Shoud I have to flash MIUI 12.0.3 firmware also before flashing this rom or direct flashing is enough ? - General Questions and Answers

Should I have to flash Firmware also or it's included ?

What ROM do you want to flash?

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Does firmware include ROM?

Do I need to flash stock ROM after flashing firmware or is it included in the firmware?

Flashing ROM based on lower firmware version

I have the latest DPH2 firmware recently released.
Suppose I want to flash a custom rom Based on previous firmware e.g. DPG1, Can I flash it through TWRP or do I have to be on the same firmware (i.e. downgrade first)?
Same question for the Kernel base as well.

No imei after flashing a costum rom

Hello everyone
I tried to flash the Batman 1.5.0 rom and the Lineage 14 rom in my s7 G930F but i only can get a valid imei when i use a stock rom.
I used the batman rom for like 2 months and everything worked fine but now i cant use a costum rom anymore!
Does anyone knows how to fix this issue? Ty a lot
Cant flash to older versions. Grab the latest stock and flash yo get it back.
Wait for custom to be updated with even newer base then flash it
Saggy2121 said:
Cant flash to older versions. Grab the latest stock and flash yo get it back.
Wait for custom to be updated with even newer base then flash it
Click to expand...
Click to collapse
Ok i'll try it ty
Did it work?
Simple
Fixed!!!!
FIRST!!
1. FLASH BL AND CP from the stock firmaware!!
2. go to recovery and flash BATMAN ROM or another costum rom
3. When you install Batman rom just choose : KEEP CURENT MODEM AND BOOTLOADER!!! If you update that 2, the imei and the signal from the phone not working anymore.!!!
4. Just be sure again, flash BL and CP first from the stock rom! And keep the bootloader and modem don,t update from another rom!!!
Saggy2121 said:
Did it work?
Click to expand...
Click to collapse
I'll try it
alexyn19 said:
Fixed!!!!
FIRST!!
1. FLASH BL AND CP from the stock firmaware!!
2. go to recovery and flash BATMAN ROM or another costum rom
3. When you install Batman rom just choose : KEEP CURENT MODEM AND BOOTLOADER!!! If you update that 2, the imei and the signal from the phone not working anymore.!!!
4. Just be sure again, flash BL and CP first from the stock rom! And keep the bootloader and modem don,t update from another rom!!!
Click to expand...
Click to collapse
Thank you a lot i'll try it
ALWAYS backup your EFS folder, no matter what phone u have., and then save it on ur PC.
https://forum.xda-developers.com/s7-edge/how-to/guide-how-to-fix-check-drk-imei-issues-t3379516
This link solves most ppl with IMEI problems.

About "Rom firmware required"

So, this might be a total noob question, but I want to install miui port for my sm-g360h,it says that the "ROM firmware required is stock 4.4 KK" , but I've a lineage 14.1 N installed, will that be a problem?
Also one more thing, is there a difference between "port" and "ROM" ?
20Holmes20 said:
So, this might be a total noob question, but I want to install miui port for my sm-g360h,it says that the "ROM firmware required is stock 4.4 KK" , but I've a lineage 14.1 N installed, will that be a problem?
Also one more thing, is there a difference between "port" and "ROM" ?
Click to expand...
Click to collapse
They are referring to the stock firmware that is still on the device(i.e. modem, bootloader, etc..)
You have LOS 14.1 installed, but that is only the system partition. When you flash a custom ROM, it only flashes the system.img to replace the stock system.img, all of the other parts of your stock firmware are still there "under" the custom ROM.
In your case, the firmware that you have is everything that you had when it was stock, before you flashed a custom ROM. Do you know what stock firmware version you had before you modified the device? If your stock firmware was older than 4.4 then you need to update the firmware to 4.4 then flash TWRP again then your ROM again.
Or, if someone has converted the necessary parts of the 4.4 firmware into a recovery flushable .zip file, you can flash that zip via TWRP then flash your custom ROM.
Sent from my LGL84VL using Tapatalk

Downgrading possible

i using j701f it works well on custom rom but you now every custom rom have bugs and after some time you need to move to official rom but i want to to downgrade my j701f from u10 to u9 or later.
i have idea if work in anyone Mind!
is this possible to flashing CSC, CP, AP files in Custom recovery (Twrp/OrangeFox)
if possible then we can make zip of specific file from stock rom and then flash in recovery and easily downgrade our system without having trouble !
please help if anyone have idea.

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