yashsingh1/xdaforums huggingface dataset:
[LeEco Le Max 2 ROMs, Kernels, Recoveries, & Other ] Meeravali:
Or you can try flashing both ROM and gapps at the same time
[LeEco Le Max 2 ROMs, Kernels, Recoveries, & Other ] Meeravali:
Will be included in next builds
[LeEco Le Max 2 ROMs, Kernels, Recoveries, & Other ] gomussi:
Great rom,thanks !!
[LeEco Le Max 2 ROMs, Kernels, Recoveries, & Other ] N-Gage4ever:
How's the battery life and is there a quick charge swifter for the ROM?
[LeEco Le Max 2 ROMs, Kernels, Recoveries, & Other ] kihope12:
Flash rom and u will see.. u asked so many times on different rom, so if you arent retarded ( i hope you arent ) you should already know....
[LeEco Le Max 2 ROMs, Kernels, Recoveries, & Other ] Petros_Papandreou:
Live display doesn't work in this. Other than that it's a great Rom

Στάλθηκε από το LEX820 μου χρησιμοποιώντας Tapatalk
[LeEco Le Max 2 ROMs, Kernels, Recoveries, & Other ] tanuse:
What kind of answer is this? A minimum of tolerance and education are necessary. If you do not feel like answering, avoid it and end it here.
[LeEco Le Max 2 ROMs, Kernels, Recoveries, & Other ] maipiumoscio:
check if it's working the phone mic, not the earphone mic...

"all roms" you mean OREO's rom?

'couse is my problem whit oreo, i have a le max 2 - 820
[Sony Xperia XA2 Guides, News, & Discussion] happysunshine:
2019-02 Sailfish X Paid Beta with Alien Dalvik / Android 8.1 support available https://blog.jolla.com/sailfish-x-beta-available-for-xa2/ (limited time offer, will upgrade later to release version for free)

2018-11 Sailfish X Free is now available https://shop.jolla.com/

Hello together,

jolla announced Sailfish3 for Xperia XA2 upcoming in Q3/2018 https://jolla.com/wp-content/uploads/2018/02/MWC2018_press_release_FINAL.pdf

I am really happy since I read this news but don't like to wait until Q3 :D

For me Sailfish could be the mobile OS I really like to use since I got my hands on it years ago on the jolla phone.

Who also likes to get it?
[Sony Xperia XA2 Guides, News, & Discussion] Meloferz:
I was using the Xperia X with Sailfish OS and it wasn't for me for daily use. So I sold my Xperia X and I bought the Xperia XA2. Hope that when Sailfish OS 3 launch, will be for daily use on the Xperia XA2.
[Sony Xperia XA2 Guides, News, & Discussion] happysunshine:
Interesting, what was the Problem? When I used it at the beginning of jolla years ago the performance were really nice, even the Android apps were faster than on my native Android device with better hardware.

I liked the gesture handling, the full control over everything and the independence from every big company I hadn't on other devices.
[Sony Xperia XA2 Guides, News, & Discussion] Akumaleon:
X2 sailfish 3.0

Hello, i was wondering if there is any Sailfish 3.0 OS available for beta users to test.. I have not seen any demo after march 2018 showing extra features..

I am planning to use sailfish 3.0 but I am not sure if i should by the XA2 or wait.. any advice?
[Sony Xperia XA2 Guides, News, & Discussion] Meloferz:
It's in early stages and not public yet, I bought the XA2 and I didn't regret, so... If you would like to wait once is available, you could buy and use it with android, but if you're not sure I recommend you to wait until there is some more information about it
[Sony Xperia XA2 Guides, News, & Discussion] Akumaleon:
Are you planing to run Sailfish3 !?

I guess I have no choice.. you think XA2 vs XA2 ultra will be a big difference!? Or any other new sony phone is expected to run Sailfish?

Thanks for your reply
[Sony Xperia XA2 Guides, News, & Discussion] Meloferz:
Just the size, that depends if you like bigger screen or smaller... And there is not much information about others phones with Sailfish, I just remember that will be a Jala phone (Bolivian from) but not yet release, for now just XA2 was announced for Sony brand

Enviado desde mi H3123 mediante Tapatalk
[Sony Xperia XA2 Guides, News, & Discussion] GuestK0099:
The trees are on the mer git for 2.0 currently
[Sony Xperia XA2 Guides, News, & Discussion] yazayad:
Sorry for the pointless post but man am I waiting for this... hope it launches in August
[Sony Xperia XA2 Guides, News, & Discussion] Franco_Sposato:
Waoo i have license X

Inviato dal mio H4213 utilizzando Tapatalk
[Sony Xperia XA2 Guides, News, & Discussion] aeolist:
Sailfish OS for our XA2 announced to come out on November 8th next week! See https://blog.jolla.com/sailfish3/ & https://jolla.com/sailfishx/!
[Sony Xperia XA2 Guides, News, & Discussion] Meloferz:
Sadly, not all features are supported (Bluetooth, fingerprint, NFC) ?
[Sony Xperia XA2 Guides, News, & Discussion] happysunshine:
Sailfish X Free is now available https://shop.jolla.com/

Bluetooth is working, nothing found about NFC and fingerprint. Alien Dalvik \ Android app support is coming later.
[Sony Xperia XA2 Guides, News, & Discussion] Meloferz:
About Bluetooth, pairing with Bluetooth speakers works?
[Sony Xperia XA2 Guides, News, & Discussion] happysunshine:
Pairing with my bt-headphones (two different) works. play/pause also, but volume is not synced.
[Sony Xperia XA2 Guides, News, & Discussion] TTib:
I'm interested, but not until a full release is available. I'd like to support a proper Android alternative, but there are apps that I need that would require Alien Dalvik.
[Sony Xperia XA2 Guides, News, & Discussion] iHusky:
Alien Dalvik is support but no way to install Gapps and get google play services anymore.
[Sony Xperia XA2 Guides, News, & Discussion] Meloferz:
For now, maybe someone can make work microg for the new alien dalvik version

Enviado desde mi Xperia XA2 con Sailfish OS
[Sony Xperia XA2 Guides, News, & Discussion] iHusky:
I talk with one person about this, but signature spoofing is required to make microG work, but how can find it in android 8?
[Sony Xperia XA2 Guides, News, & Discussion] itschue:
for MicroG have a look at this video

youtube.com/watch?v=1K05m3EJJ9A
[Sony Xperia XA2 Guides, News, & Discussion] iHusky:
But we need new spoofed signature, microG works but stuck on "Connecting to Google Account please wait few minutes"
[Sony Xperia XA2 Guides, News, & Discussion] maksi1plus:
Can anyone make a full version of Sailfish for all devices for free (port)?
[Sony Xperia XA2 Guides, News, & Discussion] Franco_Sposato:
I have test.. Only work google maps.. Google keep..ecc not work
[Sony Xperia XA2 Guides, News, & Discussion] iHusky:
I use this tutorial (we need Linux and unsquashFS system.img) from this link https://together.jolla.com/question/198500/xperia-xa2-sailfish-x-dont-have-systempriv-app-directory/ see MemphisX post, and from iHusky. If someone need help ask me on telegram [MENTION=4530303]iHusky[/MENTION]
[Sony Xperia XA2 Guides, News, & Discussion] iHusky:
Someone get working, a Google Music (I mean if can see the music, when log into account) because I can log but I don`t see any music :(
[Sony Xperia XA2 Guides, News, & Discussion] Galaxon:
Ich can Not Install IT with Mac or Windows News Help
[Sony Xperia XA2 Guides, News, & Discussion] rudge79:
https://together.jolla.com/question...devices-from-the-phone-itself-tested-working/

Try this! It works great on my phone. Do exactly as this wiki says. Please update system and rpms before running the script.
[Sony Xperia XA2 Guides, News, & Discussion] Meloferz:
well, after using Sailfish OS 3.1.0.11 since its launch, today I went back to Android :( Iabove my resume:

1) Android support is great, almost all apps are working (if is not mandatory to use google play services to work)

2) Since 3.1.0.11, signature spoofing is include in the OS, so is very easy to enable microg.

3) Sailfish OS apps are still very poor for overall users :/ The only app that I was using daily was Depecher (Telegram client, but with a few of features that are not working, didn't miss any as I didn't used those)

4) Long time using android apps and switching with others apps (native or android), make system crash or android support crash, so you have to reboot hole system or reboot android support through terminal.

5) Google is changing a lot of things that made microg almost useless :( whatsapp didn't made backup on drive anymore, Google Maps didn't work anymore, and Safetynet is not passing, anyway... Is issue related to microg and not Sailfish but make more difficult for overall user to use it https://github.com/microg/android_packages_apps_RemoteDroidGuard/issues/24

6) I had a lot of problems with camera, sometimes stopped working and I had to reboot the device.

7) GPS support is not good as Android, as you have to be outside, wait almost 3 to 5 minutos to lock and make GPS working, so if you are hurry, and didn't have enabled GPS before, you have to be patiance.

8) I'm very happy with the improvement of the OS, as the first time I tried was with the Xperia X on 2017, but it still is not for overall users and if you want to try it, you will be have to be patiente and don't have problem rebooting, using Terminal, and looking for alternatives for common apps or services
[Sony Xperia XA2 Guides, News, & Discussion] teracube:
Hello

change system from android to sailfish (buy for49$) recommended???
[Sony Xperia XA2 Guides, News, & Discussion] Meloferz:
You should read the SailfishOS forum, because it has its bugs and things that works good. Also if you use Google Pay, and banks apps that needs Safetynet or Google services, you will have issues.

But in general, still i think that is in beta and should be used by advanced users
[Huawei MediaPad X2] astuntas:
I have Mediapad X2 701 B003

The data roaming doesn't work. If I use data locally - everything works, but if I go abroad - then not. I spoke with my mobile provider - they said that my device is not supported for data roaming. If I use the same SIM on a different device - then data roaming works. This shows the problem is with my X2

If I go to Settings>More>Mobile network:

..I can't get inside that menu, nothing happens when I click on it

..my mobile operator symbol disappears for a second, and I get the following message in the notification area:

"Data roaming

You have lost data connectivity because you left your home network with data roaming turned off"

Is there any way to enable data roaming on this device?

Thank you for your help
[Mogul, XV6800 ROM Development] azclown:
Anyone feel like upping a non FTP link to Hard-SPL-MFG.exe 2.4 please....

Thx

az
[Mogul, XV6800 ROM Development] Shadowmite:
www.shadowmite.com/temp/unlock2.4.rar
[Mogul, XV6800 ROM Development] azclown:
Thx Shadowmite.... you da man.....
[Xiaomi Redmi 4X Themes, Apps, and Mods] __PG__:
Custom SplashScreens/BootLogo For Redmi 4/4X​

By Pg​

Aesthitic

Download

Logo

|

Fastboot

​

Aesthictic_v2

Download

Logo

|

Fastboot

​

Amoled

Download

Logo

|

Fastboot

​

Annabelle

Download

Logo

|

Fastboot

​

Anonymous

Download

Logo

|

Fastboot

​

Avengers_IW

Download

Logo

|

Fastboot

​

B.A.D.

Download

Logo

|

Fastboot

​

BlackPanther

Download

Logo

|

Fastboot

​

Car

Download

Logo

|

Fastboot

​

Cat

Download

Logo

|

Fastboot

​

Coder

Download

Logo

|

Fastboot

​

DragonBallZ

Download

Logo

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Fastboot

​

DBZ_2

Download

Logo

|

Fastboot

​

Connect

Download

Logo

|

Fastboot

​

DoEpic

Download

Logo

|

Fastboot

​

DreamCaster

Download

Logo

|

Fastboot

​

fck

Download

Logo

|

Fastboot

​

Football

Download

Logo

|

Fastboot

​

Forever_Alone

Download

Logo

|

Fastboot

​

fsociety

Download

Logo

|

Fastboot

​

GameOfThrones

Download

Logo

|

Fastboot

​

Gaminglove

Download

Logo

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Fastboot

​

GentleMen

Download

Logo

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Fastboot

​

Girly

Download

Logo

|

Fastboot

​

GlowingCircle_MiLOGO

Download

Logo

|

Fastboot

​

Google

Download

Logo

|

Fastboot

​

Groot

Download

Logo

|

Fastboot

​

Gurl

Download

Logo

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Fastboot

​

Hackerman_MiLOGO

Download

Logo

|

Fastboot

​

HandPistoldesign

Download

Logo

|

Fastboot

​

Continued to Post#2

XDA: DevDB Information

Custom Splash For Redmi 4/4X (Santoni)

Contributors:

__PG__, GokulNC

Image Source: Google, Telegram Channels, Some Minimal Wallpaper Apps. etc. etc.

Tool: CustomSplashTool_R4XSantoni

Created 2018-04-01

Last Updated 2018-04-01
[Xiaomi Redmi 4X Themes, Apps, and Mods] __PG__:
Hipster

Download

Logo

|

Fastboot

​

ICE_MiLOGO

Download

Logo

|

Fastboot

​

IronMan

Download

Logo

|

Fastboot

​

kewlWolf

Download

Logo

|

Fastboot

​

Lion_Tiara

Download

Logo

|

Fastboot

​

Looneytunes

Download

Logo

|

Fastboot

​

Mario

Download

Logo

|

Fastboot

​

NeonRider

Download

Logo

|

Fastboot

​

Network_MiLOGO

Download

Logo

|

Fastboot

​

NoFks

Download

Logo

|

Fastboot

​

Oreo

Download

Logo

|

Fastboot

​

ParentalAdvice

Download

Logo

|

Fastboot

​

Pokemon

Download

Logo

|

Fastboot

​

QuitSmoking

Download

Logo

|

Fastboot

​

Reindeer

Download

Logo

|

Fastboot

​

Rick

Download

Logo

|

Fastboot

​

Simpsons

Download

Logo

|

Fastboot

​

Skull

Download

Logo

|

Fastboot

​

Spacemen

Download

Logo

|

Fastboot

​

Sparta

Download

Logo

|

Fastboot

​

Spidey

Download

Logo

|

Fastboot

​

StarBucks

Download

Logo

|

Fastboot

​

StarWars

Download

Logo

|

Fastboot

​

Superman

Download

Logo

|

Fastboot

​

Teen_Wolf

Download

Logo

|

Fastboot

​

Thor

Download

Logo

|

Fastboot

​

ThunderWolf

Download

Logo

|

Fastboot

​

Tiger

Download

Logo

|

Fastboot

​

Traveller

Download

Logo

|

Fastboot

​

TurnON

Download

Logo

|

Fastboot

​

Continued to Post#3
[Xiaomi Redmi 4X Themes, Apps, and Mods] __PG__:
Upsidedown

Download

Logo

|

Fastboot

​

Wamen

Download

Logo

|

Fastboot

​

WatchDogs

Download

Logo

|

Fastboot

​

Wolf_Material

Download

Logo

|

Fastboot

​

Wonder

Download

Logo

|

Fastboot

​

Xplorer

Download

Logo

|

Fastboot

​
[Xiaomi Redmi 4X Themes, Apps, and Mods] __PG__:
R e s e r v e d 3
[Xiaomi Redmi 4X Themes, Apps, and Mods] __PG__:
R e s e r v e d 4
[Xiaomi Redmi 4X Themes, Apps, and Mods] __PG__:
R e s e r v e d 5
[Xiaomi Redmi 4X Themes, Apps, and Mods] himfa71:
Wow, So many to choose from, I don't have time nowadays, I still didn't creat my own splash screen, with your new tool. Thanks for this,
[Xiaomi Redmi 4X Themes, Apps, and Mods] Kuato:
Really nice pals :D
[Xiaomi Redmi 4X Themes, Apps, and Mods] hsboss:
Impressive
[Xiaomi Redmi 4X Themes, Apps, and Mods] natheux:
Niiiiice dude thank you for your work !
[Xiaomi Redmi 4X Themes, Apps, and Mods] saikumar parate:
Nice work bro, thanks for sharing
[Xiaomi Redmi 4X Themes, Apps, and Mods] __PG__:
hehe, It's ez to make one of your own, Just need to find/create Images that you like, other work is done automatically. I am also damn lazy to create a post, else I have created all previous week only. but Know, it will be hard to create a post, so took time. ;)

Thanks, I will be redirecting to your Post for any requests as You were taking some :p & I am too lazy for others stuffs + many will ask for no-so-material designed... Thanks to you in advance :highfive:

Thanks much :D

Your Heartly Welcome

:victory: Thanks

&TYSM once again eveybody (:

and better click thank button instead of a reply. :silly:
[Xiaomi Redmi 4X Themes, Apps, and Mods] Kuato:
Sure :good: :D
[Xiaomi Redmi 4X Themes, Apps, and Mods] Sheref:
Great work mate :good::good::good:
[Xiaomi Redmi 4X Themes, Apps, and Mods] Renaldi Ananda:
its dreamcatcher no dreamcaster LOOOOL xDDD
[Xiaomi Redmi 4X Themes, Apps, and Mods] __PG__:
Yeah, I realise it later :silly:

Naming All of them wasn't easy. And moreover with a unique name everytime ?

So enjoy the Splashes. Leave the Names ;)
[Xiaomi Redmi 4X Themes, Apps, and Mods] Renaldi Ananda:
can u make ctos splash screen?
[Xiaomi Redmi 4X Themes, Apps, and Mods] __PG__:
It's already there in

https://xdaforums.com/showpost.php?p=76086850&postcount=3

See watchdogs :victory:
[Xiaomi Redmi 4X Themes, Apps, and Mods] Angharad:
Can you make from this image?

Thanks anyway
[Xiaomi Redmi 4X Themes, Apps, and Mods] Hades Th:
Tks bro for all????
[Xiaomi Redmi 4X Themes, Apps, and Mods] tommyram:
Thanks bro:good:
[Xiaomi Redmi 4X Themes, Apps, and Mods] prabowov:
Nice work. Thank you sir
[Xiaomi Redmi 4X Themes, Apps, and Mods] areeharyanto:
thanks bro :svetius:
[Xiaomi Redmi 4X Themes, Apps, and Mods] DEvilAnimeGuy:
My custom Boot logo and Animation [https://m.youtube.com/watch?v=WVRoTGwlkL4]
[Xiaomi Redmi 4X Themes, Apps, and Mods] G-up@94:
Can u pass the link plz
[Xiaomi Redmi 4X Themes, Apps, and Mods] DEvilAnimeGuy:
?

But... I created that myself and (_ _ ) from where I can share (Only 14.21% in favor of sharing)
[Xiaomi Redmi 4X Themes, Apps, and Mods] G-up@94:
So upload on Gdrive and Send me link on kadri.r4x@gmail.com i will not share it. Only personal use bro. Im a big fan of Tokyo ghoul even requested splashcreen based on it :)
[Xiaomi Redmi 4X Themes, Apps, and Mods] DEvilAnimeGuy:
??

OK. For now I can only share the BootAnimation.zip. You can make a custom Tokyo Ghoul Boot Logo by yourself if you have PC otherwise I'll send you the zip file later (I'm not at my home so can't send the Boot Logo).

??
[Xiaomi Redmi 4X Themes, Apps, and Mods] TzOne9:
i know this is for redmi 4x, but it's cool that it work on my redmi 4a, everytime i install splash.img it always only last about 1 sec after that it goes back to original mi logo. or just a linux penguin logo, also this might be a stupid question but can i use the tools for making my own bootlogo for my redmi 4a (rolex)?
[Xiaomi Redmi 4X Themes, Apps, and Mods] n0n2m399:
Can you do another avengers edition with better fastboot logo
[ZTE Nubia Z17  Questions & Answers] yalcinbekleri:
You may have difficulty understanding it first because I wrote it through google translate.

I'm a 2 month z17 user. I tried various software because of the notion of the original software and the gapps problem. I got my last performance on the miu9.

I left the charge in the evening, my phone slowed down and stayed plugged in the morning. I thought it might be software and I tried to wipe it with twrp. I ended up doing the w-ipe process. I tried to discard the software I used later. I waited 4 hours and 5 hours. loading lasted for exactly 1 day.

What should I do ?

phone: ZTE Nubia Z17 (nx563j)

twrp: 3.2.1.1 Glass

Rom: [PORT] MIUI 9 by xiaomi.eu 9.2.4 stable
[ZTE Nubia Z17  Questions & Answers] sewkanteam:
I hope ı understand rıght . I thınk you stuck in twrp ? you cant open the phone :S

if you re still in twrp . you can connect pc wıth usb .

put stock rom 4.16 and ınstall it.

edit : bana mesaj atabilirsin.
[ZTE Nubia Z17  Questions & Answers] yalcinbekleri:
The original software is suan. I have twrp access. but the phone is slow and stuck at every step. as if it were a "bad sector".

- pm gönderdim kardeşim.
[OnePlus 3T Guides, News, & Discussion] roor7:
I wanted to create a guide which is as simple as rooting a OnePlus 3T. I don’t know if it will work with the OnePlus 3. I’m not responsible for anything. You’re doing it on your own risk, so only do it if you know what you will do, now! It may brick your device.

This is the way it worked for me. I do not guarantee it will work for you!

READ THE WHOLE INSTRUCTIONS FIRST BEFORE YOU DO ANYTHING​

What we do:

- Flash TWRP

- Flash an old version of OOS

- Enable dm verity

- Relock the bootloader

- Flash the latest stock rom

What you need:

- Computer (Windows 7 or 10)

- USB Cable

- about 1 hour of your lifetime

YOU WILL LOOSE ALL YOUR DATA - ALSO THE INTERNAL STORAGE WILL BE DELETED (pics, music and all the stuff stored there)​

Download to your computer:

Latest TWRP for OnePlus 3T

https://xdaforums.com/oneplus-3/one.../recovery-official-twrp-oneplus-3-3t-t3543391

and

latest OOS from OnePlus for your 3T

http://downloads.oneplus.net/

THE USB DRIVERS MUST BE INSTALLED ON YOUR COMPUTER​

Download to the phone:

4.0.2 OOS Stock rom (post #2)

https://xdaforums.com/oneplus-3t/development/recovery-twrp-oneplus-3t-t3507308

Flash TWRP:

1. Start your phone in fastboot mode (don’t connect to your PC yet!)

2. Open CMD as Admin (Windows start-menu - type “cmd”, right-click, run as administrator)

3. connect your phone

4. rename the file to “recovery” (don’t type “recovery.img” manually, only “recovery”)

5. type command “fastboot devices” -> device will be listed

6. command “fastboot flash recovery C:\Users\...\recovery.img” (the path where it’s stored)

7. done -> boot to recovery

8. disconnect your phone - leave CMD open

Flash OOS 4.0.2

1. Go into TWRP

2. wipe “System, Data, Cache, Dalvik”

3. Install OOS 4.0.2

4. reboot into fastboot

Enable dm-verity:

1. connect your 3T when it’s back in fastboot

2. type in CMD “enable dm-verity”

3. done - keep CMD open and the phone connected

Relock the bootloader:

1. type in CMD “fastboot OEM lock”

2. Warning message on your phone will pop up -> choose “yes” on your phone by using the volume buttons to lock the bootloader (keep CMD open)

Update to the newest OOS via “sideload”:

1. VOL down to boot into recovery

2. choose “Install from ADB”

3. “Upgrade Android from USB?” -> “Ok”

4. rename the OOS zip file to "update"

5. type in CMD “adb sideload C:\Users\...update.zip”

6. done

7. reboot the device - it will take about 10 minutes, DO NOT INTERRUPT THE PROCESS

Finish :)

Take your time! Don't do it if you're in a rush.

Please give me feedback if it worked for you or if I have to change something.
[OnePlus 3T Guides, News, & Discussion] chowchillacharlie:
enable dm-verity doesnt work

"enable is not recognised..."
[OnePlus 3T Guides, News, & Discussion] roor7:
Did you check if the device is listed in fastboot?

You can also try the command "disable" and then "enable"

Sometimes you may need to do it first, even if it's disabled
[OnePlus 3T Guides, News, & Discussion] WhataHulk:
Thanks for your threat. I tried this but had to do a couple things differently.

I think enabling/disabling dm-verity works only with old firmware.

What I used:

* 4.0.2 firmware from this threat https://xdaforums.com/oneplus-3t/how-to/firmware-modem-collection-flashable-zips-t3565535

* latest oneplus recovery and rom https://downloads.oneplus.com/

* the recovery can be downloaded from a link on the bottom of the rom download site.

I started with twrp and a custom rom.

You need usb debuging enabled and adb and fastboot installed

What I did:

* I did a Nandroid backup, and copied the sdcards content to my computer, because the following completely wiped my phone

"adb pull /sdcard /path/to/my/drive/"

* flash 4.0.2 firmware, with trp

enter adb sideload mode in twrp and

"adb sideload firmware.zip"

* fastboot flash oneplus recovery

"fastboot flash recovery recovery.img"

* using onplus recovery and sideloading installed latest oneplus rom

enter adb sideload and

"adb sideload oneplusrom.zip"

* did a factory reset in oneplus recovery and cheked if my phone would boot

* entered fastboot mode

"fastboot oem disable_dm_verity", then "fastboot oem enable_dm_verity"

"fastboot oem lock"

after that my phone got wiped again, and the next boot took a long time

Then the phone was completely stock
[OnePlus 3T Guides, News, & Discussion] APG1888:
Wanted to post to say thanks to roor7 and WhataHulk - had a rooted 3T I wanted to sell following an upgrade (best price requires the phone to have no sign of root!), and this was the only method that worked for me to enable dm-verity.

As a quick note, I followed roor7's guide, but got the same error message as chowchillacharlie. After sme playing about I found the simplest soultion was using the CMD line provided towards the end of WhataHulk's guide, i.e. - "fastboot oem disable_dm_verity", then "fastboot oem enable_dm_verity". For me, roor7's guide swapping the type "enable dm-verity" in CMD with "fastboot oem enable_dm_verity" worked a treat.

Sorry if that is all incredibly obvious to most people!

Thanks again gents.