when you connect the lmkj a30 to your computer, in the connection settings, select «File transfer» and the Anroid operating system will allow Windows to view files on your mobile device.
If all else fails, you can upload files to a PC via mail / instant messengers / memory card / USB flash memory (connected to the phone via an adapter).