[Q] PreLoader USB vcom - Android Q&A, Help & Troubleshooting

I flash wrong firmware version now my phone cannot connect to PreLoader USB vcom
any body can help me
Model Star N8000+ MTK6577
thanks

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Hi All! Sorry for my bad english.
I want to upgrade the ROM Lenovo S898T . I remove the battery as instructed , and then connect the USB . It appears in the device manager vcomm preloader for a few seconds and then disappears so that you do not see flashtool .
The Preloader MT65XX Vcom Driver is installed.
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I have been having issues with the upgrade of my ECOO E04 3GB to Lollipo, I have downloaded the SpaceROM v1.0.0.0 from needrom. I have installed the preloader drivers for mediatek . When I click download on SP Flash tool and connect my phone, nothing happens. In device manager, it shows "MediaTek PreLoader USB VCOM Port (COM10)" but the ROM is not being flashed. If I disconnect my phone, it gives the "BROM ERROR: S_BROM_CMD_STARTCMD_FAIL (2005)" error. What am I doing wrong? I have checked tutorials and the driver they have usually is "MediaTek DA USB VCOM (COM 37)". I cant seem to find this driver

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I have infinix hot note pro [mt6592] 2 GB ram+16 GB rom version. I somehow bricked it while I was flashing custom recovery. Now my device isn't turning on but it is connected with my PC as usb preloader but it is not dectected by SP flash tool so that i can flash stock rom. USB DA drivers are not being installed, when i install them then error comes that this device cannot start. And my mobile isn't detected by pc as any other mediatek usb device, it is just connected as USB preloader vcom device. Please help me. I'll be very thankful. Please :crying:
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Need Help, i was Brick my tablet

First, sorry for my bad english.
hello friend, i have tablet called ADVAN VANDROID T1S MTK6589. i was flash wrong firmware version, and now my tablet is completely dead. no logo, no vibrate.
i trying to flash again for correct firmware, spflashtoll wont recognized it.
computer detect my tablet as "Mediatek USB port" not "USB VCOM ........."
how to change mediatek usb port to usb vcom port? i think this is the problem.
what i try is.
install official driver -- not work
try find meta mode driver -- not work
i draining out my batrei then try to connect to pc again -- still detect as mediatek usb port, not vcom
please give me advice, how i can revive my tablet.
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Why is Maui META not detecting my android phone? Help.

I want to flash imei number on my android phone. But mauimeta is not detecting my phone. I'm using Maui META ver 9.1724.25.00 and I have Micromax C1. I turn off my phone, press reconnect button then connect it to my pc then my phone shows battery sign then I turn on my phone and wait but nothing happens, it never connects..... My phone was detectable in sp flash tools but God knows why is it not detecting in Maui META. I tried SN WRITER but it too didn't work. I have all the drivers installed or maybe I am missing one....... I don't know. I'm using windows 10. These are the drivers I'm using right now-
Android Gadget VCOM Driver (COM17)
Gadget Serial (COM18)
MediaTek DA usb VCOM Port (COM12)
MediaTek Preloader usb VCOM (Android) (COM19)
MediaTek Preloader usb VCOM Port (COM13)
MediaTek usb Port (COM20)
MTK usb Debug Port (COM14)
MTK usb Modem Port (COM15)
MTK usb Port (COM16)
Please help.
how did you resolve this?

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