yashsingh1/xdaforums huggingface dataset:
[T-Mobile LG V10 Q&A, Help & Troubleshooting] rizkhan999:
Among the marshmallows for H901, I have seen 20e, 20j and 20l here. And I have myself seen that 20e is on ARBv1 while 20j and 20l are on ARBv2 just like 30b and 30c. So 30b and 30c must be downgradable to 20j or 20l via LGUP due to having the same ARB version i.e. 2.

You can yourself verify the ARB versions by extracting the KDZ, then DZ and then searching for SW_ID in either ABOOT or SBL1 partition images. They both contain the same string whose 8th-last digit shows the ARB version of that KDZ.

I have tried flashing 20j and 20l on my h901 30b via LGUP. All checks pass as well as many partitions including modem, boot, laf, factory, recovery, aboot etc. are flashed but on 23% while flashing system partition the 0x2000 Invalid Command Response is shown by LGUP. Can anyone please try this downgrade and let me know what they get?

Would it be due to the reason that I am flashing H901BK files over H901?
[T-Mobile LG V10 Q&A, Help & Troubleshooting] skywalker-live:
Yes others have tried to flash 20j and 20l over 30b and failed. As far as I can tell a true h901 is a h901 bk, the only h901s that are technically different are the ones that where refurbished by a third party with f600 boards. I did find it interesting that my h901bk that I bought directly from t-mobile has a vs990 board, that makes me not want to go beyond my rooted 20l since the only twrp flashable 30b available doesn't look to be built the same way as my 20l and all previous were. Essentially with all of the great devs that were on this device being on unrooted 30b, this device development has died.
[T-Mobile LG V10 Q&A, Help & Troubleshooting] rizkhan999:
What! Tmobile officially sold you v10 with Verizon board! How can that be possible when both are competitors! And you could have sued tmobile for that or atleast claimed for replacement.

Btw I have just checked. The H901 I have also has Vs990 board!!! Similarly someone I know also has an H901 with Vs990 board. I dont know why all H901's are refurbished and are Vs990 in real. May be this is also the reason I am not been able to flash 20j and 20l over 30b eventhough both are on same anti rollback v2. But I can successfully flash H901's 30b over 30b while still having Vs990 board. So why can't I flash H901's 20j and 20l when there is no anti rollback version issue as well. This remains to be unanswered.

Btw i check ARB versions of KDZs using this method. All credit goes to steadfasterX for that:o.
[T-Mobile LG V10 Q&A, Help & Troubleshooting] skywalker-live:
My v10 was bought on black Friday 2 years ago and has a manufacture date of October 2015, so it's LG that screwed us all. (that's right 2 years of service and no bootloop ✊?) But that may not be the reason a 20l flash over 30b fails. There has to be something else if they are on the same ARB. Maybe if it was known what partition was being flashed at the point it fails.
[T-Mobile LG V10 Q&A, Help & Troubleshooting] rizkhan999:
It fails on system partition. While it successfully flashes many partitions e.g. aboot, boot, modem, laf, factory etc before that. But after coming to system at around 17%, it gives out that error at 23%.
[T-Mobile LG V10 Q&A, Help & Troubleshooting] skywalker-live:
So LG put something in system to not let it be downgraded. Which to us moders just sounds dumb, incrementing ARB should have been done if they are that scared of downgrading. Unless our cpu only has so many qfuses.
[T-Mobile LG V10 Q&A, Help & Troubleshooting] chin'ah.girl:
Not that it matters much but it isn't just what's in the system partition, none of the partitions can be successfully flashed. What [MENTION=8423206]rizkhan999[/MENTION] is talking about is what occurs when using an older version of the common.dll, I had the exact same thing happen to me; in fact I couldn't even get the Nougat ROM flashed to recover the device nor could I select individual partitions. When I used the updated dll from the Nougat kdz I was able to select partitions and flash the 30b kdz without the need for LG Bridge but I couldn't flash any other kdz.

One other user suggested instead of flashing the entire ROM I should try flashing just the bootloader and recovery partitions so I'd be able to use the dirty cow exploit without blowing a qfuse or other security measure but I still ended up with failed installations. So I'm not sure what the problem is, but it isn't exclusive to the system partition.
[T-Mobile LG V10 Q&A, Help & Troubleshooting] rizkhan999:
How do you flash specific partitions instead of the whole KDZ? I mean which tool do you use for that? And do you mean to say that one can downgrade from 30B to 20J or 20L by changing the DLL file placed in the common folder?
[T-Mobile LG V10 Q&A, Help & Troubleshooting] chin'ah.girl:
By using a modified developer version of LGUP you can flash individual partitions, perform system dumps, etc. that you can't use in the regular store version.

I think you misread my post, I said that the downgrade installations will still fail. The only thing that it solved was that I was able to successfully flash 30B and nothing else. With the older common.dll I couldn't even do that to recover the phone. I was just trying to say that whatever the problem is, it's not confined to just one specific partition.
[T-Mobile LG V10 Q&A, Help & Troubleshooting] rizkhan999:
Kindly check your pm plz. Thanx.
[T-Mobile LG V10 Q&A, Help & Troubleshooting] rizkhan999:
Got it. Yes you are right. I use the dll provided in the lgup archive in this v10 thread. I use this dll specifically to flash v10 otherwise lgup gives error even when flashing 30b over 30b.
[T-Mobile LG V10 Q&A, Help & Troubleshooting] DominatoR13:
how they do it?

https://www.youtube.com/watch?v=OtXlokk6JkQ

https://www.youtube.com/watch?v=PPLwFGxLQA4
[T-Mobile LG V10 Q&A, Help & Troubleshooting] painterKDM:
V20L would not flash twrp

My phone came with V20L firmware and would not flash twrp by fastboot(same errors as you) so like you used LGUP to to flash 30b with twrp tot file. All was fine till I flashed 30c by Twrp and then when I rebooted I got the "twrp loop". I eventually made it worse by getting stuck in download mode constantly.In the end had to use LgBridge to do recovery update(what ever that is in right bottom corner) and now like you on stock 30c with unlocked bootloader. I would guess that V20L has blocked fastboot commands
[LineageOS Questions & Answers] darshan1504:
Hello everyone!

Im facing a lot of problems in getting my mobile data to work after I flashed the Lineage ROM(14.1). My data status says disconnected. I tried tweaking the APN setting but that didnt work. I have attached a a screenshot. I really hope someone can help me out on this
[Huawei P9 Questions & Answers] JimmyEatFood:
Hello

Does anybody have a link to a good quality screen I can buy in the UK?

There are some cheap ones on eBay but I am cautious of getting one with bad colours.

Thanks
[Huawei P9 Questions & Answers] chubby65:
Try Amazon mate more reliable than eBay for screens

https://www.amazon.co.uk/dp/B07211RCH9/ref=cm_sw_r_cp_apa_TPYbAb20JDJ2S
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
Today I bring to you a very close to stock rom, but with some additional features. The 7.1.1 update we received has basically a lot of the Note 8's features inside and most were inactive, For the past couple weeks I have exploring this update and activated a bunch of the featues. Some of them I added from a Note8 system dump. This is 100% stable as of v2

Snap Multi-Window-just like normal multiwindow, but it adapts to split your screen and adjusts the UI to accomodate.

pop up view is all working

Bixby is removed for v2

Removed the haggard t mobile boot logo

Included the Note8 logo

The kernel is a custom permissive beast with all sorts of inbuilt goodies.

instructions: Flash Rom, Root(supersu2.82 systemless or Magisk14.0), then encryption breaker (no verity boot image patch)

and no you cant keep anything, wipe everything but internal and external.

This is for the J700T, T1.

You must have upgraded your phone to 7.1.1 for this to work

Optimum Stock

V2

https://mega.nz/#!97p0WRLQ!2EjYaHld_QQIQth6h7L4M8PvY3VijHIuF2REF40aWRs

Have fun, if you want to tell me how screwed up it is I will laugh at you. Probably point AND laugh. I accept no responsibility if you brick your Sh*T

Lastly, Magisk Xposed works great with this just make sure to use their modded installer.

Thank you to Mr.Duck254, & Metabolic12 for the advice throughout. V2 will have a great amount of extra features in working condition.

XDA:DevDB Information

Optimum Stock v1 , ROM for the Samsung Galaxy J7

Contributors

fullofhell

ROM OS Version: 7.x Nougat

Based On: Touchwiz

Version Information

Status: stable

Beta Release Date: 2017-11-18

Created 2017-11-06

Last Updated 2017-11-18

If anyone would like to buy me a cup of coffee or donate a couple bucks, to help pay my 2 separate internet connections... please donate herehttps://www.paypal.me/fullofhell
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] benny3:
What are the extras that needs work ?
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
Edge, performance mode( I can activate it with Alexis xda note 8 ported apps zip) aod, maybe a few others.
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] benny3:
I'll download and take a look. What are they ported from , the Note 8 ?
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
Yup, note 8 system dump. I edited everything to accommodate but still bug out or non existent. Thx man!
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] carlosbalbuena_:
Hey bro I do not know if you have seen this guide but I think it will help you a lot there is one I went on how to make the edge screen work among other things.

https://xdaforums.com/android/general/guides-android-7-modding-main-emphasis-t3507007

Ps: The rom is deodex??
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
I have not seen this but thank u im checking it out for sure. No not deodexed
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] carlosbalbuena_:
They are good guides can help you a lot

Smart Screen work fine??
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
I can't find anything about the Edge..What is the post #?

I haven't tried the smart screen. I think I installed it, sorry don't remember.
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] carlosbalbuena_:
Page 25
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] carlosbalbuena_:
For the next update, add the Game Launcher works pretty well, download the rom just to see the changes and I do not see it so you can add it if you want

GAME LAUNCHER --> https://mega.nz/#!gwoXwShS!eWeWYQK0dDVdL0kCDynF7Qi5mGvM1Rn8rmegb-d8ZJg
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
Oh yeah I had it and then redid it and forgot.thx buddy
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] mario1634:
Have you tried looking through here https://xdaforums.com/showthread.php?t=2799050&page=1156 or here https://xdaforums.com/galaxy-s6/sam...velopment/devs-helpingd-devs-t3321679/page412
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
Yea the changes w/ nougat were a little more complicated. Ol' Carlos hooked me up though cuz I found the guide about edge by zonik to be killer. Thanks everyone for chiming in to help me better develop this build. Thanks guys!
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] benny3:
I just added the edits and going to add to the rom and flash. I'll report back
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
Sweet! I am working on the last steps to adding the edge screen right now.
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] benny3:
No go, I deodexed to edit and it doesn't want to boot. It makes it past the boot animation and then just sits there. Even w/o the edited services and framework. I'm going to another look. I even tried using the stock odex and added the edited fw and services. Maybe i need to update my apktool as its been a while since i have.
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
yeah I even tried a couple different deodexers. doesn't fly. 7.1.1 is very different. we just gotta figure it out.
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] LegzRwheelz:
All hail [MENTION=8146955]fullofhell[/MENTION]! The greatest ROM developer of any phone I've ever owned. Thank you thank you thank you! Downloading right now. Thank you for the mega link as well
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
Thanks man but it's not that great yet.. still a work in progress.
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] benny3:
Well i have a bootable deodexed rom just not with modded services and fw. im going to revisit apktool with the new deodex jars.
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
I have been following the guide by zonik to add an edge to nougat but our nougat is 7.1.1 and it's for 7.0 so it hasn't been exactly word for word. I got the first part of the services jar decompiled and recoded. The second part about the powermanager smali, I'm stuck on. The part the guide references isn't there at all. So I'm at an impasse. and I got a deodex to boot once I used asayyeds newest kitchen. Without that I couldn't decompile properly
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
Try this

https://drive.google.com/file/d/0B20c6g4JMZnNelBEVmFhVUNIY2s/view?usp=drivesdk

Thx to mr.duck254 for that one.its great. Works on jar too but u gotta stick it in yourself
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] benny3:
[/COLOR]

Go to (com/android/server/Power/PowerManagerService.smali) and search

const-string/jumbo v17, "SEC_PRODUCT_FEATURE_COMMON_SUPPORT_COCKTAIL_FW: false"

This is the first edit systemserver

const-string/jumbo v5, "com.android.server.aod.AODManagerService"

---------- Post added at 09:00 PM ---------- Previous post was at 08:35 PM ----------

The framework edit is smali/android/app

const-string/jumbo v0, "AODManagerService"
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
I'll try tomorrow but I think I was in the wrong pwr mgr spot... Working on a s7 root for someone all day. Snapdragon. We got it easy boys.
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] benny3:
I gave it a go last night and it was a no go again. Good luck with the S7, If you get root i just might trade this J7 in for a S7 Edge. I have a Oneplus 5 for my main DD and they are so simple.
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
The exploit is there, but I am waiting for confirmation that it works with 10/1 security update. I got a fail first try for flashing eng.boot. and should not have.so I dunno
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] carlosbalbuena_:
Hello bro I do not know if you have noticed, but in the folder ''cameradata'' there are several non-active functions not all work, the option of the effects on the camera works well, but they come out as shown in the photo
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
Nice Discovery bro but no I didn't notice it I'll look into it
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] carlosbalbuena_:
Ok bro
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] LegzRwheelz:
The a great tester dude, provide great feedback to fullofhell. I'm very impressed, I've been reading your comments fit a little while now and just thought I'd throw that out there.
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] carlosbalbuena_:
I do not understand clearly what you say but it's fine thanks I suppose ?
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] LegzRwheelz:
My autocorrect is acting stupid, I swipe text and forget to check for typos. I was saying you're a great tester. You provide great feedback.
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] carlosbalbuena_:
Aaah ok thanks bro
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] LegzRwheelz:
I haven't flashed yet, can i dirty fish?
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
No do NOT, it will fU*K it up man
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] LegzRwheelz:
Thank you, I figured as much. Didn't hurt asking. Is it the TMobile or MetroPCS ROM?
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
T mobile, and do get cozy with this build, but, v2 should be hitting by the weekend. It's far better with more tweaks and fast as light
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] carlosbalbuena_:
Will come deodex the rom
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
Oh yes it's done
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] carlosbalbuena_:
Excellent bro, I hope you release it this weekend for now if you install your ROM
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] benny3:
Did you get it figured out ?
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
Edge, no I can't get it figured out where the code isn't there like at all so I'm still working at it, gunna dissect some other ROMs as a guide. A lot of the other stuff yes is all good now and its deodexed
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] carlosbalbuena_:
To activate the edge screen if you compare your files with another Rom that is in 7.1.1 do you think I would activate it?
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] benny3:
The problem is the smali edits aren't working on 7.1.1 with this phone. It won't boot. There's more to be figured out.

---------- Post added at 04:23 PM ---------- Previous post was at 04:21 PM ----------

Yeah i have a deoexed rom booting. It has to be something simple, to me it almost acts like a perm issue or a symlink issue.
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
I was just talking about comparing the files and seeing how to incorporate the code to the existing smali. The key seriously is in the note 8. It has the closest files to our phone. I'm gunna see where the edits are in those smali files and compare how they are Incorporated to what we have and try to use it as a guide.. the build I'm running is close
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] hightech316:
Deoexed via superrs kitchen?
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
I had one of my friends deodex stock with asayyeds, then I tried it and it worked. Superrs doesn't seem to like 7.1.1
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
Screenshots of something new I got working tonight. Lemme know some feedback. It's a pixel 2 note 8 mashup.
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
Working smart lock, multi window, pop, and snap and pixel 2 sounds, boot logo. Almost got air command working..in lieu of edge for now, Bixby or Google, new pixel 2 launcher works great. With Oreo prompts within app options. Pixel 2 setup wizard. Working Google apps..ie dialer, messages, cloud share add-ons in file mgr. Google beta file manager..ill try it out and work out the bugs and finish tomorrow
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] sameog:
looks great!

Since I'm still on MM, can your rom be flashed?
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
No, u must upgrade your bootloader to nougat first. Wipe your phone, then Flash the most recent stock firmware and then u can take a couple ota's and will receive nougat. Then reflash twrp, format phone and then flash nougat roms
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] carlosbalbuena_:
If it is a rom apart from version two of optimum stock it is good job.
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] sameog:
OK, thanks for this.
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
V2

https://mega.nz/#!97p0WRLQ!2EjYaHld_QQIQth6h7L4M8PvY3VijHIuF2REF40aWRs

Removed Bixby (It's useless really)

Added game tuner stuff and launcher

Added rounded Google bar(it's in your widgets)

Debloated and deodexed

Added cloud gateway( u can view cloud storage for drive and sammy cloud from myfiles)

Snap window fully functional

Pop up view now supported

No edge for now sorry

Performance mode is installed but not working

(To enable search alexas note 8 ported apps zip. Flash zip. Only tick smart manager period! If u do any others it will erase clock, calendar and other stuff. When it asks what phone select note 8. Reboot.)

Go to dev options and set animations to .5. There are 3 options for this. That will make the phone fly.

Enjoy. The kernel is permissive, has zero errors and supplies u with a killer battery. Thx mr.duck254 for that one.knox is totally gone

Lastly, please hit the thanks button !
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] carlosbalbuena_:
Excellent since I woke up I will try to install I hope to see the great things that you did in this second version
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] Thibor69:
So if we are on MM then we must jump to Nougat first ... so Odin Flash

stock MM

then wait for Nougat to OTA to me, then flash your rom via twrp ?

Or do I just Odin flash stock

Nougat

and then TWRP flash your rom ?? Either way, does anyone have a good source for stock ?? SamMobile is really

USELESS ... it is toooo slow and to many damn adds.

Thanks for the hard work ..
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
Ota's are there no matter what if they are released. Yeah u can just download updato via play store. The link below is full firmware.i forgot updato is missing cache img. Search up the 7.1.1 firmware.download and flash via Odin. Make sure u tick nand erase. Then once it boots for ten mins, remove battery boot to stock recovery, do a factory reset. Don't let it boot, put into download mode, flash twrp. Format type yes. Then either flash root and encryption break or just let it boot up no root. Other option is to wipe everything and install my new Rom, root and encryption break. Reboot.

https://xdaforums.com/galaxy-j7/j700t-development/odin-j700t-nougat-7-1-1-t3694754

U should subscribe to the whole j700t forum so you know all the info all the time u need stuff about our phone. I follow all the j7 threads personally. It's helpful.
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] carlosbalbuena_:
You could mention that new things brings the rom or the corrected mistakes I think it would be a good idea, of course if it's not too much trouble.
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
It's listed right under the link, on this page
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] carlosbalbuena_:
A tip I hope not bother you, you must present your rom better, do not write everything together to present your screenshots, among other things that would make you look like a more advanced developer, it is only a tip if it bothers you I'm sorry
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] sameog:
Downloading v2 now. Dirty flash or clean flash? Thanks for the hard work! =)
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
Clean flash
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
Additionally, the screenshots of the pixel 2 Rom are not of this roms v2. That is my next Rom.
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] LegzRwheelz:
This is very exciting.
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
V 2 Screenshots
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
Some more, the first silver pic is a mess up..sorry lol
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] Hovo:
Did flashing while still on MM work for anyone or do I have to update to Nougat first?
[Samsung Galaxy J700T & J700T1 ROMs, Kernels, Recov] :
Gotta update first. It doesn't work. I tried it with a j7t that was still on MM.