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what command prompt do i use to flash a boot image??? because every time i try to flash one... the rom won't boot and at the "quietly brilliant" screen the "this is for developement purposes" prompt pops up... so what am i doing wrong????
From cmd prompt in windows type "fastboot flash boot boot.img . But you have to be in hboot on phone and ofcoarse plunged in.
Also, the boot.img has to be in the same folder as your "fastboot (sdk)
O OK... do I have to click FASTBOOT???
Yes, when you enter hboot select fastboot then connect phone to pc(if you aren't already) then go to where your fastboot and boot.IMG is using command prompt,then type fastboot flash boot boot.img. that should do it
When you type fastboot flash boot boot.img and hit enter do you see "writing boot...(or something like that) under where you typed the above command?
I assume your giving it enough time to fully boot. As far as the redletter screen that happens to me too, however, my phone does boot into the rom. If the rom won't boot I would start over from the beginning. Flash rom,gapps,
Oh, are you using the boot img that jmz posted. I don't think your suppose to use the one in the rom.
edit What rom are you trying to flash?
Miui.. but no I used the one from the cm9 thread that is posted separate
I'm going to try again n give it sometime to boot... how long does it take you to boot after the flash???

Mine took about 3 to 5 minutes. If that doesn't work I would try to post this problem in the miui thread ,maybe it will get jmz's attention. I'm at the end of my knowledge. Sorry I could not have been more help.![]()
fastboot flash boot boot.img
Jacob, I've merged your post into a thread on the same topic with the same title.
The only legitimate way to flash the boot image manually is:
1. Start the phone in bootloader
2. Connect the USB cable and select FASTBOOT on the phone (changes to FASTBOOT USB)
3. Open a command prompt and navigate to the folder where you installed ADB and downloaded the boot.img.
4. Open a command prompt in Windows (Start > Run > CMD) and type the command:If that doesn't work, either you have a problem with ADB/fasboot or it's the wrong boot.img.Code:fastboot flash boot boot.img
Try using the Jellyboot5 Boot.img. I couldn't get out of my bootloop until I used that image. I've used that same img for multiple roms too.