Develop Bugs

[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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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

Lenovo Lemon 3 (K32C36) cant boot in recovery mode.

Need help please, before 2 days i try to install this rom PAC-ROM but when i go step by step as the description, now i got a big problem i think... my phone cant boot at recovery mode.
steps i followed:
1 ) i flashed a Rooted ROM based on official ROM from baidu site
2) i installed TWRP as shown there --> http://forum.xda-developers.com/showpost.php?p=67546530&postcount=140
3) i go step by step as shown there ---> http://forum.xda-developers.com/android/development/rom-pac-rom-6-mm-lenovo-vibe-k5-t3408483
4) i did backup only system files
5) i format/wipe everything
then when i try to install the new ROM from SD it says me that fail to mount /data
i try to format again to wipe again and again but the same, cant install and cant mount nothing
so i try to restore the system backup i did before then my phone boot normally in previous rooted ROM but now i cant open recovery mode on my phone and cant flash nothing, because adb cant boot in bootloader mode...
Please and help how to recover my phone, because now is in Chinese ROM and nothing work properly (no google services, no playstore, no keyboards, etc)
Thank You
After this i try to restore the system that i did back up before and my phone boot with the last ROM i got before (K32c36 S034) and rooted but when i try to boot in recovery mode its impossible.....
i have tried everything with hard reset with adb with qpts but nothing...
when i press "recovery" just a black screen appears and i have to long press power button
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any help plz??

Question TWRP

I just installed twrp,
Wiped data, internal, meta data
now I can't transfer the ROM file to my internal
Help

Have you formatted (not wiped) the data?

Reflash stock ROM using MiFlash tool and reinstall TWRP. Do not wipe anything....just flash the ROM u want, Format data (yes), reboot to TWRP, reboot to system.

wiped hahaha

care to share the link of the working flashtool
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"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
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and drivers? the one I have is giving me errors on paths

I use one from here: https://xiaomiflashtool.com/

Alin45 said:
Reflash stock ROM using MiFlash tool and reinstall TWRP. Do not wipe anything....just flash the ROM u want, Format data (yes), reboot to TWRP, reboot to system.
Click to expand...
Click to collapse
The right steps are:
1 fastboot boot twrp.img
2 Flash rom with inject twrp checked
3 Reboot to recovery
4 Flash Magisk ( if required) else
5 Format data by typing yes
6 Reboot to system

U mean detailed steps, not the right one because my way is right too but not so....detailed lol

Don't ever format data until you're done flashing whatever ROM you're flashing or you'll have issues. If you do you'll have to reboot to system again then reboot back into TWRP, then you should be good again. Use a USB C Flash Drive to put all of your important stuff on including the ROM you're flashing as it's much easier.

Mi 9 SE - locked bootloader after flashing the wrong ROM

Hello.
I have a problem with the purchased used Xiaomi Mi 9 SE.
I bought the phone and it had an unlocked Bootloader, it was not possible to pay with it using NFC.
The phone was probably ROM 12.0.XXX I think Global.
I downloaded the Fastboot 12.5.1 EU ROM and flashed it using MiFlash.
When uploading, I checked the option - clean all and lock
The upload went smoothly and was successful.
Unfortunately, after rebooting the phone enters recovery mode and it is looped like this, it displays the message:
This MIUI version can't be installed on this device :-(
I can enter fastboot and try to flash another Rom but then I get an error that the phone is locked.
Please, help me with this issue, I don't know what to do, is it possible to fix it? ? ?
I know there are people here with really great knowledge, please help. :-(

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I tried to flash the ROM Global 12.0.1 again but I get the error as above
I have Miflash pro 7.3.706

Try to enter fastboot mode and flash the ROM using the flash_all script that's insideof the compressed rom by way of windows cmd or linux terminal.
Just extract the rom file until you see the folder structure there with all images and then look for a how to flash roms using fastboot. It way easier than that miui flash thing

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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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