Full wipe, but without loosing TWRP? - OnePlus 7 Pro Questions & Answers

Hi,
Wanna run pure LOS without Magisk and EdXposed. Have lost TWRP to many times, and had to flash stock in fastboot to be able to flash TWRP again.
Edit: Wipe system, dalvik and data, not format data.

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[ROM][UNOFFICIAL][8.1.0] LineageOS 15.1 Oreo

Hi,
It seems like there's a LineageOS 15.1-based rom avalible for Moto X Style.
Tested, it's quite laggy and buggy.
Happy Flashing
androidfilehost.com/?fid=673791459329070491
I tested it and did not recommend it by the hour.
Even it is very difficult to return to another rom 7.1. The problem recovery after the flash of this rom.
how did you return to 7.1? mine cant flash 7.1 even cant restore nandbackup, wipe dalvic, etc only reboot, cant downgrade bootloader in fastboot
22pises said:
how did you return to 7.1? mine cant flash 7.1 even cant restore nandbackup, wipe dalvic, etc only reboot, cant downgrade bootloader in fastboot
Click to expand...
Click to collapse
You are using wrong twrp ver.
Here you can find correct:
https://forum.xda-developers.com/moto-x-style/general/custom-roms-nougat-modem-t3733105
dzidexx said:
You are using wrong twrp ver.
Here you can find correct:
https://forum.xda-developers.com/moto-x-style/general/custom-roms-nougat-modem-t3733105
Click to expand...
Click to collapse
wipe and flashing is now working but when i flash my 7.1 rom and even my 7.1 nandbackup is now bootloop only the 8.1 is only working now im stuck in unofficial 8.1 with full of bugs i cant downgrade bootloader also
Twrp:
Format cache, systam, data to ext4, reboot bootloader, go to twrp, format all back to f2fs, reboot bl, twrp, flash any custom for N modem.
Apps & data you can restore/extract with titanium backup or nandroid manager app.
Before this you can try restore or flash boot.img(extract from custom.zip), reboot twrp, wipe all & format data then restore your backup. @22pises
dzidexx said:
Twrp:
Format cache, systam, data to ext4, reboot bootloader, go to twrp, format all back to f2fs, reboot bl, twrp flash any custom for N modem.
Apps & data you can restore/extract with titanium backup or nandroid manager.
Before this you can try restore or flash boot.img(extract from custom.zip), reboot twrp, wipe all & format data then restore your backup.
Click to expand...
Click to collapse
i see, i will try
Twrp - adv wipe - select one partition - change... - ext4... etc.
dzidexx said:
Twrp - adv wipe - select one partition - change... - ext4... etc.
Click to expand...
Click to collapse
thankyou very much for the help, im back in los7.1 again my phone is working now

How to wipe phone with official twrp and magisk

Hey guys,
Right now I'm running latest 5.1.6 with magisk and official twrp.
Question: when I want to start from scratch, how can I wipe the phone properly without getting a bootloop or something. Do I have to wipe inside the Android system or do I have to boot up twrp recovery and use factory reset? Factory reset means all data will be wiped, do I have then to transfer twrp official installer and magisk zip again to the phone and flash them to start a fresh 5.1.6 rom on top of twrp official and magisk?
Thank you
Kind regards
Push
I'd recommend flashing full stock ROM. Thrn reboot to stock recovery and factory reset.
Then reflash twrp/magisk.
Just do a wipe in twrp and reflash the latest ota. A wipe won't erase your internal storage, so your installation files will still be there. (Remember you have to reinstall twrp after flashing an ota.)
So it's the same procedure when I want to downgrade from 5.1.8 to 5.1.7? Should I only do a factory reset in TWRP and then flash the flashable 5.1.7 full ota?
A factory reset will wipe all your files. Just wipe data in twrp.

full wipe brick? help please

Hello everyone! Need help.
I was testing some Xposed modules and then the system crashed and started no more.
I entered the twrp and made a wipe in all the options that there was to do.
The problem is that now the phone does not start any more, there is no way to get into the recovery or the room. When you turn it on, it goes straight to the recovery qualcoom screen. How should I proceed?
Sounds like you wiped system aswell...
Fastboot twrp should work.
In fastboot twrp flash twrp zip
Reboot to twrp
Flash OOS
Flash twrp
Reboot to twrp
Flash magisk
Should get you booted atleast
reflash oxygen os in twrp after wiping data and cache
matze19999 said:
reflash oxygen os in twrp after wiping data and cache
Click to expand...
Click to collapse
I can not access twrp because I've made a full cache, dalvik, system, and internal memory wipe. Only fastboot mode opens
You should can access TWRP because you didn't wipe recovery partition
https://forum.xda-developers.com/oneplus-6/how-to/tool-msmdownloadtool-v4-0-international-t3903272
Follow the instructions care full...you device will work
Thanks man <3

Problems flashing Roms

heelo guys
im having a problems flashiing roms. i tryed Paranandroid, RR and crDroid...
after i flash them i get bootloop into TWRP. whac can i be doing wrong?
the steps i do are this:
flash ROM -Flash TWRP - REBOOT to TWRP - Flash Gapps - Flash Magisk - Then bootloop
can anyone please help me?
anyone? please?
first install OOS 10 on both slots (i have open beta 4)..than boot to OOS 10, not setup! Then boot TWRP and factory reset, not FORMAT DATA!!! Then reboot TWRP and install ROM, TWRP, reboot, install Gapps and Magisk (optional)
mcboums said:
first install OOS 10 on both slots (i have open beta 4)..than boot to OOS 10, not setup! Then boot TWRP and factory reset, not FORMAT DATA!!! Then reboot TWRP and install ROM, TWRP, reboot, install Gapps and Magisk (optional)
Click to expand...
Click to collapse
hello mate
and when i install Rom, do i need to install on both slots or i can have one has backup (its what i have been doing till now)?
and when i factory reset, what will i lose?
Well, it is difficult to say. Usually, every ROM has its thread, its instructions and its community that helps with problems related to installing that ROM.
It could be a few things:
1) I do not see any mention about wiping data. Usually you need to wipe data and wipe system partition in twrp before you install a new ROM. Maybe that is the issue. However, what you need to wipe is ROM specific.
2) Check prerequisites, what ROM version you need to be running before you flash. Sometimes that matters.
3) OnePlus 6 has these A/B slots that I do not fully understand. From what I have read, if you are running on slot A, update installs on slot B, and then you reboot to slot B and cycle continues. BUT DO NOT TRUST ME ON THIS. You should read yourself. Anyway, sometimes people recommend flashing both slots A and B. For some ROMs. For LineageOS, for example, that is not necessary.
oh, factory reset damn i would want to configure everything again
I think first.
You have to WIPE data, all. Factory wipe option.
Then boot into twrp
First, flash OOS, followed by TWRP
Reboot to Recovery using twrp itself.
And then again flash OOS and TWRP.
Reboot to recovery again (using the option in twrp itself)
Finally, then install your rom followed by gapps etc etc
Then it should work....
is there anyway to do this without factory reset?
no

metadata in twrp?

I'm trying to find information about metadata wipe in twrp but can't find about it. I was trying to dalvik wipe but selected metadata partition as well and swiped to wipe and found myself in bootloop to recovery everytime i boot to system. So far i don't want to format data thinking i might get a solution as i don't have backup so i wanted to know if there is any hope to recover the data and boot normally to same rom.
I tried dirty flash rom but same result booting to twrp.

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