One Plus 8 Pro features (Wifi / Camera) stopped working after root - OnePlus 8 Pro Questions & Answers

I rooted my OP8-Pro. I followed the instructions in this video:
https://www.youtube.com/watch?v=UVABAEGRgew.
To summarize, his steps were as follows:
1. Unlock the bootloader
2. Extract boot.img file from payload bin file (on Windows)
3. Install Magisk Canary 2020 app on the phone
4. Install the boot.img file through Magisk
5. Download Fastboot.zip in Windows and extract files
6. Download and place magisk.patched file in Fastboot folder
7. Connect the phone to Windows, use cmd to boot into bootloader
8. Flash the magisk.patched file on the device and reboot
This is a new method to me. In the past rooting always involved TWRP. Root checker shows that the phone is rooted but other features have stopped working.
WiFi no longer works. Even if I turn it on, it turns itself off. Camera keeps crashing and I can't even change the camera mode once I launch the app. My phone also rebooted itself a couple of times while I was testing it after root.
I also rooted my One Plus 6 in 2019 but had to use a custom TWRP (Bluspark) for it to be stable.
I rather start over with a factory reset than try to repair the device in it's current state (but will try to repair it if it's easier). I prefer to stick with the factory ROM and only need root for one app.

Try latest stable magisk instead of canary. Mine works perfectly with regular magisk

I used the all in one tool by mauronafrio here. Worked flawlessly.
shagexpert said:
I rooted my OP8-Pro. I followed the instructions in this video:
https://www.youtube.com/watch?v=UVABAEGRgew.
To summarize, his steps were as follows:
1. Unlock the bootloader
2. Extract boot.img file from payload bin file (on Windows)
3. Install Magisk Canary 2020 app on the phone
4. Install the boot.img file through Magisk
5. Download Fastboot.zip in Windows and extract files
6. Download and place magisk.patched file in Fastboot folder
7. Connect the phone to Windows, use cmd to boot into bootloader
8. Flash the magisk.patched file on the device and reboot
This is a new method to me. In the past rooting always involved TWRP. Root checker shows that the phone is rooted but other features have stopped working.
WiFi no longer works. Even if I turn it on, it turns itself off. Camera keeps crashing and I can't even change the camera mode once I launch the app. My phone also rebooted itself a couple of times while I was testing it after root.
I also rooted my One Plus 6 in 2019 but had to use a custom TWRP (Bluspark) for it to be stable.
I rather start over with a factory reset than try to repair the device in it's current state (but will try to repair it if it's easier). I prefer to stick with the factory ROM and only need root for one app.
Click to expand...
Click to collapse

I used the all in one tool by mauronafrio here. Worked flawlessly.
Click to expand...
Click to collapse
So I tried that tool. I tried to flash factory image downloaded directly from One Plus website and kept getting the following error message:
"Error: flash-all.exe or flash-all.bat or flash_all.bat or flashall.bat not found!!!"
I think this has to do with the fact that I am using a secondary hard drive on my computer to store all the downloaded files and the bat file is supposed to be in the same folder as the zip file.
I also reset it to factory settings from the recovery mode but that didn't fix the WiFi issue.
Then I ran TWRP from the All in one Tool and installed the factory firmware from phone's internal memory. This soft bricked my phone.
After getting soft-bricked I installed Magisk through the tool but that didn't fix the issue.
Now it is stuck in a boot loop and keeps going into recovery mode. I can also boot into Fastboot mode and install zips through there but I would like to unbrick it first. Is there an alternative ROM that can unbrick it?

I think I am going to try and use the unbrick tool first and if that doesn't work I will try the Fastboot ROM, that already comes with the bat file.
I am a little confused as to which version goes on my phone though. They have Indian, Global and European versions but I live in the U.S. Global seems to be the most appropriate for my phone but I don't want to install the wrong ROM on it.

I remember reading that you can run into WiFi issues if you flashed the wrong version (from a different region) for your phone
I've rooted for many years and this is the first time I didn't go through TWRP as well.

If you use the unbrick tool you'll probably get issues with the fingerprint reader. But that's fixable, after you've rooted.
The easiest way to get root is to just unlock the bootloader, fastboot boot twrp (not flash), and then flash magisk 20.4 stable.
Before TWRP you had to patch the boot.img and fastboot flash it, but with twrp there is no need for it.

If you use the unbrick tool you'll probably get issues with the fingerprint reader. But that's fixable, after you've rooted.
The easiest way to get root is to just unlock the bootloader, fastboot boot twrp (not flash), and then flash magisk 20.4 stable.
Before TWRP you had to patch the boot.img and fastboot flash it, but with twrp there is no need for it.]
Click to expand...
Click to collapse
Thanks for letting me know. I attempted to use the unbrick tool but it had problems connecting to the phone. And I also didn't want to run into finger print issues.
I downloaded the patched Rom (with flash-all.bat file included) and installed it via All in one tool. That unbricked the phone and I reset the system to start from scratch. I used the global / international version for my North American phone.
After setting up the phone, I rebooted into Fastboot and loaded TWRP via All in one tool and installed Magisk 20.4 and got the phone rooted.
Root checker shows the phone is now rooted. WiFi and camera also work. I am ready to transfer data from the old phone.
This would have gone smoother if I had just used the correct version of Magisk from the start.

Related

LG K20 plus, how to flash original rom

I have a LG K20 plus with t mobile as the carrier. I believe the model should be TP260. I mistakenly restored a twrp backup from a metro pcs phone that I got from this site coincidentally. Now my phone drops calls and data frequently and shows metro pcs on bootup vs tmobile. I have a kdz file but it won't flash because it now also thinks the model is MP260...not TP260 and says it's a mismatch. Any ideas on how I can get a restore for tmobile to try to reset the phone?
Just bumping
i could use a restore too. I installed super SU root and lost access to android pay. I wasnt to try that magisk root
I restored mine with the linked files.
install LG driver (uninstall any other drivers first)
install LGUP
remove battery from phone and replace
hold volume up key
insert USB while holding down volume up key
phone will boot to download mode
drivers will find phone
run UPPERCUT.exe
UPPERCUT.exe will launch LGUP with phone connected. if phone is not connected try again.
in LGUP lower window browse to TP26010k_00_0316.kdz
choose UPGRADE option in LGUP
click START in LGUP
factory ROM and Recovery will be installed, bootloader will still be unlocked
https://drive.google.com/open?id=0BygTApD1iNSSb3pCcU9RRlV1MVE
magisk can be installed using the same method as superSU. Mine is working along with AndroidPay
colemanimal said:
I restored mine with the linked files.
install LG driver (uninstall any other drivers first)
install LGUP
remove battery from phone and replace
hold volume up key
insert USB while holding down volume up key
phone will boot to download mode
drivers will find phone
run UPPERCUT.exe
UPPERCUT.exe will launch LGUP with phone connected. if phone is not connected try again.
in LGUP lower window browse to TP26010k_00_0316.kdz
choose UPGRADE option in LGUP
click START in LGUP
factory ROM and Recovery will be installed, bootloader will still be unlocked
https://drive.google.com/open?id=0BygTApD1iNSSb3pCcU9RRlV1MVE
magisk can be installed using the same method as superSU. Mine is working along with AndroidPay
Click to expand...
Click to collapse
You were able to install TWRP after this process with the TP26010k_00_0316.kdz?
I am on TP26010E and don't want to upgrade to TP26010k if TWRP cannot be flashed as it has been stated here.
Yeah, you have to perform OEM unlock again, but I have been able to flash TWRP after flashing the previously attached .kdz with the LGUP tool
colemanimal said:
I restored mine with the linked files.
install LG driver (uninstall any other drivers first)
install LGUP
remove battery from phone and replace
hold volume up key
insert USB while holding down volume up key
phone will boot to download mode
drivers will find phone
run UPPERCUT.exe
UPPERCUT.exe will launch LGUP with phone connected. if phone is not connected try again.
in LGUP lower window browse to TP26010k_00_0316.kdz
choose UPGRADE option in LGUP
click START in LGUP
factory ROM and Recovery will be installed, bootloader will still be unlocked
https://drive.google.com/open?id=0BygTApD1iNSSb3pCcU9RRlV1MVE
magisk can be installed using the same method as superSU. Mine is working along with AndroidPay
Click to expand...
Click to collapse
Can I install this kdz from twrp and install supersu?
no, you have to use LGUP tool. This is a LG image that will flash everything including your recovery partition, and not a flashable ROM image.
You flash root through TWRP, you use LGUP for kdz as the user above said rom flashing and kdz flashing are two different things
See this post which reflects the new kdz available https://forum.xda-developers.com/showpost.php?p=73690098&postcount=3
Just a Heads up there is a new version out, as of 9/01/17
MP26010r_00_0817.kdz
download link
https://lg-firmwares.com/lg-mp260-firmwares/
Click to expand...
Click to collapse
I flashed the modded ROM for MetroPCS, and couldn't flash kdz file because my phone was identified as MP260, instead of TP260.
I wiped the phone and re-locked the bootloader, and the phone would only boot into download mode, It gave a message about it being corrupted.
I took it back to TMO, and the sales people thought it was a virus, and replaced the device.
I've made a TWRP backup for anyone who runs into the same problem. This will fix your problem, so you can use the flash tools available for this device.
NOTE: I also provided Root tools and instructions for those Rooting for the first time.
1. Power off device, plug into computer, then hold volume up for download mode and let COM drivers install, you may need to change COM port to 41, through device manager.
2. In LGUP, choose upgrade or FOTA upgrade.
2. Once you flash firmware, you'll have to hit reset once or twice to get rid of the encryption failure notification.
3. Enjoy rooting your device again if you so choose.
ROOTING:
NOTE: Must have ADB & Fastboot setup already.
First you must unlock your bootloader.
1. In about phone settings, tap build number 6x to get developer settings, enable adb debugging and OEM unlock. Now plug into your computer.
2. Boot into Fastboot mode.
A. Open command prompt and type: adb reboot-bootloader.
B. Next type: fastboot oem unlock.
WARNING: You'll be prompted to factory reset device to protect your data. Your chance to turn back, if your brave then continue. Your device will factory reset, and you'll have to perform the first step again and you'll be ready to root.
1. To flash TWRP, plug into computer, then in command line navigate to where you have your recovery.img
A. adb reboot-bootloader
B. fastboot flash recovery recovery.img
2. Pull battery and manually boot into recovery,
A. volume+down as soon as you see LG, release then press again quickly and hold, follow the steps provided.
3. Hit cancel for the encryption notice, and swipe to modify system.
4. You must format device to get rid of encryption message, so choose format and it will ask you to type, yes.
5. Stay in recovery and flash the no-encryption.zip, and Magisk, if you choose to use it for your SU manager. Stay in recovery.
6. Reboot into recovery, and then set up your TWRP environment.
7. Enjoy Root:laugh:
NOTE: If you decide to root again, try using Magisk for SU management. Magisk's mods are excellent, and can run along side Xposed. If you choose Magisk, do not flash SuperUser.zip
TWRP STOCK BACKUP
https://mega.nz/#F!a59RBICD!kOisA-eOxviWK07Dn182FA
LG tools w/ Latest kdz
https://mega.nz/#F!b9sWDBwR!LjhrhZgYXB-BNHUWE11tJw
Sent from my K20 Plus using XDA Labs
Question I have a metropcs k20 version.Can I flash the t-mobile Rom with any problems.Thanks
Rican39 said:
Question I have a metropcs k20 version.Can I flash the t-mobile Rom with any problems.Thanks
Click to expand...
Click to collapse
You could probably flash the TWRP back up. After that your device would be Identified as TP260, by the flash tools and you'd end up with the same issue I had, when you decided to go back to stock, so make a TWRP backup on external memory. The KDZ file most likely won't flash because it performs a DLL check, to match device with firmware.
blas4me said:
You could probably flash the TWRP back up. After that your device would be Identified as TP260, by the flash tools and you'd end up with the same issue I had, when you decided to go back to stock, so make a TWRP backup on external memory. The KDZ file most likely won't flash because it performs a DLL check, to match device with firmware.
Click to expand...
Click to collapse
Thanks for reply.And info
does anyone have an mp 260 zip rom for twrp before boot?
5(/!p7 kiddie said:
does anyone have an mp 260 zip rom for twrp before boot?
Click to expand...
Click to collapse
I've got backup after unlock Bootloader and before root. Pretty sure it's got recovery on it. I always make a backup asap. It's the mp26010t (I had the November patch but some reason after root it says Oct).
Is that what you need?
Pm me if this is what you need and I'll send you a link
I have a Metro LG K20 Plus phone and want to change the firmware to T-Mobile. I have not been successful doing this as I always get invalid firmware, because LG UP recognizes the phone as a metro phone. Is there a way to succeed in getting the T-Mobile firmware on the phone?
thanks in advance.
lg k20 plus tmobil
lgup recognizes my model correctly as lg-tp260 on [com41] but it just sits there initializing for eternity. With my model highlighted I select it and I keep getting the error "LGUP cant load the model [C:\Program Files(x86)\LG Electronics\LGUP\model\com. I have installed lg air drive, lg bridge, lgup8994.dll, lgup for store. I desperately need to get this thing back to stock, I have the AICP rom installed but I dont like it. it was a mistake, if anyone can help I would appreciate it.
stovo06 said:
I've got backup after unlock Bootloader and before root. Pretty sure it's got recovery on it. I always make a backup asap. It's the mp26010t (I had the November patch but some reason after root it says Oct).
Is that what you need?
Click to expand...
Click to collapse
Could you PM me this link to the Metro PCS stock backup, if you still have it?

Mi A1 not recognized in Fastboot(?!)

I *just bought Mi A1, and I want the Night Light feature. And the blue accents (I love it).
I enabled OEM unlocking, enabled USB debugging. adb recognized my phone, and I rebooted it to bootloader (fastboot).
HOWEVER, fastboot devices brought up no devices - the phone is not being recognized.
I used the AIO tool here, and I'm getting the same results. Interestingly, when I reboot to the bootloader, the phone switches off after 30 seconds or so, and instead starts charging (cuz it's connected to my laptop) but it stays in fastboot if I use Vol - and power button.
I could be missing USB drivers, I supposed. I had installed drivers from the AIO tool, am I missing something?
Help appreciated, thanks!
If phone switches off/reboots in fastboot mode, it usually means that drivers are installed incorrectly. Find phone in device manager and install drivers manually from there.
_mysiak_ said:
If phone switches off/reboots in fastboot mode, it usually means that drivers are installed incorrectly. Find phone in device manager and install drivers manually from there.
Click to expand...
Click to collapse
Thanks! Where can I download the drivers? Through Windows update itself or from any other source?
kvn95ss said:
Thanks! Where can I download the drivers? Through Windows update itself or from any other source?
Click to expand...
Click to collapse
For example here and just follow the video guide in the post for both ADB and Fastboot drivers installation.
With your phone in fastboot mode, look in device manager, there is probably a device that does not have drivers. If you have already installed them, you can try having Windows search for them. Then you would validate by doing a fastboot devices command from command prompt.
I have managed to get it working, I've flashed TWRP, however it goes into a bootloop with linux penguin, then a white background with Google colors and an open lock at the bottom, reading "Unlocked".
Strangely, if I flash TWRP with the AIO tool, the phone boots into system rather than loading into TWRP ?
Any reason for the peculiarity!?
Also, I can't reboot the phone.
And for some reason, my phone is encrypted!
Don't flash TWRP, just boot into it when you need it. From what I read you can't have TWRP + Magisk installed at the same time, so IMHO it's not worth the effort. Personally I use TWRP only to install Magisk..
Why do you want to keep phone decrypted? There is zero performance hit with encryption and it's, well, more secure
_mysiak_ said:
Don't flash TWRP, just boot into it when you need it. From what I read you can't have TWRP + Magisk installed at the same time, so IMHO it's not worth the effort. Personally I use TWRP only to install Magisk.
Click to expand...
Click to collapse
Oohh.. okay. Right now I'm downloading the Dec. update. I'll flash that with MiFlash tool (saving the user data) and then install Magisk with TWRP.
Before that, should I try flashing stock recovery?
Why do you want to keep phone decrypted? There is zero performance hit with encryption and it's, well, more secure
Click to expand...
Click to collapse
Well... I thought that the encryption is preventing my phone from booting. Strangely, flashing TWRP 3.2 using the AIO boots my phone to system, so at least I can use my phone.
_mysiak_ said:
Don't flash TWRP, just boot into it when you need it. From what I read you can't have TWRP + Magisk installed at the same time, so IMHO it's not worth the effort. Personally I use TWRP only to install Magisk.
Click to expand...
Click to collapse
ALSO, do I have to install magisk on both the slots?
I suppose that you want to root your system in the easiest possible way, I'd suggest:
1. flash December fastboot ROM (MiFlash or via fastboot directly, keep user data). This will flash full December ROM to BOTH slots and set slot A as active. At this point you have fully stock device.
2. unlock bootloader
3. fastboot into TWRP
4. flash Magisk
That's it. Magisk will be installed only into the active slot A. There is probably no reason to install it also in slot B. If you want to return to stock, it is enough to restore boot.img, either from Magisk app directly, or via fastboot.
_mysiak_ said:
I suppose that you want to root your system in the easiest possible way, I'd suggest:
1. flash December fastboot ROM (MiFlash or via fastboot directly, keep user data). This will flash full December ROM to BOTH slots and set slot A as active. At this point you have fully stock device.
2. unlock bootloader
3. fastboot into TWRP
4. flash Magisk
That's it. Magisk will be installed only into the active slot A. There is probably no reason to install it also in slot B. If you want to return to stock, it is enough to restore boot.img, either from Magisk app directly, or via fastboot.
Click to expand...
Click to collapse
So, I flashed the December fastboot ROM, unlocked my bootloader, booted to TWRP and installed Magisk v14 (latest). It installed without issues, but when I try to boot, it goes into a boot loop.
Also, when I boot using TWRP (no modifications) my hotspot doesn't seem to work, I have to restart my phone to fix it.
Well, I guess I'll try it once more...
Damn, it worked! Magisk installed and phone boots well. The phone gives a warning before booting, that it can't be checked for corruption (probably because of the unlocking I guess).
Now, onto installing the Magisk module which gives me to use GCAM (HAL3) and nightlight.
Just a note, Magisk v14 doesn't work well with dual partitions, this might explain strange behavior. Use official Magisk beta v 14.4 or 14.5.

[Guide][Root] Magisk without TWRP on Android P

Via Magisk Manager:
This method does not need root, and also does not require a custom recovery.
However, you MUST have a stock boot image dump beforehand, and you also have to be able to flash the patched boot image, either through fastboot mode
REQUIREMENTS -
1 - Setup adb and fastboot on your PC.
2- Stock boot image (boot.img) of your device (extract file from factory image android P)
3 - Last Magisk Manager (v 5.8.3)
4 - Active Internet connection
5 - Active mind and patience.
6 - Devices must is unlock bl.
This Boot-Image is for boot android P PPR1.180610.009:
https://drive.google.com/open?id=166pE9aMk-jqns3JM74enFhsaDY6-c3yJ
Magisk Manager
https://forum.xda-developers.com/apps/magisk/official-magisk-v7-universal-systemless-t3473445
==================================================
Step 1: Patching the stock boot.img
1- Copy the stock boot.img of your device to your phone's internal storage.
2- Install the latest Magisk Manager
3- Launch Magisk Manager app
4- If prompted to install Magisk, select NO THANKS
5- If you're planning to flash the patched boot image,For normal users leave it as the default .img
6-Press Setting>Update Channel>Beta
7- Press Install > Install > Patch Boot Image File, and select your stock boot image file
Navigate to the location of the stock boot.img you copied earlier on, then Select it
8- Magisk Manager should begin downloading the magisk zip file used for patching
9- Once download is complete, MagiskManager will automatically patch the boot file and store it under SDcard/MagiskManager/patched_boot.img
Step 2: Flashing the patched boot.img
1- Copy the patched_boot.img from your phone's internal storage to folder adb or platform-tools on PC (directory>SDcard/MagiskManager/patched_boot.img)
2- You could also use Fastboot to flash the patched_boot.img or boot.img (if you've renamed then the command must reflect the file name) as outlined below
How to Flash patched_boot.img using Fastboot
1- Setup adb and fastboot on your PC.
2- Unlock the phone's Bootloader (if its not unlocked)
3-Re-enable USB debugging on the phone
4- Connect the phone to the PC via USB cord
5- Boot into fastboot mode.
code
-adb reboot bootloader
6- Flash the patched_boot and reboot by typing in the commands below into adb CMD prompt window and hitting Enter after each line -
Quote:
Code:
fastboot devices
fastboot flash boot patched_boot.img
fastboot reboot
-Verify root using Root Checker
Try at your own Risk
CREDITS
@topjohnwu (Magisk)
Sadly goes into a bootloop for me - no idea why though
This worked for me. I had magisk installed and took the pie update. No more root. D/l the factory image and extracted the boot image to the files folder...pissmeoff they changed the name of the icon... and magisk patched the image and saved it in its folder. Found the file, moved it to the laptop then flashed it.
reawo said:
Sadly goes into a bootloop for me - no idea why though
Click to expand...
Click to collapse
I think you made a mistake.
I always did that method pre Pie and it always worked but now I end up in a bootloop and I did everything according to guide
reawo said:
I always did that method pre Pie and it always worked but now I end up in a bootloop and I did everything according to guide
Click to expand...
Click to collapse
I think you use my file(boot.img) for patch_boot.img from magisk manager.
I think you must check your build number devices.
You must use file boot.img from your factory image for root.
9.0.0 (PPR1.180610.009, Aug 2018) >This is version for my devices
9.0.0 (PPR1.180610.011, Aug 2018, Telstra) >?
hey mate thanks for the input, I got a normal non testra (whatever that is) taimen - tried your boot.img and before that I tried the one from the factory image, both result in a boot loop.
I went through all stages of the Android p beta and in the end, to try solve this, I also non wipe flashed the factory image all to get the same result
could you sent me a drive Link to the patched version of yours or something?
reawo said:
hey mate thanks for the input, I got a normal non testra (whatever that is) taimen - tried your boot.img and before that I tried the one from the factory image, both result in a boot loop.
I went through all stages of the Android p beta and in the end, to try solve this, I also non wipe flashed the factory image all to get the same result
could you sent me a drive Link to the patched version of yours or something?
Click to expand...
Click to collapse
This is file patch_boot.img from my devices.
https://drive.google.com/open?id=1nVEpoGam-VY1YT3GBbG6HNfhnT2NqRin
newyesor said:
This is file patch_boot.img from my devices.
https://drive.google.com/open?id=1nVEpoGam-VY1YT3GBbG6HNfhnT2NqRin
Click to expand...
Click to collapse
Also doesnt work, i thought so - didnt do anything different than when it worked - no idea why it doesn't though
Is there a way to see or read out any protocols regarding this?
I receive also a bootloop and I didnt make any mistake. I also used this method pre Pie, I read that alot of users have problems with rooting Pie atm, even with TWRP
reawo said:
Also doesnt work, i thought so - didnt do anything different than when it worked - no idea why it doesn't though
Is there a way to see or read out any protocols regarding this?
Click to expand...
Click to collapse
You use adb last version for flash patch_boot.img ?
I think you should flash factory image new again and factory reset your devices.
You are use stock kernel or other kernel on your devices.
newyesor said:
You use adb last version for flash patch_boot.img ?
I think you should flash factory image new again and factory reset your devices.
You are use stock kernel or other kernel on your devices.
Click to expand...
Click to collapse
I downloaded all the latest adb and fastboot. Never touched kernel or did custom recovery, always used the magisk method since i am on a pixel device. i also got the issue that my pc doesnt recognize my pixel from time to time, you think i should do a complete wipe?
I don't sure.
You are use platfrom-tool from sdk lastversion?(for flash via fastboot mode)
@reawo
I think you should flash factory image new again and factory reset your devices.
Step 1: Patching the stock boot.img
1- Copy the stock boot.img of your device to your phone's internal storage.
2- Install the latest Magisk Manager
3- Launch Magisk Manager app
4- If prompted to install Magisk, select NO THANKS
5- If you're planning to flash the patched boot image,For normal users leave it as the default .img
6-Press Setting>Update Channel>Beta ,and close this app.****
7- Open app again and Press Install > Install > Patch Boot Image File, and select your stock boot image file
Navigate to the location of the stock boot.img you copied earlier on, then Select it
8- Magisk Manager should begin downloading the magisk zip file used for patching (This process is not failed)***
9- Once download is complete, MagiskManager will automatically patch the boot file and store it under SDcard/MagiskManager/patched_boot.img
Step 2: Flashing the patched boot.img
1- Copy the patched_boot.img from your phone's internal storage to folder adb or platform-tools on PC (directory>SDcard/MagiskManager/patched_boot.img)
2- You could also use Fastboot to flash the patched_boot.img or boot.img (if you've renamed then the command must reflect the file name) as outlined below
How to Flash patched_boot.img using Fastboot
1- Setup adb and fastboot on your PC.
2- Unlock the phone's Bootloader (if its not unlocked)
3-Re-enable USB debugging on the phone
4- Connect the phone to the PC via USB cord
5- Boot into fastboot mode.
code
-adb reboot bootloader
6- Flash the patched_boot and reboot by typing in the commands below into adb CMD prompt window and hitting Enter after each line -
Quote:
Code:
fastboot devices
fastboot flash boot patched_boot.img
fastboot reboot
-Verify root using Root Checker
Try at your own Risk
Will work on the verizon variant (bootloader locked)?
sabi95190 said:
Will work on the verizon variant (bootloader locked)?
Click to expand...
Click to collapse
Nope. If it were that easy for bootloader locked Verizon phones, it would have been done months ago.
What happens if you lock the bootloader after all of this?
DarkSilentSC said:
What happens if you lock the bootloader after all of this?
Click to expand...
Click to collapse
You'll wipe the phone, lose root, and be stock.
DarkSilentSC said:
What happens if you lock the bootloader after all of this?
Click to expand...
Click to collapse
When still rooted and modified? You might very well brick it. Relocking while modified is borderline insanity.
TonikJDK said:
When still rooted and modified? You might very well brick it. Relocking while modified is borderline insanity.
Click to expand...
Click to collapse
"Borderline"???? More like certifiably insane! ?

Problems with rooting, loading ROM then recovery & download images -some solutions

Problems with rooting, loading ROM then recovery & download images -some solutions
I started with stock LG v20 T-Mobile H91810P and followed this step by step & the original threads. I loaded the latest stock Oreo from H91820H from here instead of latest Nougat H91810U - Pie & some other versions had too many things not working.
In the process there were a few problems -the major ones are following with solutions, some from here:
1) The file H91810p rom (H91810p_00_0717.kdz) downloaded from here.
2) I lost root several times, but had TWRP. So I used adb sideload like:
Boot/start TWRP and the start ADB Sideload
Download Magisk-v16.0.zip and copy to adb directory.
On Windows PC connect Cell with USB and in CMD window type (copy/paste):
adb start-server
adb sideload "Magisk-v16.0.zip"​And never update migisk after installing from above or will lose root. Also no need for SU.
3. Camera did not work and people could not hear me nor could I hear them when I picked up a call - A reboot/restart fixed it.
4. No need to download UPPERCUT (that is hard to download), because LGUP works fine without UPPERCUT.
I have 4 problems remaining -any help for solutions here is appreciated - especially exact type help please:
1) On LAF/Boot (original download) partition: Vol+ & connect to USB caused the download mode to come on for about 2 seconds and then TWRP (however I am glad that TWRP is here) -Prefer this to be the original download mode.
2) On Recovery patition: Vol- & connect to USB causes fastboot to come up. Flashed the recovery-twrp-h918-2018-10-18.img (renamed to recovery.img) to recovery partition using flashify and TWRP unsuccessfully. -Prefer this to be TWRP.
3) TWRP cannot access the Data partition. Rebuilt and reformatted Data from TWRP without success. -Prefer access to Data from TWRP.
4) At boot time: I like to get rid of the warning that my bootloader is unlocked. -I can live with this one.
After thoughts: Now that I am rooted on the latest stock Oreo H91820H -I am not sure what I want to load that I could not before?! overclocking the CPU or changing the hue on the display is not a big deal for me at all. & Yes I will uninstall some bloatware - but that is not so bad on this phone anyhow. Any good ideas or a better/later rom than H91820H that has all things working, do please let me know. I am glad that I rooted, ahh the challenge, but if I have no other reason such as to load a program then I think I will revert back to stock and unlock the bootloader & let the ROM updates come from T-Mobile & LG.
-Shahin
shahinman said:
I started with stock LG v20 T-Mobile H91810P and followed this step by step & the original threads. I loaded the latest stock Oreo from H91820H from here instead of latest Nougat H91810U - Pie & some other versions had too many things not working.
In the process there were a few problems -the major ones are following with solutions, some from here:
1) The file H91810P that needs to be reloaded was missing in original links - I think I downloaded from here.
2) I lost root several times, but had TWRP. So I used adb sideload like:
Boot/start TWRP and the start ADB Sideload
Download Magisk-v16.0.zip and copy to adb directory.
On Windows PC connect Cell with USB and in CMD window type (copy/paste):
adb start-server
adb sideload "Magisk-v16.0.zip"
And never update migisk after installing. Also no need for SU.
3. Camera did not work and people could not hear me nor could I hear them when I picked up a call - A reboot/restart fixed it.
I have 4 problems remaining -any help for solutions here is appreciated - especially exact type help please:
1) On LAF/Boot (original download) partition: Vol+ & connect to USB caused the download mode to come on for about 2 seconds and then TWRP (however I am glad that TWRP is here) -Prefer this to be the original download mode.
2) On Recovery patition: Vol- & connect to USB causes fastboot to come up. Flashed the recovery-twrp-h918-2018-10-18.img (renamed to recovery.img) to recovery partition using flashify and TWRP unsuccessfully. -Prefer this to be TWRP.
3) TWRP cannot access the Data partition. Rebuilt and reformatted Data from TWRP without success. -Prefer access to Data from TWRP.
4) At boot time: I like to get rid of the warning that my bootloader is unlocked. -I can live with this one.
After thoughts: Now that I am rooted on the latest stock Oreo H91820H -I am not sure what I want to load that I could not before?! overclocking the CPU or changing the hue on the display is not a big deal for me at all. & Yes I will uninstall some bloatware - but that is not so bad on this phone anyhow. Any good ideas or a better/later rom than H91820H that has all things working, do please let me know. I am glad that I rooted, ahh the challenge, but if I have no other reason such as to load a program then I think I will revert back to stock and unlock the bootloader & let the ROM updates come from T-Mobile & LG.
-Shahin
Click to expand...
Click to collapse
You can restore download mode by flashing the zip in the original lafexploit thread, but make sure you have twrp on the recovery partition. Make sure you are on the latest version of twrp, when you flashed twrp, you were supposed to format the data partition before flashing the rom.
Sent from my LG-H910 using XDA Labs
For access to Data in TWRP: In the original thread there is nothing about formatting, but in step by step guide there is and I followed - however it does not specify what partition to format. I also ran ./step2.sh script per instructions.
Anyhow as I mentioned above I rebuilt and reformatted the Data partition and that did not give me access. I am on the TWRP 3.2.1-3. What partitions do I need to reformat anyhow?
To flash recovery: I used TWRP and flashify to flash recovery-twrp-h918-2018-10-18.img and it flashes but does not work - I get to fastboot with Vol- & USB.
shahinman said:
Problems with rooting, loading ROM then recovery & download images -some solutions
I started with stock LG v20 T-Mobile H91810P and followed this step by step & the original threads. I loaded the latest stock Oreo from H91820H from here instead of latest Nougat H91810U - Pie & some other versions had too many things not working.
In the process there were a few problems -the major ones are following with solutions, some from here:
1) The file H91810p rom (H91810p_00_0717.kdz) downloaded from here.
2) I lost root several times, but had TWRP. So I used adb sideload like:
Boot/start TWRP and the start ADB Sideload​Download Magisk-v16.0.zip and copy to adb directory.​On Windows PC connect Cell with USB and in CMD window type (copy/paste):​adb start-server​adb sideload "Magisk-v16.0.zip"​
And never update migisk after installing from above or will lose root. Also no need for SU.
3. Camera did not work and people could not hear me nor could I hear them when I picked up a call - A reboot/restart fixed it.
4. No need to download UPPERCUT (that is hard to download), because LGUP works fine without UPPERCUT.
I have 4 problems remaining -any help for solutions here is appreciated - especially exact type help please:
1) On LAF/Boot (original download) partition: Vol+ & connect to USB caused the download mode to come on for about 2 seconds and then TWRP (however I am glad that TWRP is here) -Prefer this to be the original download mode.
2) On Recovery patition: Vol- & connect to USB causes fastboot to come up. Flashed the recovery-twrp-h918-2018-10-18.img (renamed to recovery.img) to recovery partition using flashify and TWRP unsuccessfully. -Prefer this to be TWRP.
3) TWRP cannot access the Data partition. Rebuilt and reformatted Data from TWRP without success. -Prefer access to Data from TWRP.
4) At boot time: I like to get rid of the warning that my bootloader is unlocked. -I can live with this one.
After thoughts: Now that I am rooted on the latest stock Oreo H91820H -I am not sure what I want to load that I could not before?! overclocking the CPU or changing the hue on the display is not a big deal for me at all. & Yes I will uninstall some bloatware - but that is not so bad on this phone anyhow. Any good ideas or a better/later rom than H91820H that has all things working, do please let me know. I am glad that I rooted, ahh the challenge, but if I have no other reason such as to load a program then I think I will revert back to stock and unlock the bootloader & let the ROM updates come from T-Mobile & LG.
-Shahin
Click to expand...
Click to collapse
I had this same situation and ended up bricking the phone, can't get into recovery, stuck in boot loop. This was months ago, just got another v20 and ready to try again. Previously I'd successfully done 3 v20's.

Nokia x6.1 bootloops to twrp.

So it had been a while since I had tried getting into recovery twrp but I figured I could remember how so I did
fastboot flash boot twrp etc.img
This was a mistake according to the site here > https://twrp.me/nokia/nokia6_1.html
WARNING: If you accidently flash TWRP to your device using fastboot instead of temporarily booting the image, you will need to download the latest factory image for your device and reflash the boot image.
Click to expand...
Click to collapse
Which is exactly what I did
So now my phone is either stuck on the Nokia logo, or I can load twrp.
They provide some info on fixing it but I'm not sure I understand what they are saying. Can anyone help with this?
The phone was running Oreo (not sure which version unfortunately) and it was fully rooted and running magisk/xposed/su just fine before my mistake.
I don't have access to fastboot. Only Twrp and adb commands.
Edit, I can get to fastboot/download mode through the twrp terminal.
[SOLVED]
So I was able to use twrp to copy all of my internal files onto an sd card.
Then I set about getting this tool here > https://github.com/RaghuVarma331/Nokia-Tool the firmware specific to my phone, and modifying the bat file found here > https://github.com/RaghuVarma331/Nokia-Tool/blob/master/batscripts/Nokia-Tool-DRG-B2N-PL2-CTL.bat (because windows for some reason gave me a 16 bit application warning when I tried to use the tool exe)
My phone flashed a bunch of time and I was able to load up an almost entirely stock android 10, still capable of using magisk, edxposed, etc.
And now all there is to do is to get everything back onto it and set up which is at this point, the best case scenario.

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