Cant use MSM unbrick tool. COM PORT not in device manager. Need help - OnePlus 6 Questions & Answers

new update bricked my phone. I'm trying to use msm unbrick tool to restore it. The msm application doesn't show any com ports. I cant get COM PORT to appear in device manager. Holding power and volume up turns off the screen, but that white light doesn't turn on like usual. Any help is welcome.
Fixed: Just needed to use a different USB port...... Phew

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Bricked my cubot S550

Somehow I have managed to brick my new cubot S550.
I wanted to update the rom so I headed to needarom and downloaded the appropriate rom and followed the instructions but somewhere along the line by pressing the vol keys and the power key the screen has gone black. This was done before I used any flash tools or install any drivers.
when I did plug it into the computer it was initially being seen as an unknown device but now I managed to install some drivers and it shows up as mediatek DA USB VCOM (android) (COM 5) I can install other drivers such as mediatek PreLoader USB VCOM Port and MTK USB Port and they seem to install but only after I untick show compatible hardware. When that is ticked then only mediatek DA USB VCOM shows in the list so I assume the state it is in is mediatek DA USB VCOM (android) (COM 5).
Unfortunately when I follow the instructions on needarom it throws up the error message S_COM_PORT_OPEN Fail(1013) so the flash tool obviously cannot communicate with the phone. This is the same even if I install the drivers as mediatek PreLoader USB VCOM.
The instructions on needarom are sort of wrong anyway because it instructs you to remove the battery etc but it is not a phone that has a removable battery.
I have two main questions.
How can I update the rom or failing that how can I get it off this black screen? I have tried different version of pressing the power button and vol keys and nothing is working.
Famineuk said:
Somehow I have managed to brick my new cubot S550.
I wanted to update the rom so I headed to needarom and downloaded the appropriate rom and followed the instructions but somewhere along the line by pressing the vol keys and the power key the screen has gone black. This was done before I used any flash tools or install any drivers.
when I did plug it into the computer it was initially being seen as an unknown device but now I managed to install some drivers and it shows up as mediatek DA USB VCOM (android) (COM 5) I can install other drivers such as mediatek PreLoader USB VCOM Port and MTK USB Port and they seem to install but only after I untick show compatible hardware. When that is ticked then only mediatek DA USB VCOM shows in the list so I assume the state it is in is mediatek DA USB VCOM (android) (COM 5).
Unfortunately when I follow the instructions on needarom it throws up the error message S_COM_PORT_OPEN Fail(1013) so the flash tool obviously cannot communicate with the phone. This is the same even if I install the drivers as mediatek PreLoader USB VCOM.
The instructions on needarom are sort of wrong anyway because it instructs you to remove the battery etc but it is not a phone that has a removable battery.
I have two main questions.
How can I update the rom or failing that how can I get it off this black screen? I have tried different version of pressing the power button and vol keys and nothing is working.
Click to expand...
Click to collapse
Hi,
I had a quite similar problem. I tried to flash recovery with SP flash tool, but nothing happened. Eventually I gave up and tried to turn on the phone without success. So I charged the phone for a while and tried several combinations of holding power and volume up button for a while, also without success. It turned out that it did not charge at all. Strangely enough the following worked:
Connect the phone to a charger -> Press Power and Volume up -> Unplug charger while holding Power and Volume up
This launched the bootloader. After a few seconds it turned off again. But now I was able to charge the phone again and after a short while the regular charging icon appeared. Now I can boot it up as usual.
Hopefully it works for you as well!

Need a new Motherboard? Or at least some help

I'm wondering if anyone has a Nexus 5 D821 motherboard in working condition that they would like to get rid of. Or if anyone knows of a way to get into Qualcomm 9008 mode from LGE Android Platform USB Serial Port. The phone seems dead, doesnt react to button presses, Vol Up+Vol Down+ Power doesnt change anything, the phone restarts back into LGE Android Platform USB Serial Port mode. No download mode. From what I know my EMMC wasn't dead (passed all the Board Diag Tests). Phone died after I flashed SBL1 with boarddiag (Even though I was told not to...)
There is a guide in general forums.
wangdaning said:
There is a guide in general forums.
Click to expand...
Click to collapse
Any links? From what i know i have tried all of them (LG flash tool, Board diag) I just cant get the phone to show up as anything other than the LGE Android Platform USB Serial Port
Excudent said:
Any links? From what i know i have tried all of them (LG flash tool, Board diag) I just cant get the phone to show up as anything other than the LGE Android Platform USB Serial Port
Click to expand...
Click to collapse
I hard bricked my phone yesterday and was stressing out quite a bit! Luckily I found this guide: http://forum.xda-developers.com/yureka/help/question-qualcomm-download-mode-k-t3068040
Note: I assume that you know what you are doing. Since you know about Qualcomm HS-USB QDLoader 9008 mode, you probably do, but you can do some serious harm with this mode.
Essentially, the gist of the guide comes down to installing the qualcomm drivers so that the phone becomes detected as a Qualcomm HS-USB QDLoader 9008. After this, you can use Boarddiag as you are used to to reflash the partitions. Note that for me, the phone was not in sahara dload mode and Boarddiag would not work. What I had to do was the following (these steps are done after the drivers are properly installed)
Unplug the Nexus 5 from your computer
Open the back cover and remove the 6 top screws holding the other protective cover
Disconnect the battery cable for 5 seconds. Reconnect it after
While holding the volume up and down button, plug it into your computer. It should now be in Sahara download mode and Boarddiag should work.
Let me know how everything goes!

Lenovo A850i cannot detect by pc after flash

hello guys, i have a problem with my lenovo A850i.
after flashing, my phone cannot on, i check my battery and its still in good condition, i try to flashing one again using SP flash tool, and now my phone were not detect by pc, the led will light up when i remove the battery when it connect to usb, but when i put back the battery,the light will close. i connect to usb and try mane button combination , but still not work...
i have been stuck with this about 3 day, i hope someone can help me..
Sorry for my broken englosh...
What did you flash exactly? You sure you flashed something that's specifically made for your phone ?
Also what combination have you tried yet.
Download another stock rom for your phone load scatter text ,click download and connect your phone to PC via USB while holding the vol+button only
northwindtrades said:
What did you flash exactly? You sure you flashed something that's specifically made for your phone ?
Also what combination have you tried yet.
Download another stock rom for your phone load scatter text ,click download and connect your phone to PC via USB while holding the vol+button only
Click to expand...
Click to collapse
Yes sir, im very sure that i flash lenovo A850i firmware, do u have any other combination for me to try to make my phone connected to pc, i have try holding vol+ button while connect to pc via usb, but it not work, all i have now just a red led light that turn on without battery
jimbo94 said:
Yes sir, im very sure that i flash lenovo A850i firmware, do u have any other combination for me to try to make my phone connected to pc, i have try holding vol+ button while connect to pc via usb, but it not work, all i have now just a red led light that turn on without battery
Click to expand...
Click to collapse
Meta mode( usually vol+ button) is the most successful way of of recovering from a hardbrick for lenovo but after looking up your device you guys coonect meta mode dffrntly.now this is the most successful way of unbricking your phone
pick the official ROM for A850i came with A850_203 multilanguage firmware.
You'll need MTK 65XX metamode driver – USB VCOM Preloader driver, if you previously installed then there is no need.
SP Flash Tool to download the firmware to the phone.
(Make sure you have a working version as some so tool don't work as they're supposed to into ,I'm using version 5.1)
Run SP-Flash Tool, map the scatter loading MTK6582 for your firmware, normally inside the firmware folder. It will mapped the necessary file and partition for your device, After that click Download and leave it searching for device, it will start flash when found the device,
so next we need to activate back the dead phone of Meta mode USB Vcom MTK65xx , firstly remove the battery, simply press and hold VOLUME UP & DOWN + Power Button simultaneously while reinsert USB that connect the phone to PC.
The previous SP Flash that searching for device will start the download process just after the META mode activated, if you failed then try repeat the step :fingers-crossed:
And hit the thumps up button if this post has been helpfull good luck:good:
northwindtrades said:
Meta mode( usually vol+ button) is the most successful way of of recovering from a hardbrick for lenovo but after looking up your device you guys coonect meta mode dffrntly.now this is the most successful way of unbricking your phone
pick the official ROM for A850i came with A850_203 multilanguage firmware.
You'll need MTK 65XX metamode driver – USB VCOM Preloader driver, if you previously installed then there is no need.
SP Flash Tool to download the firmware to the phone.
(Make sure you have a working version as some so tool don't work as they're supposed to into ,I'm using version 5.1)
Run SP-Flash Tool, map the scatter loading MTK6582 for your firmware, normally inside the firmware folder. It will mapped the necessary file and partition for your device, After that click Download and leave it searching for device, it will start flash when found the device,
so next we need to activate back the dead phone of Meta mode USB Vcom MTK65xx , firstly remove the battery, simply press and hold VOLUME UP & DOWN + Power Button simultaneously while reinsert USB that connect the phone to PC.
The previous SP Flash that searching for device will start the download process just after the META mode activated, if you failed then try repeat the step :fingers-crossed:
And hit the thumps up button if this post has been helpfull good luck:good:
Click to expand...
Click to collapse
Okay, i will try it first

Stuck on Black Screen

My OnePlus 8 is bricked. I was using Instagram & all of a sudden it went dead. I have tried to force reboot using the button combinations, tried to boot to recovery, nothing worked. Although my phone is detected on my PC but MSM Tool & ADB/Fastboot isn't working. It automatically connects and disconnects from the PC.
I don't have a service center in my country. Can someone please help?
Try a hard reboot.
To use MSM Tool I have to click Start and then connect the phone pressing the buttons. If I connect the phone before starting MSM Tool, my pc detects it but immediately get disconnected. Don't know if it is a bug of my pc, but you can try.
It's prolly stuck in EDL mode, best way is to just use MSM tool.

Question oneplus 9 got blacked out during flashing fastboot stock rom what can i do now

please read title and help
restore it with msm tool
how to connect the phone screen is black
If the screen is black it may already be in EDL mode. Plug it into a computer and check device manager for something like "Qualcomm HS-USB QDLoader." If that's there, you just need to get the MSM Tool for your model and make sure you have the right drivers.
If you can't get it into EDL mode, you will have to file a warranty claim with OnePlus, no other choice. Mess around with the buttons and see if you can get it to reboot or try the EDL key combo (hold volume up and down and while holding plug in the USB cable that's plugged into the computer). You don't have a chance of repairing it yourself if you can't get into EDL, end of story.
pc recognizing this Qualcomm HS-USB QDLoader in device manager but in msm tool it is showing n/a.and also in device manager it is showing triangle error on device.i am using official driver provided by msm tool poster.
Need some help unbricking (solved)
I bricked my OP9 doing some stuff today. It will not turn on, access bootloader, or anything. When I plug it into my computer, it makes a connecting sound, waits 10 seconds, then disconnect sound, then repeats the process. I tried using MSM...
forum.xda-developers.com
It's can help you
Well you're not the only one I guess. That happened to me as well. So perhaps, Alhamdulillah I can help you out
The screen still remains black that means your phone is in the EDL and you'll need to get it out of it and then get back to EDL again to use msm.
Anyway, hold the power + volume up + down all simultaneously for a while. It'll take you to the Fastboot mode. Don't worry, it definitely will take you to the Fastboot mode.
Then you can do the rest of the flashing as you wish

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