First Change S2 V21 By Fixers Free May 2026

Urgent! Help with the MSM tool (stuck in Param preload)

Hi

Please help! I have downloaded everything in this link:
https://forum.xda-developers.com/one...-guac-t3934691
It contains "guacamole_21_O.07_190512_repack" and "L2 drivers"

I have followed the mega unbrick guide:
https://forum.xda-developers.com/one...icked-t3934659

So far the pc can find "Qualcomm HS-USB QDLoader 9008 (COM7).
But it stuck when I use MSM tool to unbrick it!

It keeps Param Preloading..

Please, any help will be really much appreciated!

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@F1594194575391 said:
i am getting Error in MSM tool ( Param Preload ) device not match the image plz help me i am stuck at bootloader and device state is locked plz help me

Are you trying to use the OnePlus 6T MSMDownloadTool on a OnePlus 7 series phone... as per your post, here... https://community.oneplus.com/thread?id=1159996
Start the MSM tool with administrative privileges. Otherwise, the tool can't access the device and flash the image.
@Españoleto said:
Higives you some error messagedo not open msntool until the end and with administrator rights

Extract file first
Ciao a tutti, ho un oneplus 8 pro che all'avvio va in crashdump anche provando da recovery. Avevo appena aggiornato ad android 11 e provato con bootloader sbloccato a flash della twrp. Ho provato ad usare msmdowlnloadtool seguendo questa guida : https://forum.xda-developers.com/on...-unbrick-tool-to-restore-device-t4084953/amp/ scaricando questa versione OOS 10.5.11, msmdowbloadtool carica e mi restituisce l'errore : Param preload falied, come posso risolvere?
@R.Peter said:
Start the MSM tool with administrative privileges. Otherwise, the tool can't access the device and flash the image.

Thank you so much bro
i am getting Error in MSM tool ( Param Preload ) device not match the image plz help me i am stuck at bootloader and device state is locked plz help me
@H1550749123362 said:
HiPlease help! I have downloaded everything in this link:https://forum.xda-developers.com/one...-guac-t3934691It contains "guacamole_21_O.07_190512_repack" and "L2 drivers"I have followed the mega unbrick guide:https://forum.xda-developers.com/one...icked-t3934659So far ...

Were you able to fix it? I ran into the same problem. Need every help I can get.
@Polloux said:
i have the same problem triying to install twrp in Android 10, tried in different PC and nothing, the param stuck remain, luckly my brick was in the bootloader. I do a flash-all-partitions.bat in a stock fastboot rom and problem solved. I hope this can be used in your case.

Hi, I ran into a similar problem. Can you please tell me how you did this? I'll even pay you.
I was having that same issue on a Windows 7 PC with everything loaded properly, worked on the 1st try with Windows 10
i have the same problem triying to install twrp in Android 10, tried in different PC and nothing, the param stuck remain, luckly my brick was in the bootloader. I do a flash-all-partitions.bat in a stock fastboot rom and problem solved. I hope this can be used in your case.
@H1550749123362 said:
HiPlease help! I have downloaded everything in this link:It keeps Param Preloading..Please, any help will be really much appreciated!

Hi
gives you some error message
do not open msntool until the end and with administrator rights
@H1550749123362 said:
HiPlease help! I have downloaded everything in this link:https://forum.xda-developers.com/one...-guac-t3934691It contains "guacamole_21_O.07_190512_repack" and "L2 drivers"I have followed the mega unbrick guide:https://forum.xda-developers.com/one...icked-t3934659So far ...

I think the people who are able to help will need to know which OP device you are running. I'm not sure. Just assuming.
One plus 7t I have a OnePlus 7 Pro device, and the camera is not opening. The flashlight is also not working. Itmy first one plus family members