Installing TWRP Problem - G4 Q&A, Help & Troubleshooting

I have uncloked bootloader and I Flashed TWRP Recovery via ADB and when I send comand "adb reboot recovery" I have the Android guy (SS) I drop SS with Adb comand prompt too
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Domolâ„¢ said:
I have uncloked bootloader and I Flashed TWRP Recovery via ADB and when I send comand "adb reboot recovery" I have the Android guy[/IMG]
Click to expand...
Click to collapse
Hey I had this exact same problem just a few moments ago. I didn't necessarily fix it but I found a different way of installing TWRP:
Basically what I did was temporarily boot into the recovery image I had (instead of properly flashing it) and then flashed a zip version of the recovery which works permanently.
To do that, go into the bootloader as normal (adb reboot bootloader) and then use [fastboot boot {filename}.img] (so replace filename with whatever file you have) to boot into the recovery temporarily, then flash the recovery zip.
Here's the link to the zip I used: https://www.androidfilehost.com/?fid=24407100847292484
UPDATE: OK turns out after a few reboots the recovery went back to not working, but I did try another method which definitely works. Temporarily boot into the recovery image as above, but this type install a Supersu zip. This will root the phone. Then boot into the phone as normal, install Flashify from the Play Store and use that to install the recovery image (which you should move onto the phone).
Here are some links:
Supersu zip I used: http://download.chainfire.eu/supersu-stable
Flashify: https://play.google.com/store/apps/details?id=com.cgollner.flashify&hl=en_GB

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[Q] m8_dugl (M8 Dual SIM) boots only in bootloader

Hello everyone,
I really could need some help. I'm new to this forum and new to "rooting" an android device. I did a lot of reading before I made my first try, but how it seems not enough :crying:.
I followed the instructions in this thread. Everything worked as described just fine and I didn't get any errors. I did the following:
1) Unlock the bootloader
2) Flash custom recovery from fastboot - fastboot flash recovery openrecovery-twrp-2.8.3.0-m8.img
3) Flash boot.img from fastboot - fastboot flash boot boot.img
4) Fastboot erase cache - fastboot erase cache
5) Boot into custom recovery and flash root and busybox
6) reboot into bootloader
7) flash stock recovery - fastboot flash recovery stock_recovery.img
8) reboot device
The last step doesn't work. I'm stuck in the bootloader. Every time I try to reboot the device, the bootloader starts. When I choose "HBOOT" I get the following messages:
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"lightbox_error": "The requested content cannot be loaded. Please try again later.",
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"lightbox_download": "Download",
"lightbox_share": "Share",
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"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Now I think, I did not realize that dual sim version of the m8 is different from the single sim version. Am I right here? Or did I just miss something? Is there any way to fix this and get my device working again? Do I need a boot.img for the m8_dugl? Can perhaps anyone provide it? Every help is really appreciated! I'm totally stuck here
Many thanks in advance
Guss
Problem solved with boot.img from this Post. Thanks to Captain_Throwback.

Trying to install TWRP.. Manager says it's installed but it won't boot properly..

Whenever I try to boot into recovery I get this message instead:
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"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
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I did this in the following order:
Unlocked my Bootloader
Downloaded TWRP-2.8.7.0-H815.img
Copied it onto my phone
Did a "adb reboot bootloader" command
Did a "adb boot TWP-2.8.7.0-H815.img" command and let the phone work from there
Hit Install on the Screen
Switched it to Images and picked the SD Card
Selected the .IMG and hit install to Recovery
Install successful, rebooted into recovery
Got the screen above.
I'm lost. What can I do?
CainKilgore said:
Whenever I try to boot into recovery I get this message instead:
I did this in the following order:
Unlocked my Bootloader
Downloaded TWRP-2.8.7.0-H815.img
Copied it onto my phone
Did a "adb reboot bootloader" command
Did a "adb boot TWP-2.8.7.0-H815.img" command and let the phone work from there
Hit Install on the Screen
Switched it to Images and picked the SD Card
Selected the .IMG and hit install to Recovery
Install successful, rebooted into recovery
Got the screen above.
I'm lost. What can I do?
Click to expand...
Click to collapse
What do you want to achieve? Cause you are booting into fastboot mode and not recovery.
Did you root before flashing twrp? And to boot to recovery, turn off phone
Then, hold vol Down and power until lg logo appears. Then release power button for 1 second. Then hit power again while still holding vol down.
After this select yes, then yes again. You'll be in recovery.

[help] cannot boot into TWRP or ROM after flashing autorec TWRP

I have two G3 D855 phones and what i did was exactly the same as my primary one, and it's not working
For the secondary phone
1) everything was perfect after I changed 32GB chips (ROM, my friend flashed something wrong and hard bricked the device) from repair shop, but I just lost the IMEI, so it's showing 0 currently (i know i can repair but don't bother yet)
2) phone is normal in 6.0MM nor I use LGUP to downgrade to 5.0 LP
3) used "newest root method v03" from there to root the phone
http://forum.xda-developers.com/lg-g3/general/guide-root-method-lg-devices-t3129197
4) go to playstore, download AutoRec D855 to install TWRP
5) problem starts here
once i reboot to TWRP using reboot widget, or adb command, i can go into TWRP, but phone stuck in LG logo after another reboot
To boot up the OS again, I have to take out the battery for 10+ min, then insert it again and it will boot up, and i can also go into TWRP from the OS
or if i turn off device, I cannot boot up, not until i take out the battery for 10+ min
I have flashed the phone using KDZ twice and same problem, after install TWRP from AutoRec, I have this bootup problem.
Any help please?
missing download mode
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"lightbox_toggle_sidebar": "Toggle sidebar"
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when i try to put it into download mode (holding vol up and plug in USB) or using "ADB reboot download" command
that's what i see, i think i messed up my download mode?
when I follow this guide, it said "failed to erase" in first step
http://mybaseisrace.blogspot.hk/2016/02/how-to-fix-lg-g3-download-mode-not.html

Custom ROM for Huawei y6 (2018)

I unlocked the bootloader of my Huawei y6 (atu-l21) 2 days ago. Now the problem is that I can't get working custom roms for twrp.
I had downloaded many .ZIP files but the zip file always contained only one image. When I wanted to download the ZIP file via twrp bottles, I always got a red message "invalid zip file format!
Does anyone have working custom ROMs for the Huawei y6 (atu-l21)
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By you meaning by one file contains img file, you are trying to flash compressed gsi/treble image.
The installation procedure is different for treble devices. Instead do:
First you must uncompress it & do "adb reboot bootloader" & "fastboot flash system [UNCOMPRESSED_IMG_FILE]", wipe data by "fastboot -w", final reboot ur device "fastboot reboot"
do you think I should e.g. extract the customrom.zip to customrom.img and then the image with the commands Flash
Yes, Only if zip archive contains one *.img file like aonly, ab... etc
can I also flash the .IMG file via twrp. because when i try dan i don't know which partition to select.
System-Image
I just tried it and the message "Image is too large for the device" appears
You may read THIS POST about your device custom rom.
And if ab image doesn't work for you try aonly
Jannikoks06 said:
I just tried it and the message "Image is too large for the device" appears
Click to expand...
Click to collapse
Try with fastboot method
I'll do it later I'll report if it worked
Danielisko said:
Try with fastboot method
Click to expand...
Click to collapse
I did it but the phone doesn't boot, only the screen appears where it says that the bootloader on the phone has been unlocked

Root Realme 9 4G (RMX3521) Without Custom Recovery

Hello,
As we all know there is no Custom Recovery available yet for our device. I decided to root the device with patched_boot.img.
I am able to root my Realme 9 4G successfully. I am sharing the procedure if someone like me, who cannot use a android mobile without root can follow the steps to root his Realme 9.
Before starting Make sure you are on RMX3521_11_A.31.
As the attached boot.img files are only for RMX3521_11_A.31.
To check your OS version Go to Settings > About device > Version and Match your Build Version. It should be RMX3521_11_A.31
First of all you have to unlock the bootloader.
Follow this Guide to unlock your bootloader.
Once your Bootloader is Unlocked. Follow the steps below
1. Download the magisk_Patched_boot.img from attachment and move it your PC.
2. Reboot your device into bootloader.
3. Open cmd in adb & fastboot directory and type the command
Code:
fastboot flash boot <drag magisk_patched_boot.img here>
And press enter.
4. Now restart your device by entering the command
Code:
fastboot reboot
5. Download the Magisk Manager and install it.
Your Device is Rooted Now. Make sure to disable the auto software update to avoid getting bootloop.
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"lightbox_share": "Share",
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Btw there is an unofficial custom recovery for this device. It works and is tested. Here's the github link; https://github.com/cd-Crypton/custom_recovery_tree_realme_messi

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