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[ASK] How to re lock zenfone 2 ZE551ML Boot loader ?

I Wonder how to re lock the boot loader after unlock it using the official tools provided by asus ?

Soft brick my mi note 3 device

my phone recently update miui 10 latest official global beta rom with android oreo 8.1.. and its already unlocked bootloader. then i'm going to install twrp with droid toolkit on fastboot mode then my phone suck and till now suck only showing mi logo.... then i trying to flash same rom i present used fastboot rom with mi flash tool but its Error Flash XBL Error..
so what can i do?:crying:

Use fastboot and flash the original xiaomi rom or the dev rom at xiaomi website

HeartEngineer said:
my phone recently update miui 10 latest official global beta rom with android oreo 8.1.. and its already unlocked bootloader. then i'm going to install twrp with droid toolkit on fastboot mode then my phone suck and till now suck only showing mi logo.... then i trying to flash same rom i present used fastboot rom with mi flash tool but its Error Flash XBL Error..
so what can i do?:crying:
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Doid you unlock bootloader? maybe you has fake custom rom, and to fke custom rom with locked bootlaoder you try to install TWRP?

FLASH STOCK ROM HAVING TWRP USING SP FLASH TOOL(OPPO F9 PRO)

I have an oppo f9 pro ,oppo phones after 2016 are not given fastboot binaries means impossible to access fastboot mode,so if i can't access fastboot mode i can't use it to unlock bootloader and hence i can't install cutom recoveries/roms,root phone .,etc. But i found a thread on XDA where someone was asking how to root OPPO f3 plus(qualcomm based,launched in 2017) and there were people telling that they have rooted it succesfully by flashing stock rom using MSM download tool but i think that rom was modified such that when that guy flashed it using msm tool he was able(AND BY ABLE I MEAN TWRP GOT INSTALLED AUTOMATICALLY) to install custom recovery (twrp recovery) just by flashing that stock rom and also the bootloader got unlocked in that process.
But my phone is baed on mediatek so i have to use sp flash tool ,but my question is that is it possible for me to do the same for my OPPO f9 pro,it has no fastboot mode which is the main problem as i can't unlock bootloader which i easily did in my mi phone using fastboot mode ,but since oppo phones don't have that mode ,it means bootloader can't be unlocked by this process ,but is it really possible to get the bootloader unlocked+twrp installed just by flashing stock rom of my device in it using sp flash tool , i don't know a lot but i think that guy just did something like modifying the stock rom in suck a way that flashing it installs the stock rom+twrp+unlocks bootloader
SO, IF ANYONE CAN HELP ME TO DO THAT I WOULD BE REALLY THANKFUL IM STRUGGLING FROMA LOT OF DAYS TO INSTALL CUSTOM RECOVERY AND HENCE DO WHATEVER I CAN WITH IT AND ALSO REGRETTING WHY I BOUGHT AN OPPO PHONE ,
THANK YOU SO MUCH PLZ HELP IF U CAN:

Can't Flash TWRP

Hi friends, I own one Asus Zenfone max pro m1 and I recently wanted it's bootloader to be unlocked and I tried the unofficial method but didn't worked. So I chose the official method. It wasn't a good experience because I was successful after several attempts. Don't know why... But after installing and unintalling and then reinstalling the unlock tool several times somehow I managed to unlock the bootloader. Now it's showing fastboot mode instead of csc fastboot so I believe it's bootloader is unlocked.
But as I tried to flash twrp using Bugjaeger app from another phone(since I think I'm having issues with usb 3.0 port on my lap) it's showing "Flashing not allowed in Lock state".
How can I be sure to know if my bootloader is unlocked or not? And whatif I flash rom directly(using adb/fastboot) without twrp with Corvos OS? Will O be stuck on a boot loop?

I finally came to solve my problem by trying to unlock the bootloader again and again by official method. And after 3 attempts it was succesfully unlocked (unlocked properly). I could flash twrp without any difficulties and Im on Abhix Rog version now..

help my xiaomi redmi 10 got into bootloop mode and i can't fix it

the device does not have the bootloader unlocked and I cannot unlock it since the device does not go past the company icon

This phone is powered by MediaTek SoC , hence re-flash its Stock ROM by means of MTK Flash Tool. Latest version:
MTK Flash Tool v5.1624
Download MTK Flash Tool v5.1624 for Windows which helps you to Flash or Install the Stock Firmware on your Mediatek Feature Phone.
mtktool.com