[Q] i want to know more about kernals & roms - Wildfire General

i am wondering, what is the kernal, what does it do, is it separate from the rom, or do those two stick together?
Could i, when 2.2 comes, keep stock 2.2 rom, and install another kernal that allows for overclocking, patched marked and so forth?
When installing a custom rom and kernal, does the devs send updates ota, or you have to update manually?
If you have a stock rom, and installs a different kernal, can you still install updates received from htc?

Related

Stock ROM Custom Kernel

I've been searching the forums to see if there is a custom kernel that you can flash over the stock rom. My friend did this to his motorola droid so that he could overclock the processor, so I assume someone has developed a similar kernel for the hero. Is this possible/does this kernel exist? I am aware that there are custom roms that allow for overlocking, but all I really want is a custom kernel.
Pick any kernel you want as far as I understand it. Of course, make a Nandroid first, then flash the new kernel. If you have any major problems with it, you can just restore the Nandroid, which will return you back to the stock kernel. I am about to embark on this same journey myself tonight. I'm going to use this one here - http://forum.xda-developers.com/showthread.php?t=705074 . Good luck to you in your endeavors.

[Q] FROYO and Custom ROMS

Dear All Experts,
I'm a newbie for Android and do have some questions to ask you guys. I have a rooted MT4G.
Dump question (possibly)
Do custom Roms come equipped with latest device software update ( Froyo and soon to be Gingerbread ) or I would have manually update my device software again once Gingerbread is out before I could flash new custom Roms again?
Flashable roms include all the software you will need. If/when gingerbread rom comes out - all you will need to do is wipe and flash.
Your apps are updated through market, rom has nothing to do with it.
Thank you very much for your comment.

[Q] Franco Kernel with stock?

Stock with Franco:
Will it work? Will it give the same benefits as CM 10.1?
Will OTA work? If I sideload OTA will I have to reflash kernel?
CM 10.1:
If I flash new ROM/update ROM, will kernel stay?
Thanks,
Yes the kernel will work. The kernel and rom in CM10.1 is obviously different to stock and francos so im not sure how they compare - try both yourself ?
Im not sure about OTA. I would just flash a AOSP stock ROM every time there is an update just in case if you want to stay on stock.
If you flash a new ROM no the kernel will not stay you have to flash the kernel again as CM10.1 (like most ROMs) comes with its own kernel that will overwrite your current one.
I've been wanting to ask this about faux's kernel since I'm having the (very common) msm_hsic_host wakelock issue. Since we're on the subject: does anyone have a suggestion for the most stable, closest to stock, AOSP ROM?

[Q] Firmware Updates, Rooting, Backing Up, Custom ROM Questions

Sorry for the noob questions. I just don't want to mess it up.
I plan to root shortly. I've watched a few YT vids, so I'm confident about doing that.
I'd like to about the order of doing things, if that makes sense.
At the moment, I've not downloaded the OTA firmware updates, so it's basic KK 4.4.4. But, I downloaded via SamMobile, the latest KK ROM (N910FXXU1ANK4_N910FBTU1ANK2_BTU)
Am I correct in thinking, I should reformat the phone (I've got nothing on the phone I want to keep), install the ROM from SamMobile via Odin (to be fully up to date with KK), then root and install TWRP, create a backup.
Then I'm free to install any custom ROMs, update to Lp?
Speaking of custom ROMs, at the moment I'd prefer to stick with KK, until Xposed is sorted and is easy to install when using Lp.
Without trying all the custom ROMs out there, do any support the fingerprint scanner, S Pen, Multi Window, S Health and the HRM or would I loose some/all of those features?
If in the future I upgrade to Lp, is it necessary to download/flash the latest stock ROM (to get the latest FW updates/fixes/security patches etc), before I installed a custom Lp ROM?
Thank you for any help and advice
Does anyone have any answers, before I try it and blow up my phone in a massive fireball?
You're pretty much such right on the above steps. Some (me included) prefer Phils CWR rather than TWRP as a custom recovery. Fair enough to stick with KK, but LP working ok with Xposed now, assuming you're using a custom rom. There are two distinct types of custom ROMs. Those based on touchwiz and those that aren't. The ones based on TW will be called things like BOD2 or BOE2 for LP or ANK2 for KK (like the one you pasted above). Other ROMs will be based on AOSP. The TW ones will work with the s-pen, fingerprint etc. The AOSP ones won't. You can go straight to LP custom from KK, you don't need to flash via a stock LP ROM but it doesn't harm to do so. The custom ROM installation instruction will often provide you with an extra bootloader/modem file to flash if you are coming from KK or a different version of LP. Stock ROMS do include bootloader and modem, custom ROMs generally don't.
Good luck
EyeTech said:
You're pretty much such right on the above steps. Some (me included) prefer Phils CWR rather than TWRP as a custom recovery. Fair enough to stick with KK, but LP working ok with Xposed now, assuming you're using a custom rom. There are two distinct types of custom ROMs. Those based on touchwiz and those that aren't. The ones based on TW will be called things like BOD2 or BOE2 for LP or ANK2 for KK (like the one you pasted above). Other ROMs will be based on AOSP. The TW ones will work with the s-pen, fingerprint etc. The AOSP ones won't. You can go straight to LP custom from KK, you don't need to flash via a stock LP ROM but it doesn't harm to do so. The custom ROM installation instruction will often provide you with an extra bootloader/modem file to flash if you are coming from KK or a different version of LP. Stock ROMS do include bootloader and modem, custom ROMs generally don't.
Good luck
Click to expand...
Click to collapse
Thank you very much, that's been a great help Respect to the People's Republik of Mancunian :good:
A TW ROM sounds the best option for me at this time.
A few more Q's if you don't mind (or anyone else).
1. Is it worth installing a pre rooted stock ROM (for the 910F), so I can get any possible OTA updates (KK or Lp) or is it nothing to worry about?
I'm not sure if any exist at the moment for the 910F?
2. Is it best to just install 910F based ROMs? (I'm thinking about the telephone side of things, connecting to UK carriers)?
Thank you.
0-0-0 said:
Thank you very much, that's been a great help Respect to the People's Republik of Mancunian :good:
A TW ROM sounds the best option for me at this time.
A few more Q's if you don't mind (or anyone else).
1. Is it worth installing a pre rooted stock ROM (for the 910F), so I can get any possible OTA updates (KK or Lp) or is it nothing to worry about?
I'm not sure if any exist at the moment for the 910F?
2. Is it best to just install 910F based ROMs? (I'm thinking about the telephone side of things, connecting to UK carriers)?
Thank you.
Click to expand...
Click to collapse
No prob. Yeah. I agree - go for a TW ROM. As for your questions:
1. No. OTA updates just take you from one stock ROM to next version of the stock ROM. OTA updates don't work well, usually failing, once you have rooted and maybe installed custom recovery. You can easily stay up to date without OTAs by just re-flashing with a new custom or stock ROM release. For me, the only reason to use a custom rom at present is to use Xposed (mostly to change DPI for different apps and also to add the symbols on the stock keyboard, oh and also to run a non-ads environment). If I was staying on KK I would have stayed on stock, rooted and then installed a custom recovery and Xposed. Currently Xposed is only compatible on the Note 4 with Lollipop if you are using a deodexed (custom) rom. All stock ROMs are ODEXED, and hence not compatible with Xposed (for now).
2. Yes. Stay away from ROMs for other variants (like the 910G). They're not compatible.
When you pick a ROM, ask questions in the ROM thread. It will be more read than these Q&A areas.
EyeTech said:
No prob. Yeah. I agree - go for a TW ROM. As for your questions:
1. No. OTA updates just take you from one stock ROM to next version of the stock ROM. OTA updates don't work well, usually failing, once you have rooted and maybe installed custom recovery. You can easily stay up to date without OTAs by just re-flashing with a new custom or stock ROM release. For me, the only reason to use a custom rom at present is to use Xposed (mostly to change DPI for different apps and also to add the symbols on the stock keyboard, oh and also to run a non-ads environment). If I was staying on KK I would have stayed on stock, rooted and then installed a custom recovery and Xposed. Currently Xposed is only compatible on the Note 4 with Lollipop if you are using a deodexed (custom) rom. All stock ROMs are ODEXED, and hence not compatible with Xposed (for now).
2. Yes. Stay away from ROMs for other variants (like the 910G). They're not compatible.
When you pick a ROM, ask questions in the ROM thread. It will be more read than these Q&A areas.
Click to expand...
Click to collapse
Thank you again, I appreciate the help

easiest rom to go with that includes everything like modem and gapps and such.

What is the best rom to go with that has the modem and gapps included? also one with good tethering/hotspot so I dont gotta be subject to carrier extortion and rape... LOL.
I want something easy to flash and stuff since I am not the best with this sorta thing and money is tight. So can't afford to buy a new phone.
Stock based ROM.
Sent from my GT-I9500
Which stock based one?
RemixedCat said:
Which stock based one?
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Click to collapse
So many. Just let your brain choose.
Sent from my GT-I9500
I don't have a lot of time.. That's why I posted here.
Ordering phone on Monday and going on a trip wed.
Wanna have the ROM by then with the least amt. of issues with straight talk.
Stay with the stock rom then. Most custom roms don't have gapps included.
Also, most custom roms require you to have a custom recovery. This requires additional flashing and time.
well I know about that but just some roms don't have modems or other things and I don't wanna have to search manually for stuff that's why I asked here !!
They're recommending stock because of the amount of time you have available to you before your trip. If you seriously want to flash a custom ROM prior to your trip, then you want to flash a Cyanogenmod-based or AOSP ROM. The question is, which version of Android do you want?
If you want Android 5.11, install Optimized CM12.1 + GApps.
If you want Android 6.0, AOSP 6 + GApps. If you want the goodies normally found in a Cyanogenmod-based ROM, then you want Synergy or CrDroid + GApps.
All the ROMs recommended install quickly with TWRP as your recovery. Keep in mind however that every ROM, even stock ROMs, will have bugs. However the bugs in the aforementioned ROMs will not prevent you from using the device. The good news is that unless you use a CDMA device such as a Verizon or Sprint Galaxy S4, you should not have to worry about which modem you have. The same cannot always be said for the Touchwiz ROMs, but even then, unless you have a pre-Android 5 modem you should be OK.
For Touchwiz-based ROMs, look at the ones available from Albe95. Regardless of which one you install, keep in mind that the package is much larger than Cyanogenmod or AOSP, and thus will take longer to install. Albe95 generally recommends the latest modem for your device, so if that is a deal breaker, then go Cyanogenmod/AOSP.
I want 4.4.x or 5.o for some of the betas I'm testing.
Will the ones you recommended have the modem included. I'd hate to have to hunt n peck n trial n error with that.
Custom ROMs do not include modems, period. If a ROM recommends a modem, you'll have to get it from the appropriate thread. I can tell you that AOSP and Cyanogenmod do not require a specific modem. For example, I'm running AOSP 6 on Straight Talk as we speak. I never upgraded the modem from the Android 5.0.1 version I installed seven months prior.
so CM doesn't include it? that sucks. what one do you recommend? and how is that flashed?
As mentioned, no custom ROM includes the modem in its download, because unless the ROM specifies otherwise, you use the one already on the phone. So in the case of Cyanogenmod, there is nothing special to do. Simply install the recovery through Odin, boot into the recovery, and install the ROM.

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