Why do I need a custom recovery image? - OnePlus 5T Questions & Answers

Why do I need to install a custom recovery image before I can install a custom rom?
It's not possible to install a custom rom using "adb sideload"?

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[Q] Problem with custom roms

so i have the desire hd and i love the phone a lot but not the os too much. so heres the deal i tryed installing cyanogenmod.I unlocked the bootloader left the s-on and installed custom recovery via fastboot without a problem. next thing is I installed 3 recoverys non touch everyone different but when i install zip file with the rom it gets stuck every time on boot screen. the thing is i tried cyanogen 7.2.0 9 and 10.1 non of them worked and got stuck right on after it at the htc green logo,. whats the problem i pulled out the battery tried with only usb nothing worked. then i got scared that it isnt bricked dowloaded the original stock rooted rom as it was and installed through the same recovery .then it worked without a problem not even a glitch . i dont get it .im confused. apologies to the admin if it isnt in the right section.
my android version is 2.3.5 withe sense 3.0 and thats it . cant figure whats the problem . i flashed ducent of phones from symbian to iphone and even java based phones and even few htc ., but never had that boot loop problem., anyone please help
Fastboot flash the ROM zip's boot.img.
bananagranola said:
Fastboot flash the ROM zip's boot.img.
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so i need to flash boot.img from the rom and flash it with fast boot then install software with custom recovery . i use boot image from stock rom or cyanogen ?
alenkosb said:
so i need to flash boot.img from the rom and flash it with fast boot then install software with custom recovery . i use boot image from stock rom or cyanogen ?
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No, flash ROM from custom recovery first, then the boot.img from fastboot. Use a custom, not stock, recovery (CWM, 4ext, or TWRP).
bananagranola said:
No, flash ROM from custom recovery first, then the boot.img from fastboot. Use a custom, not stock, recovery (CWM, 4ext, or TWRP).
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i used 3 diferent custom recoverys for desire hd. ill try the method.btw you cant install cyan with stock recovery .boot img from stock rom ?
no, the boot.img inside the zip of the Rom you´re going to flash at this moment
alenkosb said:
i used 3 diferent custom recoverys for desire hd. ill try the method.btw you cant install cyan with stock recovery .boot img from stock rom ?
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I have no idea what you're trying to say. What recoveries have you tried to flash? How have you tried to flash them? How are you trying to flash the ROM? What is "cyan," ClockworkMod (CWM) or CyanogenMod (CM)? What is a "stock recovery .boot img"? You can't flash anything from the stock recovery. You can't flash the stock ROM's boot.img with a custom ROM. Recoveries do not have boot.imgs that you need to worry about. I am saying that you need to have a custom recovery, like CWM, 4ext, or TWRP, installed. You do that through "fastboot flash recovery recovery.img." You then need to download a ROM zip, boot into recovery with power and volume-down, factory reset, and install the ROM. You then need to extract the boot.img from the ROM zip you just flashed and flash it from the computer with "fastboot flash boot boot.img."
bananagranola said:
I have no idea what you're trying to say. What recoveries have you tried to flash? How have you tried to flash them? How are you trying to flash the ROM? What is "cyan," ClockworkMod (CWM) or CyanogenMod (CM)? What is a "stock recovery .boot img"? You can't flash anything from the stock recovery. You can't flash the stock ROM's boot.img with a custom ROM. Recoveries do not have boot.imgs that you need to worry about. I am saying that you need to have a custom recovery, like CWM, 4ext, or TWRP, installed. You do that through "fastboot flash recovery recovery.img." You then need to download a ROM zip, boot into recovery with power and volume-down, factory reset, and install the ROM. You then need to extract the boot.img from the ROM zip you just flashed and flash it from the computer with "fastboot flash boot boot.img."
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Sorry for the misunderstanding. heres the deal ive had 3 clockworkmode recoverys and different versions tried 3 zips(roms) with each one and every time de same thing.BUT now thanks to your help i flashed the boot.img file and it works perfectly

Ingo 5 INP010Z Custom CWM v5.5.0.4 & Root

Hi folks,
I created Custom CWM v5.5.0.4 for Ingo 5 INP010Z device.
You need to flash it with SP Flash Tools
On Windows you will need the Universal ADB Driver.
You may find tutorial to install the drivers, the Custom CWM and then Rooting Ingo 5 INP010Z device in the next link:
http://www.new-itechnologies.com/ingo-5-inp010z-cwm
To create the Custom CWM, I extracted all partition images, so if you need the stock images please let me know.
Stock bootimg
Stock recovery
Stock system
etc ...
This is also useful for ROM Cookers!!!!
Enjoy.

Flash rom without recovery or boot.

I need to flash a ROM without recovery. Preferable method being with my computer.
were you going to stock or custom rom

Flashify

Hi everyone,
What do you think of flashify to flash a custom recovery or a custom rom / stock ?
http://forum.xda-developers.com/showthread.php?t=2349847
regards
Used flashify to backup stock recovery then flash custom recovery.
Need to have super su installed.
1. backup recovery if something goes wrong just in case.
2. Flash custom recovery. TWRP works fine for me.

stock recovery zip?

Now I have twrp recovery with custom rom but I want to flash stock recovery.Anyone have this?
nikkky said:
Now I have twrp recovery with custom rom but I want to flash stock recovery.Anyone have this?
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This device hasn´t recovery partition, stock recovery interface is a part of the stock boot, when you flashed a custom rom it was overwritten but if you already flashed the TWRP installer what you can do now is to flash stock boot or a backup of the boot that you´re using but you´ll lose Magisk or a custom kernel if you have it.
The better is then to set up all included Magisk not to flash TWRP installer.

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