[ENGINEERING][ROM][OFFICIAL] OFFICIAL Engineering Firmware for LANCELOT (Redmi 9 / Redmi 9 Prime)

[blazesprings]

@VD171 Hello brother, do I have to unzip the zipped firmware file before loading the Scatter file?
Can you please tell me how to load the firmware file to SP Flash tool? Please help. Thanks

 

[Roberto_83]

@VD171 Hello brother, do I have to unzip the zipped firmware file before loading the Scatter file?
Can you please tell me how to load the firmware file to SP Flash tool? Please help. Thanks

Usually you download TGZ.
Unzip TGZ to TAR
Unzip TAR to DIRECTORY

Now with SP_FLASH_TOOL select the scatter into:

DIRECTORY/IMAGES/MT6768_Android_scatter.txt

Automatically SP_FLASH_TOOL select all the file

 

[blazesprings]

Hello @Roberto_83 I am not seeing any progress in the progress bar.
1. I have loaded the scatter file to the SP Flash Tool. preloaded, recovery, vbmeta.... all are getting selected.
2. Pressed the Download button.
3. Connected the phone in switch off mode.
Am i doing anything wrong or have I skipped anything? Here's the screenshot. Please help.
Can you please give a short tutorial how to flash using SP Flash Tool?

Thanks.

 

[Roberto_83]

Hello @Roberto_83 I am not seeing any progress in the progress bar.
1. I have loaded the scatter file to the SP Flash Tool. preloaded, recovery, vbmeta.... all are getting selected.
2. Pressed the Download button.
3. Connected the phone in switch off mode.
Am i doing anything wrong or have I skipped anything? Here's the screenshot. Please help.
Can you please give a short tutorial how to flash using SP Flash Tool?
View attachment 5822635

Thanks.

Hi,
I send you a private message conversation.
Please reply me

Bye

 

[blazesprings]

Hello @VD171 Brother, in the SP Flash Tool which partitions should I select? Here's my screenshot Please help.

 

[Roberto_83]

ADB commands*

Thanks,

*I connected with USB Debug.
*I send "adb device" and I see phone
*I send "adb reboot fastbpot" and phone restart
*I send "fastboot flash vbmeta vbmeta.img" and I see transfer information, but after few second I see transfer completed and from PC black screen I see errore transfer.

Maybe I have to unlock bootloader?

You told me I can flash vbmeta also without unlock bootloader but maybe I dont understand.

For other people, the only ufficial ROM that let me to restored also NFC with also split screen is 12.0.1.0 QJCMIXM

 

[Theking58900]

If you have locked bootloader, you can flash vbmeta and boot from sp flash tool

 

[Roberto_83]

If you have locked bootloader, you can flash vbmeta and boot from sp flash tool

If I use SP FL TOOL to flash vbmeta and boot (after write IMEI 2), as I had already tried, I reboot and system show SYSTEM DESTROYED.

I tried to do immediately after wrote IMEI2 (without reboot).
And also I tried to do after boot system, register Google account, waiting for app upgrade, than power off and connect with SP FL TOOL.
But in both cases, always returned SYSTEM DESTROYED.

So the only way is to unlock bootloader I think.

 

[Theking58900]

Vcom drivers works however, also if they are unsigned. For modem meta, install libusb and mtk drivers from attached file and read carefully these steps:
1) Format & flash MIUI (MIUI 13 should work);
2) after flash, deselect ALL partitions except md1img;
3) in md1img, select attached IMG file in my previous post and flash it (remember to tick ONLY md1img);
4) format nvdata & nvram;
5)Power off phone, open modem meta (click connect button) and mtkmeta utility, press and hold vol- and connect it to pc; modem meta should have to recognize phone automatically;
6) write only IMEI 2 and reboot (if you write both IMEI, you'll get NV data is corrupted and phone won't boot);
7) the SIM should work (remember to put it in slot 2);
Optional step(if you want also IMEI 1):
8)flash attached vbmeta.img and boot.img, open Modem meta and write IMEI 1; phone should boot and both IMEI's should work.

Try to refollow carefully this guide

 

[yas8say]

Vcom drivers works however, also if they are unsigned. For modem meta, install libusb and mtk drivers from attached file and read carefully these steps:
1) Format & flash MIUI (MIUI 13 should work);
2) after flash, deselect ALL partitions except md1img;
3) in md1img, select attached IMG file in my previous post and flash it (remember to tick ONLY md1img);
4) format nvdata & nvram;
5)Power off phone, open modem meta (click connect button) and mtkmeta utility, press and hold vol- and connect it to pc; modem meta should have to recognize phone automatically;
6) write only IMEI 2 and reboot (if you write both IMEI, you'll get NV data is corrupted and phone won't boot);
7) the SIM should work (remember to put it in slot 2);
Optional step(if you want also IMEI 1):
8)flash attached vbmeta.img and boot.img, open Modem meta and write IMEI 1; phone should boot and both IMEI's should work.

Hello ,
Is this temporary or permanent fix?
Like if I update the rom will it be back to square one?

 

[Theking58900]

Hello ,
Is this temporary or permanent fix?
Like if I update the rom will it be back to square one?

Sadly it's temporary because if you do an upgrade to next version of Android, your device will brick; but If you upgrade to next MIUI, your device should work because MIUI 13 and 14 will have same android version on this device. I can't fix that brick issue

 

[Theking58900]

Sadly it's temporary because if you do an upgrade to next version of Android, your device will brick; but If you upgrade to next MIUI, your device should work because MIUI 13 and 14 will have same android version on this device. I can't fix that brick issue

If you want updates, you have to install a custom rom

 

[Roberto_83]

Try to refollow carefully this guide

Hi KING

I follow your guide carefully and i reach point number 6.
I'd like to add point number 7, so to get also IMEI 1.

I don't have any issue to follow your guide from 1 to 6 ( I can format and flash all the time I want and starting with all ROM I want ( I downloaded all ROM) I reach always 6.

I am also able to flash 11.0.9.0 and than upgrade with OTA till 12.5

Now I understand that for point 7 I have necessary to unlock bootloader.
There aren't any other way.

I have a issue in this way:

• I connect MI Account into the options
• I open development option
• I enable OEM unlock and Debug USB
• When I check MI Account Status I receive an error message, for example "try later" or "you have no connection" or "request parameter error"

If I try at the same to unlock bootloader with my PC, fastboot mode, connect cable, I reach 99% and than I receive an error because MI Account Status is not connected.

I try to create also another account and try but nothing.

Do you know any tricks?

THX

 

[Theking58900]

Hi KING

I follow your guide carefully and i reach point number 6.
I'd like to add point number 7, so to get also IMEI 1.

I don't have any issue to follow your guide from 1 to 6 ( I can format and flash all the time I want and starting with all ROM I want ( I downloaded all ROM) I reach always 6.

I am also able to flash 11.0.9.0 and than upgrade with OTA till 12.5

Now I understand that for point 7 I have necessary to unlock bootloader.
There aren't any other way.

I have a issue in this way:

• I connect MI Account into the options
• I open development option
• I enable OEM unlock and Debug USB
• When I check MI Account Status I receive an error message, for example "try later" or "you have no connection" or "request parameter error"

If I try at the same to unlock bootloader with my PC, fastboot mode, connect cable, I reach 99% and than I receive an error because MI Account Status is not connected.

I try to create also another account and try but nothing.

Do you know any tricks?

THX

You get mi account error without SIM card

 

[Roberto_83]

You get mi account error without SIM card

I installed SIM into slot number 2 after wrote IMEI with modem meta.
I got 3G and 4G connection, I can make phone conversation or using telegram/whatsapp/SMS messaging. So my network works.

I could use my phone also with only one SIM, but I'd like to restore completly

 

[Theking58900]

I installed SIM into slot number 2 after wrote IMEI with modem meta.
I got 3G and 4G connection, I can make phone conversation or using telegram/whatsapp/SMS messaging. So my network works.

I could use my phone also with only one SIM, but I'd like to restore completly

You can restore also IMEI 1

 

[Theking58900]

You can restore also IMEI 1

Flash my boot and vbmeta files and try to write IMEI 1

 

[Roberto_83]

Flash my boot and vbmeta files and try to write IMEI 1

Now, with only IMEI 2 restored and bootloader locked, I think I can't flash your file with ADB Command, but if you tell me that I can do it, I'll try.
The only solution that I know is to flash using SP Flash Tool.
I tryed with spflashtool but after flash, when I power-on the phone I receive a SYSTEM DESTROYED message and phone swap into fastboot.

 

[Theking58900]

Now, with only IMEI 2 restored and bootloader locked, I think I can't flash your file with ADB Command, but if you tell me that I can do it, I'll try.
The only solution that I know is to flash using SP Flash Tool.
I tryed with spflashtool but after flash, when I power-on the phone I receive a SYSTEM DESTROYED message and phone swap into fastboot.

Sadly the unique method is to flash both files from fastboot, there aren't any other way.

 

[Roberto_83]

Sadly the unique method is to flash both files from fastboot, there aren't any other way.

Hello, IDIOT-BOY come back

Please I ask another time your help.
I delete my MI ACCOUNT before logout by my phone.
Now the phone is locked in black screen asking me a password of an account deleted.

I tried to reflash (sp_flash_tool with format+download) a stock ROM but nothing to do.

I am able to reboot with new installed rom, but if I connect to WIFI or SIM-CARD, after few seconds it returns in black screen.

Only ENG ROM work with WIFI or SIM without black screen.

Is there any solution to delete this check??

Thanks to all