Flashing telco's baseband onto stock firmware - Xperia Z3 Q&A, Help & Troubleshooting

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.

Related

Flashing new baseband - IcySnap Rom

Hi
I want to flash the icysnap Rom and I understand that I need to flash a new baseband (I am running the stock 2.2.1 that came with the phone) my question is do I need to flash the baseband before of after I flash the rom???
And another question is when I connect my phone to the pc when I upgrade the baseband does it need to be on or off??
Thanks in advance!!!!
its more safer to install the new baseband v20 before you flash the rom thats what i did works perfect
thekidelvis said:
its more safer to install the new baseband v20 before you flash the rom thats what i did works perfect
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Ok great
Thanks man.
If you flash stock GB ROM using KDZ, then your baseband will be updated automatically. Here's how to do it: http://forum.xda-developers.com/showthread.php?t=875881.
Else, you can search for updating the baseband via LGMDP. There's no harm doing it before or after flashing a ROM supporting new baseband.

Quick firmware related question

Hey guys, just a quick question, must we always flash the firmware zip file first in bootloader before flashing a custom rom?
I ask this because I had already flashed the latest firmware (3.33.401.6) ages ago, I've been using albinoman887's CM 10.2 rom and Carbon Rom without any problems (well actually, I do have battery issues and 2 small minor issues). But today, I decided to check my firmware version using fastboot command
fastboot getvar version-main
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and I got something like 1.24.401.1.
Well, that's obviously wrong, so I flashed the firmware again and this time it shows the proper version.
So I was just wondering, does doing a full wipe or flashing a new rom affect the firmware at all? Must we flash it everytime prior to flashing a new rom? I don't understand how my firmware was changed even though all I've been doing is switching between JB custom roms.
doesn't affect the firmware at all
i don't know why it showed you that firmware version
flashing any custom rom doesn't affect firmware
there is no need to change it every time you are flashing a new rom
now leave it as it is

[Q] Move from LolliGPE to stock 5.0.1(rooted)?

I'd like to move from LolliGPE to the new stock verizon 5.0.1 rom and firmware. Is there anything I need to watch out for or any particular order? I'm currently still on the 4.4.4 firmware. Thanks
You should probably flash the firmware and radios before you flash any Lollipop Sense ROM

question about firmware

Im coming from an HTC device where flashing roms and flashing firmware were actually two seperate things due to security.
I was wondering that when you get a custom recovery on the LG G3, and flash a rom, do you have to also update your firmware as you go? Or does the firmware flash alongside the roms?
thanks
If you are referring to bootloaders and radios as firmware, then the rule regarding matching up the ROM to the radio applies as far as stock based ROMs go.

Phone doesn't work with any custom ROM's

My phone is with android 2.2 stock rom, rooted and with flashed recovery cwm 5.0.2, but when i tried to install any custom ROM's IMEI number is unkown and no have GSM signal. I sucessful reinstall stock rom with kdz updater, but can't to use any custom roms. Any possible solutions ?
Old baseband fix
When I try to update baseband it say this - You cannot download this image without its header file. I tried with v10 and v20 versions.

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