Does firmware include ROM? - General Questions and Answers

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

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Flashing Back From a Custom Rom?

I want to know if is possible to flash back my (TP2) after flashing to a Custom Rom?
yes same way as you upgraded but just with the org rom rather then the custom rom
The org is the original Rom from my carrier?

Flashing telco's baseband onto stock firmware

I have a Z3 with stock prerooted firmware and would like to flash my telco's baseband to see if it will fix some issues.
Is this do-able with the flash tool? Is it possible to do this?
Also, are basebands strictly for the version intended?
It's been a while since I last flashed the rom so can't remember the tools.

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.

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

Shoud I have to flash MIUI 12.0.3 firmware also before flashing this rom or direct flashing is enough ?

Should I have to flash Firmware also or it's included ?
What ROM do you want to flash?

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