Preferred method of flashing an old MI9 build to a current custom ROM. - Verizon Galaxy Note 3 Q&A, Help & Troubleshooting

I'm still on the OEM MI9 build. I got my phone about a week after it was released, rooted it using the Root de la Vega method, I then froze all OTA methods with Titanium Backup and, due to the lack of custom rom availability back then, was happy with just installing some Xposed modules. But 2 years later my Note 3 is feeling a little old and I want to try to breathe new life into it with a custom ROM.
I've been reading up on the state of custom ROMs with this phone but there is a lot of information to take in. I want to try to install and run JasmineROM v6.1 (Seems to be the most active ROM available for this phone) as my daily driver. I have seen numerous posts stating that going above android 4.4.2 will put me at risk of losing root and I want to prevent that as much as possible.
Is there an easy way for me to clean my system (remove all apps and data) without me moving to a higher android build and losing my root?
Would it make the most sense for me to install multisystem, use my MI9 build as the stock partition, and then just run the JasmineROM in a virtual slot or am I completely misunderstanding how multisystem and custom roms on this phone work?
Can I stay on MI9 or do I need to update to NC2/NC4 that most threads talk about before installing any custom ROMs.

Related

[i9505]A few questions...

Hi all,
It's been awhile since I've last modded my phone (came off of a t-mobile Vibrant). In the beginning, it used to be easy flashing and modding, but since the whole KNOX debacle, I haven't wanted to touch my phone in fear of screwing over my warranty (for this reason alone, this will definitely be my last Samsung purchase). My phone is still on it's original 4.2.2 firmware but my internal SD is almost completely full and I've moved all that I could onto my external SD already. Not only that, but I'm tired of having to close out some 26-28 apps running in the background everytime I want to play a game or read my kindle.
Now that I've gone through that little story, I'm trying to catch up on things on the forum. Here are a few questions in the back of my mind that I need to know the answer to:
a. If I decide to flash a custom 4.4.+ ROM and want to go back down to my stock one (for warranty purposes) would it be possible to downgrade?
b. Is Kitkat stable or should I stick to the 4.3 ROMs?
c. If I get a custom AOSP ROM, would I definitely lose features such as screen mirroring (I use that one a lot since I also own a Sammy tv)?
d. Are there custom bootloaders available (I REALLY want to avoid anything remotely official looking)?
e. Which ROMs tend to be the more stable - AOSP or TWiz based?
Thanks in advance for any info shared.
a. For the ROM and modem yes, but you will NOT be able to downgrade the bootloader (searching KNOX)
b. All hail KitKat
c. Probably, but I think you will lose such function .
d. How come bootloader be customized?
e. Not a question, such subject is not allowed in xda, try for yourself, but in your case, probably the stock
Oniyuri said:
Hi all,
It's been awhile since I've last modded my phone (came off of a t-mobile Vibrant). In the beginning, it used to be easy flashing and modding, but since the whole KNOX debacle, I haven't wanted to touch my phone in fear of screwing over my warranty (for this reason alone, this will definitely be my last Samsung purchase). My phone is still on it's original 4.2.2 firmware but my internal SD is almost completely full and I've moved all that I could onto my external SD already. Not only that, but I'm tired of having to close out some 26-28 apps running in the background everytime I want to play a game or read my kindle.
Now that I've gone through that little story, I'm trying to catch up on things on the forum. Here are a few questions in the back of my mind that I need to know the answer to:
a. If I decide to flash a custom 4.4.+ ROM and want to go back down to my stock one (for warranty purposes) would it be possible to downgrade?
b. Is Kitkat stable or should I stick to the 4.3 ROMs?
c. If I get a custom AOSP ROM, would I definitely lose features such as screen mirroring (I use that one a lot since I also own a Sammy tv)?
d. Are there custom bootloaders available (I REALLY want to avoid anything remotely official looking)?
e. Which ROMs tend to be the more stable - AOSP or TWiz based?
Thanks in advance for any info shared.
Click to expand...
Click to collapse
a. Yes you can with custom rom + custom kernel that support older bootloader
b. stable
c. forget it
d. no, only custom kernel which support older bootloader for kitkat
e. TW

[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

Custom ROM = root?

After a long love affair with the Galaxy phones I gave up on Samsung and recently switched from my locked down AT&T GS5a to the Pure and have already unlocked the bootloader and installed TWRP.
Looking through the threads about rooting the Pure with 6.0 it seems a bit troublesome and convoluted with people loosing wifi or boot-looping.
In my experience with Samsung, custom roms have been pre-rooted but they used to mention it someplace in the first post. Has it just become the standard and no longer mentioned? Am I safe to assume that I can flash away now to my hearts content and have a rooted phone unless I flash a back to stock?
The custom ROMs all have root.
All of the CM and AOSP based ROMs either include a built-in su daemon that you can toggle in developer settings or flash supersu as part of their install.
The only stock based custom ROM is trupure, and it is prerooted.

I've been out of the loop for a while

Hi people. I have been into custom ROMs on my Note 3 (SM-N900W8) in the past, and never found a stable one. So I ended up reverting back to stock Samsung and just using my phone the old fashioned, boring way. Now that I see a newer version of each of the ROMs I've tried, I'm thinking that I may want to get back into installing custom ROMs again.
I can't quite remember what the rules of engagement were when it comes to kernels associated to certain ROMs. I really want to go back to KitKat, as it was my favorite Android version. Right now, I'm on Samsung's stock 5.0 firmware.
AFAIK, you need a pre-5.0 kernel in order to install anything below 5.0. Is that correct? Also, if I wanted to try an Android 6 or 7 ROM (just for the hell of it), am I required to use a different kernel?
Like I said, I'm way out of the loop and need to be re-educated. I'm not even sure what to really search anymore.
Bonus Question: What's the most stable and bug-free Note 3 (Qualcomm) ROM out there?
Thanks people :good::good::good::laugh:
, if I wanted to try an Android 6 or 7 ROM (just for the hell of it), am I required to use a different kernel?
YES
What's the most stable and bug-free Note 3 (Qualcomm) ROM out there?
Stock Rom

Pros & Cons to go Custom Rom

Since 1+3, I did not have the need to root and install custom ROMs on the devices. I have passed on the 3 & 3T to my wife and daughter. They also don't see the reason to root and use custom ROMs. On 1+5, with all the updates, what would be the key motivator for custom roms? I do like customizable rom and ability to freshen up when bored. Majority of custom ROMs features I don't even use on daily basis. I did put RR rom on my 1+1 and it's really nice. Just not snappy with less Ram. Just trying to see what experts here feel about it? Any inputs are greatly appreciated!
Im still on stock, but would root it for sure, for 2 reasons, viper and adblock.
Custom roms are useful, when you dont have the official update rolling out for new versions of android.
As of now OP5 runs on 7.1.1, so thats good enough.
I root and add TWRP, titanium backup and add block on my phones with out question. Also for certain apps I need to push to system like a no add YouTube APK. I'm still on stock ROM with stock kernel but sometimes use custom kernels. The stock OOS ROM basically has just about everything I look for in a custom ROM as it is. So did me, no need for custom ROMs and this is the first ever phone I haven't put a custom ROM on, at least not yet.

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