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Flashing a rom from Asus Stock 4.1.1

Hi,
I was wondering what steps I would need to take to go from
TF300T
Stock 4.1.1
Build# JRO03C.WW_epad-10.4.2.9-20120809
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To be able to flash into a Kitkat Stock-based ROM or KatKiss 5.0.1? I need to stick with stock based so my flashed touch firmware will stay.
If someone could link me to the proper tutorials/guides that would be great.

hkp2 said:
Hi,
I was wondering what steps I would need to take to go from
To be able to flash into a Kitkat Stock-based ROM or KatKiss 5.0.1? I need to stick with stock based so my flashed touch firmware will stay.
If someone could link me to the proper tutorials/guides that would be great.
Click to expand...
Click to collapse
In order to use the new KitKat ROMs, you actually have to upgrade to the latest stock firmware (JB 4.2). The new TWRP and ROMs require the newer bootloader. I'm not that familiar with the touch firmware and how that works, but I'm not sure if that is upgradable too?

First OTA to 4.2, then install any recovery (see Question and answer section) and then flash ROM.

[q] about modem....

Hello guys,
Currently I´m using OPO alpha LP radio - Baseband: .3.0.c6.5-00007-M8974AAAAANAZM-1 and I´m running the latest version of SlimSaber ROM CM 12.1 + latest version of AK Kernel + MultiROM.
My question is can I flash other baseband like 44S? I have tiny problems of signal and I want try new modems/basebands? Whar baseband do you recommend to me?
Thanks in advance guys.

Istvan_86 said:
Hello guys,
Currently I´m using OPO alpha LP radio - Baseband: .3.0.c6.5-00007-M8974AAAAANAZM-1 and I´m running the latest version of SlimSaber ROM CM 12.1 + latest version of AK Kernel + MultiROM.
My question is can I flash other baseband like 44S? I have tiny problems of signal and I want try new modems/basebands? Whar baseband do you recommend to me?
Thanks in advance guys.
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You can update your modem, but you can't use a KitKat modem as they're incompatible with Lollipop. Nobody can recommend one as modem performance varies depending on unique factors like your location. You'll find some here:
http://boeffla.df-kunde.de/bacon/modems/

Heisenberg said:
You can update your modem, but you can't use a KitKat modem as they're incompatible with Lollipop. Nobody can recommend one as modem performance varies depending on unique factors like your location. You'll find some here:
http://boeffla.df-kunde.de/bacon/modems/
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Unfortunately you are wrong.I have been using Kitkat modem on Lollipop roms since first Lollipop rom released.Also Sultanxda has a Lollipop rom with 44s modem which is Sep10.But you need to flash sensor fix with Kitkat modem on Lollipop rom,also auto rotation might not be working.Yet if you flash Sultanxda rom mentioned you dont have any of these problems.Pls be advised.

maskelisuvari said:
Unfortunately you are wrong.I have been using Kitkat modem on Lollipop roms since first Lollipop rom released.Also Sultanxda has a Lollipop rom with 44s modem which is Sep10.But you need to flash sensor fix with Kitkat modem on Lollipop rom,also auto rotation might not be working.Yet if you flash Sultanxda rom mentioned you dont have any of these problems.Pls be advised.
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I'm aware of that. But it isn't advisable because it can cause other problems.

Heisenberg said:
You can update your modem, but you can't use a KitKat modem as they're incompatible with Lollipop. Nobody can recommend one as modem performance varies depending on unique factors like your location. You'll find some here:
http://boeffla.df-kunde.de/bacon/modems/
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Click to collapse
First of all thanks both for your help, after a long weekend outside home I read today your answers and I have a question, following the link that you provided to me, what modem package should I download to start trying modems if I´m using a 5.1.1 ROM? Maybe this link is for me Full-CM12-16.02.15-modem-flashable.zip ?
Also for flash a new modem I just need to flash it through recovery right?
Thanks in advance.

Istvan_86 said:
First of all thanks both for your help, after a long weekend outside home I read today your answers and I have a question, following the link that you provided to me, what modem package should I download to start trying modems if I´m using a 5.1.1 ROM? Maybe this link is for me Full-CM12-16.02.15-modem-flashable.zip ?
Also for flash a new modem I just need to flash it through recovery right?
Thanks in advance.
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That one is fine, and so are the top two (they're more recent too).

Hi there
I'm having problems with radio (poor data reception and wifi problems). I thought on upgrade radio firmware (currently DI.3.0.c6-00230-M8974AAAAANAZM-1 with latest update YOG4PAS1N0) but i wonder if the radio firmware is downgradeable or it's locked (like iphone does).
Thanks!

Heisenberg said:
That one is fine, and so are the top two (they're more recent too).
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So I can try to flash the modem that I link in my previous post and also with Full-YNG1TAS0YL-modem-flashable.zip or Full-OxygenOs-1.0.0-modem-flashable.zip even if it´s the OxygenOs modem right?
Thanks again for all your help, you always answer me!!!! xD

Istvan_86 said:
So I can try to flash the modem that I link in my previous post and also with Full-YNG1TAS0YL-modem-flashable.zip or Full-OxygenOs-1.0.0-modem-flashable.zip even if it´s the OxygenOs modem right?
Thanks again for all your help, you always answer me!!!! xD
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Yes, any of those three are fine.

Heisenberg said:
Yes, any of those three are fine.
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Ok, I try and post the results here. Really thanks.

A few questions

Hey guys! So I have a few questions about the oneplus one here, I'm checking for a friend and I always had a nexus where matching firmware doesn't really matter much. So here they are.
1) What happens if you have the wrong firmware for a rom? Softbrick? Hardbrick? Nothing at all?
2) For a Nougat rom, what firmware do you use? Since this phone hasn't got an official firmware update for Nougat yet.
3) Is there a special recovery here on XDA that can flash all roms? (there was one for the oneplus two) or is TWRP good for all roms?
What confuses me the most about oneplus devices is how the firmware works different from most Android devices. Thanks guys!

H4X0R46 said:
Hey guys! So I have a few questions about the oneplus one here, I'm checking for a friend and I always had a nexus where matching firmware doesn't really matter much. So here they are.
1) What happens if you have the wrong firmware for a rom? Softbrick? Hardbrick? Nothing at all?
2) For a Nougat rom, what firmware do you use? Since this phone hasn't got an official firmware update for Nougat yet.
3) Is there a special recovery here on XDA that can flash all roms? (there was one for the oneplus two) or is TWRP good for all roms?
What confuses me the most about oneplus devices is how the firmware works different from most Android devices. Thanks guys!
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Click to collapse
1)I tried all below firmware, nothing wrong happens, I cannot identify any differences. I'm now just use the stock firmware: DI.3.0.c6
* http://forum.xda-developers.com/oneplus-one/general/firmware-modem-oneplus-one-lollipop-t3300907
** actually this post copy the exact my same post from "cyanogenmod forum"
bacon_firmware_update_2015_05-15_DI.3.0.c6-00241.zip <--- Currently bundled with latest CM13 nightly
bacon_firmware_update_2015_10-15_.4.0.1.c7-00013.zip
bacon_firmware_update_2015_12-30_.4.0.1.c7-00011.zip
bacon_firmware_h2os_update_2015_12-30_.4.0.1.c1.11-00004.zip
bacon_firmware_oxygen_update_2016_01_22_.4.0.1.c7-00013
bacon_firmware_update_2016_1-25_.4.0.1.c7-00011.zip
2)I'm now using ROM: "lineage-14.1-20170126-Okeys-bacon" from https://forum.xda-developers.com/oneplus-one/development/rom-unofficial-okeys-builds-t3534899
* it provide firmware "DI.3.0.c6" by default
3)TWRP is preferred, it is powerful and support for all ROMs

xiaoguazh said:
1)I tried all below firmware, nothing wrong happens, I cannot identify any differences. I'm now just use the stock firmware: DI.3.0.c6
* http://forum.xda-developers.com/oneplus-one/general/firmware-modem-oneplus-one-lollipop-t3300907
** actually this post copy the exact my same post from "cyanogenmod forum"
bacon_firmware_update_2015_05-15_DI.3.0.c6-00241.zip <--- Currently bundled with latest CM13 nightly
bacon_firmware_update_2015_10-15_.4.0.1.c7-00013.zip
bacon_firmware_update_2015_12-30_.4.0.1.c7-00011.zip
bacon_firmware_h2os_update_2015_12-30_.4.0.1.c1.11-00004.zip
bacon_firmware_oxygen_update_2016_01_22_.4.0.1.c7-00013
bacon_firmware_update_2016_1-25_.4.0.1.c7-00011.zip
2)I'm now using ROM: "lineage-14.1-20170126-Okeys-bacon" from https://forum.xda-developers.com/oneplus-one/development/rom-unofficial-okeys-builds-t3534899
* it provide firmware "DI.3.0.c6" by default
3)TWRP is preferred, it is powerful and support for all ROMs
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Thanks! So it's not as important as it seems? I notice some roms here on XDA specifically say to have the newest firmware, or a certain version. The rom is still expected to boot? And what's the worst case scenario? A soft brick that can be easily fixed with TWRP or something worse? Thanks for the reply! Like I said, I'm coming from a Nexus 6 where none of this firmware stuff really applies :angel:

H4X0R46 said:
Thanks! So it's not as important as it seems? I notice some roms here on XDA specifically say to have the newest firmware, or a certain version. The rom is still expected to boot? And what's the worst case scenario? A soft brick that can be easily fixed with TWRP or something worse? Thanks for the reply! Like I said, I'm coming from a Nexus 6 where none of this firmware stuff really applies :angel:
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Yes the rom is a still expected to boot,though,the recommended frimware is to be used so as to avoid any bugs.
However,some roms do require the recommended frimware in order to boot but I don't think even if flash any rom which needs recommended frimware will take you in any kind of brick condition as when you flash a rom on incompatible frimware you'll see error in Twrp,if so happens you just need to have recommended frimware in your storage and flash it then flash the rom again and you'll not face any errors.
Good luck!

H4X0R46 said:
Hey guys! So I have a few questions about the oneplus one here, I'm checking for a friend and I always had a nexus where matching firmware doesn't really matter much. So here they are.
1) What happens if you have the wrong firmware for a rom? Softbrick? Hardbrick? Nothing at all?
2) For a Nougat rom, what firmware do you use? Since this phone hasn't got an official firmware update for Nougat yet.
3) Is there a special recovery here on XDA that can flash all roms? (there was one for the oneplus two) or is TWRP good for all roms?
What confuses me the most about oneplus devices is how the firmware works different from most Android devices. Thanks guys!
Click to expand...
Click to collapse
1. If you are using TWRP, nothing will happens. Because when you flash a ROM, TWRP will comparing your phone model with build.prop on the targeted ROM. Because based on my experience, somehow i download LineageOS for d802 and flash it to my bacon. TWRP gives an error and didn't flash any firmware. I don't know about CWM or other recovery
2. I'm using Lineage OS. It's pretty good so far. No bug or whatever
3. TWRP is good for all ROM. i think any recovery will do

Build Number Question

My current build number is 2.42.617.6 and kernel is 4.4.78. I was wondering if I could revert back to the 2.42.617.1 RUU with the same kernel since that's the only one HTC offers on their site. Or do I have to be rooted to revert back? Also would I just be better off rooting and installing a custom Oreo build? I do have the unlocked version. Just trying to see if I can fix some minor issues. Thanks

travle said:
My current build number is 2.42.617.6 and kernel is 4.4.78. I was wondering if I could revert back to the 2.42.617.1 RUU with the same kernel since that's the only one HTC offers on their site. Or do I have to be rooted to revert back? Also would I just be better off rooting and installing a custom Oreo build? I do have the unlocked version. Just trying to see if I can fix some minor issues. Thanks[/
This is a excellent guide for ruu install, (https://forum.xda-developers.com/showpost.php?p=72425224&postcount=5) ,, and I believe what ever kernal is on the ruu will be installed.
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Thanks I give it a look.

Question Do I need to update the firmware (or radio or baseband)? (Not ROM)

I received my New Poco X3 Pro, waited 1 Week for unlock and flashed Arrow OS 11.
I did not install a Xiaomi ROM because I want a Custom ROM on there.
Do I need to update the firmware (or radio or baseband)?
How do I find out what firmware is currently on my phone?
Based on this site, the latest firmware would be V12.5.4.0.RJUEUXM.
Xiaomi Firmware Updater
The ultimate script that provides firmware packages for Xiaomi devices.
xiaomifirmwareupdater.com
However, I do not find any clue about the baseband on my phone.
In Settings-about-Android version the baseband is listed but there is no version number close to V12...
How do I get the current firmware version and do I need to update it?

You have to decide wether to work with stock firmware or custom rom (firmware)... the stock is provided often in "waves" so it could be that you receive a new firmware over ota, but a friend with the same device will gett it 3 weeks later. with stock firmware you get some updates, but with custom nobody guarantees you new versions. I´m very happy with AICP 16.1, which distributes a new Rom Version every Friday... Tomorrow i will get a new version with regularyly smaller bug fixings. My version is from 4th of february ... i never updated radio or baseband with all my devices, normally you dont need to, its in the custom roms

I am talking about firmware, not the ROM.
The firmware/radio is updated separately.

since more than 20 years of mobiles i have never got a seperate(!) radio update (but i flashed different radio versions to adapt custom roms (from australia i.e) to local conditions). Afaik stock firmware made by manufacturer, adapted to the given hardware and build on the differnt Android versions. Custom Roms are the same but made not by manufacturer but by "free" developers. If it is not so, it would be nice to hear how it is in reality....

The Pixel Experience ROM contains this firmware images for radio or need to be update separately?

andris155 said:
The Pixel Experience ROM contains this firmware images for radio or need to be update separately?
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You don't need to flash firmware because any of them should work. I flash many rom but haven't flash any firmware.

In an ideal world, the latest firmware should ideally provide performance optimization or bug fixes or securities updates or new features etc.
Of course, unlike drivers, they not obligated to keep us in loop what the update is about.

Lu5ck said:
In an ideal world, the latest firmware should ideally provide performance optimization or bug fixes or securities updates or new features etc.
Of course, unlike drivers, they not obligated to keep us in loop what the update is about.
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Click to collapse
performance opitmization , bug fix and securities update should be include in the rom and kernel. Firmware isn't rom so that should be no need.

Alec Chan said:
performance opitmization , bug fix and securities update should be include in the rom and kernel. Firmware isn't rom so that should be no need.
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Firmware is an read only system and just like any system it has purposes which this case it provide instructions on how to communicate with the hardware. Just like any piece of codings, it can contain bugs or exploits or unoptimized codings like looping 10 times to do one thing.