please help about kernel-recovery question of mine ? - Xperia Z5 Premium Q&A, Help & Troubleshooting

for a while i am using custom roms and other stuff but i could not get the logic of kernel and recovery. i know that recovery is the surface software we re using it to set up our system and other things.
and the kernel is the bridge between softwares and hardwares on device. but the question is.
which one should be install (or flash) first by the base and the second.
-example: i am looking for a good kernel and then search for a recovery to work with it and install upon the kernel ? or the other way. ?
-same question for choosing kernel and rom that i want to use . which one should i choose first then look for the other. ?
-and installing orders please ??
thank you so much.

Recovery and kernel/ROM are quite independent. You can choose the first one without caring about the two others.

If you want to think about it in steps, the Recovery can come first... Then the kernel that is best for your ROM... So Recovery/kernel/ROM.

Related

[Q] how to flawlessly install or update roms?

hi there guys.
before posting this question i searched for my problem and i couldnt find a solution, i hope someone out there had the same problem and can help a noob.
-i have a gt 7105 unlocked generic.
-rooted
-twrp 2.4.1
-custom rom (cleanRom, 4.5 (congrats to the developer by the way))
problem is, i can install with no problem the 4.5 version, ALTHOU there is a new version 4.6.1 that i just cant install.
on the recovery everything is fine ( of course i do clean flash, wipe cash, format etc) but then i get stuck with the "samsung gt 7105" boot screen.
guys, i think i am missing something, and its buggin me. thanks for reading, any help is welcome. ( sorry if im forgetin to post more info)
ps: i also have a xperia arc, (lupus kernel), with custom rom ( xperia ultimate HD 2.0.3) THAT i am also unable to update/flash a newer version(3.0)!! i think the problem can be related, so i mentioned it.
There is no template way to install or update roms. It must be specified by the dev as to how to update the rom or install it.
It varies with the degree of mods.
You can try changing to appropriate kernels and doing a data wipe.
this is XXXDDDAAA
UtkarshGupta said:
There is no template way to install or update roms. It must be specified by the dev as to how to update the rom or install it.
It varies with the degree of mods.
You can try changing to appropriate kernels and doing a data wipe.
this is XXXDDDAAA
Click to expand...
Click to collapse
yes, you are right, and i did as the dev recomended, more than 3 times. i forgot to mention that my kernel is the latest perseus. which is used also by some in conjuction with cleanRom. what is buggin me is that i have no problems with instaling the previous version (4.5).
is it possible that not having the latest TWRP be the source of the problem??
thanks in taking the time to reply
Pioneex said:
yes, you are right, and i did as the dev recomended, more than 3 times. i forgot to mention that my kernel is the latest perseus. which is used also by some in conjuction with cleanRom. what is buggin me is that i have no problems with instaling the previous version (4.5).
is it possible that not having the latest TWRP be the source of the problem??
thanks in taking the time to reply
Click to expand...
Click to collapse
Maybe ask the dev. Or go through the whole op again.
this is XXXDDDAAA

[Q&A] [ROM][4.4.4][hlte GSM & Sprint][Oct07] W03 Slim V27.1 *The clean AOSP*

[Q&A] [ROM][4.4.4][hlte GSM & Sprint][Oct07] W03 Slim V27.1 *The clean AOSP*
Q&A for [ROM][4.4.4][hlte GSM & Sprint][Oct07] W03 Slim V27.1 *The clean AOSP*
Some developers prefer that questions remain separate from their main development thread to help keep things organized. Placing your question within this thread will increase its chances of being answered by a member of the community or by the developer. Thanks for understanding and for helping to keep XDA neat and tidy! :smile:
How to flash SlimKat kernel update?
Yank555 said:
W03 Kernel Update
Changelog CAF-W03-Slim hlte v1.0i (10/10/2014)
reverted new fix for sensorhub wake issues (slayher) - generates an ssp wakelock (this will break temp and pressure !)
merged Samsung Update 8 back
merged Samsung Update 9 (arter97)
updated to full CM source as of 20141007
Click to expand...
Click to collapse
Hello There!
I currently have a T-mobile Note 3 Phone working with Metro PCS (Yes I switched the carrier) and everything seems to be working fine so far.
My phone is currently rooted and I also sucessfully flashed W03 SlimKat 27.1 so far I love this ROM.
My current kernel version is: 3.4.0 W03 Slim Kernel Tuesday Oct 7 2014.
Do you think I need this kernel update?: CAF-W03-Slim hlte v1.0i (10/10/2014)
If so, can you please tell me how to succesfully flash this kernel update? Do I need to wipe/clean the current kernel before installing this update?
jcroot88 said:
Do you think I need this kernel update?: CAF-W03-Slim hlte v1.0i (10/10/2014)
Click to expand...
Click to collapse
Need, no, but you may want it for the features it has.
jcroot88 said:
If so, can you please tell me how to succesfully flash this kernel update? Do I need to wipe/clean the current kernel before installing this update?
Click to expand...
Click to collapse
You just flash it like a ROM, no need to wipe anything, just flash. You'll get to a menu asking for options, if in doubt, stay with the default and just hit next.
If you want to get back your current (stock ROM) kernel, just reflash the ROM without wiping anything and you're back.
It's always a good idea to make a nandroid backup, you never know
JP.
Yank555 said:
Need, no, but you may want it for the features it has.
You just flash it like a ROM, no need to wipe anything, just flash. You'll get to a menu asking for options, if in doubt, stay with the default and just hit next.
If you want to get back your current (stock ROM) kernel, just reflash the ROM without wiping anything and you're back.
It's always a good idea to make a nandroid backup, you never know
JP.
Click to expand...
Click to collapse
Hello There!
Just in case I wiped the cache and delvik cache before flashing your custom kernel.
I followed the menu options and I only flashed the kernel (your custom kernel) since I thought if I flash something else I will have to re do the settings and install my phone apps again.
If I want to go back to the default ROM's Kernel, just flash the W03 ROM and that's all? without wiping or deleting anything? How about my phone settings and apps? Will they still be there?
jcroot88 said:
Hello There!
Just in case I wiped the cache and delvik cache before flashing your custom kernel.
I followed the menu options and I only flashed the kernel (your custom kernel) since I thought if I flash something else I will have to re do the settings and install my phone apps again.
If I want to go back to the default ROM's Kernel, just flash the W03 ROM and that's all? without wiping or deleting anything? How about my phone settings and apps? Will they still be there?
Click to expand...
Click to collapse
Yep.
But if you just flash my kernel (first menu choice) you're mostly on stock and don't profit from any of the benefits.
Reflash and go through the menus, just hit "Next" till you're through.
To get back, just reflash the ROM without wiping.
Your settings won't get lost.
But as I said, you should make a backup, it's always the safest thing to do.
JP.
Yank555 said:
Yep.
But if you just flash my kernel (first menu choice) you're mostly on stock and don't profit from any of the benefits.
Reflash and go through the menus, just hit "Next" till you're through.
To get back, just reflash the ROM without wiping.
Your settings won't get lost.
But as I said, you should make a backup, it's always the safest thing to do.
JP.
Click to expand...
Click to collapse
First of all, thank you for your quick tech support.
I did reflash your custom kernel and this time many windows options appeared and I just hit next until the end.
Everything seems to be working fine but can you please in a user friendly language tell me 3 o 5 simple facts of the benefits of flashing your kernel?
Also what is Wipe Cache and Delvik cache? I read somewhere else that it is a good idea to do this in order to install a new kernel .
jcroot88 said:
First of all, thank you for your quick tech support.
I did reflash your custom kernel and this time many windows options appeared and I just hit next until the end.
Everything seems to be working fine but can you please in a user friendly language tell me 3 o 5 simple facts of the benefits of flashing your kernel?
Also what is Wipe Cache and Delvik cache? I read somewhere else that it is a good idea to do this in order to install a new kernel .
Click to expand...
Click to collapse
Well you do use :
- different governor (handles CPU frequency)
- different hotplug driver (faux's intelliplug, that's handling CPU on-/offlining)
- touchwake (allows to wake the device by touching the screen when it times out)
- fastcharge (allows charging faster on USB chargers)
- etc. etc.
Might be worth having a read here and then here (Changelogs).
Dalvik cache wiping for kernels is useless, it won't hurt, but you'll lost time as you'll have to wait for it to be rebuilt on boot ("Android is updating your apps..."), cache partition can be usefull in my kernel's case, as it will help Aroma with an issue that sometimes settings don't get generated, so that you can do, won't cost much time. But in general for all kernels not using Aroma (menu system you saw while flashing), there's no need.
JP.
Hello, I would love to test Google's new Inbox on this GEM of a Rom. Anyone have an invite ?
Inviato dal mio SM-N900W8
I'm currently running v27. Is it safe to dirty flash to 28? Do I need to flash to 27.1 first?
Also I've noticed that video playback freezes occasionally when I seek repeatedly. Is this a common issue? Does it get fixed in the new release?
My smart cover only activates while closed and power button is pressed and not through calls. Is there an option to enable smart phone covers or has it not been implemented?
Safest way to update from V27.1 with Yank555 custom kernel to V28?
I have a similar question:
I am currently running V27.1 with Yank555 custom kernel but I would like to try out this V28 ROM update but I don't want to download and install my apps and settings all over again since they are a lot.
I am also using Nova Launcher and it looks like Nova Launcher was remove from V28.
Does any body know what will be the safest way to update from V27.1 (with Yank555 Kernel) to V28 (with the Stock kernel)?
Has development stopped on this rom? Not getting any news updates. Thanks in advance.
rafu007 said:
Has development stopped on this rom? Not getting any news updates. Thanks in advance.
Click to expand...
Click to collapse
I dont think so... You better get prepared for an update....maybe lollipop
Make that Lolli POP! Lolli Lolli (Pop That Body): http://youtu.be/pWIxj4JDtEE lol.?
Sent from my SHIELD Tablet using Tapatalk
Note 3 sm-n9006
Hi, I have a legit SM-N9006 3g Chinese variant on a touchwiz 4.4.2 rom, I am kind of new to roms and I'm wondering if the Slimkat rom would work for my phone. Thank you very much
Does this rom work on international note 3?
protected apps v28
I'm really liking this ROM. Great job.
I wanted to know if the protected apps feature is still in this ROM somewhere. If so, I can't seem to find it. Or, was it stripped out?
Hi everyone
I've been reading alot about this ROM and I really want to give it a shot
problem is ,, I have CWM recovery installed ,, can I use it to flash or TWRP is a must?
go easy on me, I'm a noob in all sense of the word
edit: boy.. looks like the last question to be answered was 6 months ago!!
Hi guys. I'm pretty new at this whole flashing thing and I've been working on a Note 3 (N900T) my uncle wasn't using anymore. I have been working on this for a few days now and this is the first thread I've come across that has a lot of success. I'd appreciate the help. I've tried to install the ROM from this thread but I got "e: failed to verify whole-file signature" when trying to install. Here's what I've done so far.
Wiped cache/user data.
run the ROM from the SD card (fat32) then that's when i get the error message.
Thanks in advance for the help.

[Q] New G3 owner with some questions.

I checked several of the threads in the various subforums but since I am currently really busy (have the phone for 3 weeks and I am not using it cause had no time to check XDA ) if you are kind enough I have some questions that spending more time in the threads would probably answer themselves but alas...
A: If I root the G3 can I bring it back to stock without any indication it got rooted (I heard some phones have special logs that show if a phone has been rooted that survive the various flashes), in case I need to send it for service?
B: Should I go with the root method shown on XDA TV (which doesn't show how to install a custom recovery) or one of the one click auto batch scripts?
C: I think generally this question is not allowed cause it can lead to flame but which ROM would you recommend I try first? I need just a clean, smooth running ROM. Disclaimer: Avoid arguing with other users if you disagree with something they said, just state the ROM and if you want your reason for picking it and I will scroll through them and decide.
Much obliged if you care to answer them and apologies to mods if this breaks any rules.
Nihim said:
I checked several of the threads in the various subforums but since I am currently really busy (have the phone for 3 weeks and I am not using it cause had no time to check XDA ) if you are kind enough I have some questions that spending more time in the threads would probably answer themselves but alas...
A: If I root the G3 can I bring it back to stock without any indication it got rooted (I heard some phones have special logs that show if a phone has been rooted that survive the various flashes), in case I need to send it for service?
B: Should I go with the root method shown on XDA TV (which doesn't show how to install a custom recovery) or one of the one click auto batch scripts?
C: I think generally this question is not allowed cause it can lead to flame but which ROM would you recommend I try first? I need just a clean, smooth running ROM. Disclaimer: Avoid arguing with other users if you disagree with something they said, just state the ROM and if you want your reason for picking it and I will scroll through them and decide.
Much obliged if you care to answer them and apologies to mods if this breaks any rules.
Click to expand...
Click to collapse
A: You can always go back to stock using LG flash tool with no evidence of rooting nor like samsung's knox
B: http://forum.xda-developers.com/showthread.php?t=3072767
C: I personally use resurrection remix rom based on CM12 due to performance but if you want fully working G3 with no bugs at all I recommend my favorite rom CupaChups 4.2. Super fast stock base rom with some extra features.
P.S. I recommend you to instal Kernel Adiutor from the play store after you root your G3 and change the governor from default Interactive to Conservative. Cos from some unknown reasons the Interactive governor is bugged on all G3 and changing that will highly increase your performance speed and feel. This works with base and aosp roms also.
Hope this helps
via LG G3 @ Resurrection Remix
Thank you, is there a problem if the phone is already on stock 5.0? Can I still root it with the same methods or must I restore it to 4.4.x? (A simple restore to factory blabla does it?)
Cheers
Nihim said:
Thank you, is there a problem if the phone is already on stock 5.0? Can I still root it with the same methods or must I restore it to 4.4.x? (A simple restore to factory blabla does it?)
Cheers
Click to expand...
Click to collapse
If you have a look around there's a one click method that works for all G3 variants regardless of software version that is here on the forums. You can use that, download the zip for your desired custom rom, install a custom recovery and then flash the ROM and you should be good to go. There's plenty of guides for you to use, and each custom rom thread should have it's own installation guide
iDefalt said:
If you have a look around there's a one click method that works for all G3 variants regardless of software version that is here on the forums. You can use that, download the zip for your desired custom rom, install a custom recovery and then flash the ROM and you should be good to go. There's plenty of guides for you to use, and each custom rom thread should have it's own installation guide
Click to expand...
Click to collapse
Thanks, guess will have to grab the first tutorial / ROM I see and go for it

Lg G3 (Root,Unroot and Roms Questions)

Hello to everybody !!!
I am new on xda developers and also new to android.I have been made a lot of mods on my previous phone iPhone.
I bought a new LG G3 D855 32 GB in Greece
I want to root my phone ,flash a rom but i dont know how.
I am very confused with the threads.
Please can somebody tell me :
1 )how to root
2) how to make a custom rom and how to install
3)How can i find the right stock rom for my phone and how to return to stock rom (I have the 32 Gb model and software version V20h-EUR-XX)
Konstantinosdj said:
Hello to everybody !!!
I am new on xda developers and also new to android.I have been made a lot of mods on my previous phone iPhone.
I bought a new LG G3 D855 32 GB in Greece
I want to root my phone ,flash a rom but i dont know how.
I am very confused with the threads.
Please can somebody tell me :
1 )how to root
2) how to make a custom rom and how to install
3)How can i find the right stock rom for my phone and how to return to stock rom (I have the 32 Gb model and software version V20h-EUR-XX)
Click to expand...
Click to collapse
Welcome to Android!
I'm sure you'll have a lot of fun
Typically you'll find a tab saying root info for each phone model in the forum. However, these tabs (same for ROMs) are typically not as updated as the forum threads. You'll find most info/guides for that kind of stuff in general, seeing how in most cases in concerns the phone in general, more-so than a specific development for the phone (such as a specific phone).
Make sure you carefully read the original post for each software seeing how different softwares can only be used in certain situations. For example, the LG G3 comes in different models, and some software only work for the specific ones, some things are developed for certain android versions (such as lollipop vs. kitkat), some softwares are developed for stock-based roms, and some are developed for aosp-based roms, and the list goes on.
It's not as complicated as it sounds, and it doesn't take as long as you might imagine to get settled, but it takes some getting used to.
To answer your specific questions:
1 )how to root
Click to expand...
Click to collapse
http://forum.xda-developers.com/lg-g3/general/guide-root-lg-firmwares-kitkat-lollipop-t3056951
2) how to make a custom rom and how to install
Click to expand...
Click to collapse
1. After you've rooted your phone, you need to install a custom recovery (http://forum.xda-developers.com/lg-g3/help/help-thread-lg-g3-question-t2947298, check Q4).
2. When done with that you download a [ROM (whatever the rom is called)].zip (http://forum.xda-developers.com/showthread.php?t=2772658), and typically Gapps, and place on SD card.
3. Boot into recovery, and wipe the phone (I usually go for factory reset/make fresh install + wipe cache + wipe Dalvik-cache)
4. Now you need to flash the ROM + gapps. Do that by install zip --> install from SD card --> click the [ROM].zip (and then gapps)
5. Reboot and enjoy!
3)How can i find the right stock rom for my phone and how to return to stock rom (I have the 32 Gb model and software version V20h-EUR-XX)
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=2785089
I'll admit that I have not read the specifics of each thread I've linked, so make sure that it applies to you before you go about and install stuff (by reading first post in each thread). Also, how you install might differ a little from rom to rom, so only use my instructions as additional instructions to the instructions typically written in the first post for each rom/software.
Note! Everytime you go about fiddling with the phone you do run the risk of bricking it. However, the risk of hard bricking your phone is quite slim as long as you read up a bit before messing about. On top of that, if anything would happen, such as a bootloop or soft bricking, just keep it cool. It happens to all of us from time to time, and I'll bet you that the very same thing you did wrong, has happened to someone before you, so just search the threads (starting with the thread it relates to). If you feel like playing safe, I would suggest you start off with one of the more established ROM-devs, such as CM.
I hope this helps!
Thank you munte89 for all your answers.i hope all this can help me.I have one more question.
LG G3 has 2 versions.16 GB & 32 GB .Is the firmware same for both or has each device his own firmware ??
Konstantinosdj said:
Anybody ????
Click to expand...
Click to collapse
Tip for the future: check out the pinned threads in each sub-forum because they typically pin threads concerning questions that arise often (such as how to get started)
Thank you munte89 for all your answers.i hope all this can help me.I have one more question.
LG G3 has 2 versions.16 GB & 32 GB .Is the firmware same for both or has each device his own firmware ??
Konstantinosdj said:
Thank you munte89 for all your answers.i hope all this can help me.I have one more question.
LG G3 has 2 versions.16 GB & 32 GB .Is the firmware same for both or has each device his own firmware ??
Click to expand...
Click to collapse
No worries! I know it can be difficult getting started
Well, it's different firmwares sometimes (eg different stocks). This is typically clearly pointed out in the instructions if that is the case. I have not encountered that where it comes to the custom ROMs, except for making sure you have the right model (eg D855). After you've installed a new ROM, you might want to go to settings --> about phone to check the information for any clues of using the wrong software.

S5 Aroma installation roms

Isn't there a better way to install stock based custom roms that uses Aroma installer other than changing TWRP back to an old version such as 3.0.1?
There is no possible way that Aroma installation would support on klte due to some issues. Sorry.
celeb90210 said:
Isn't there a better way to install stock based custom roms that uses Aroma installer other than changing TWRP back to an old version such as 3.0.1?
Click to expand...
Click to collapse
Well, do to the Facts, in which, using "Aroma" to install a whole Rom is not supported. This has not been fully supported from just about the beginning. As of Recent, early 2018...It was not being updated for really doing this! Also, As of today, I really have no clue why one would Need it, to install an App. Or Rom!!??!!?!
Now, knowing this, YOU pretty much Answered your Q! Rolling back to an older TRWP, would do the trick (I am not sure which one did ..at this time..been a while since I used Aroma..)
One would have to Roll back or use a Different and older Recovery Build. Seeing that you have asked this, here on Galaxy S5 thread. There are many older Recoveries, that "Did" Support that feature. Would have to look through the Threads.
Second, I am aware of any "...stock based custom roms ..." Really can't even think on one off the top of my head. There are other ways ( look through XDA- Galaxy S5 ) to install a custom Rom (Free-Droid) But again, Aroma was not, really meant to do a complete Rom (Yes, Google does have Apps, in which, one "Could" use Aroma, However, that is Installing "Their" Stuff.) Really not doing a whole Build! I Would actually Question a Rom, (Now a days) that would be installed that way.
Hope this helps you. Just trying to answer you Q

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