How to flash a ROM when you cannot access dev settings/cannot boot android? - General Questions and Answers

Hello,
If Android will not boot, how does one flash a ROM without being able to access dev options in Android Settings - unlock bootloader, enable USB debugging?
Thanks.

Related

How to install cwm with no USB debugging enabled?

I don't have access to in phone settings
I don't have root
I don't have boot loader unlocked
I can sideload with Adb !
Please can some one help me get my handeset back working
*

Help

I recently deleted my stock rom and twrp off of my rooted asus 4max. I cant get adb to detect my device cause I'm stuck on the bootloader and fastboot options and cant access developer options to revoke usb debugging authorizations please if anyone can help.
boot into bootloader, flash recovery, ex. fastboot flash recovery recovery.img, after that boot into recovery and flash update package for your phone.

flashing rom

do I need to unlock the bootloader to upload a newer version of android via odin?
No need to unlock bootloader, to install an updated rom via odin you just need to turn on USB debugging option in developer options on your device, install correct drivers on PC. Can't update via OTA?

Help unlocking Bootloader for flashing stock Rom

So I had actually posted about this phone already but I wanted to get a seoerate discussion on unlocking
I am currently trying to flash a stock Rom to an Asus ZenFone 5Q ZC600KL X017DA with a Qualcomm chipset
The issue with the phone is that it's stuck on the logo when turning on it will say powered by Android then goto Asus then stops there
Factory reset is out of the question as the hardware keys only bring me to CSC fastboot mode
Now here is my problem the bootloader is locked and when running device info command in fastboot on laptop it will say something along the lines device unlock false same for unlock critical false
To unlock the boot loader everywhere is telling me I need to enable the slider for OEM unlock in developer and also enable USB debugging and Asus has an unlock tool but it's an apk file
Now as phone is stuck on logo when turning on I obviously cannot enable the OEM unlock it even enable USB debugging
So my goal right now before I proceed with flashing stock Rom is to get the bootloader unlocked
Is there any way to do this any software I can download with instructions or any options to unlock the bootloader via EDL mode
Is there an option to wipe out the bootloader and reinstall it from a firmware
Or is there something like TWRP that I can flash over to the phone under EDL that will give me options to unlock
Thanka

how to flash a bricked vivo v3

please provide a step by step tutorial to flash stock or any rom on vivo v3 phone.
please help me
pls guys HELP
You flash phone's Stock ROM by means of ADB Sideload method what of course requires you have USB-Debugging enabled in phone's Android -> Settings -> Developer options before and phone re-booted afterwards.
To flash a suitable Custom ROM it's required by means of Fastboot to boot into a suitable Custom Recovery what of course requires you have successfully unlocked phone's bootloader before - that requires you have applied OEM Unlock in phone's Android -> Settings -> Developer options - , and afterwards flash the suitable Custom ROM from within the Custom Recovery's menu.
i have briceked my phone how to i repair that, please tell me
bruh go recovery > usb update > adb sideload(Pc need) done

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