[Q] Can't get anything other than cm9 to boot - Xperia Arc Q&A, Help & Troubleshooting

Hi everyone...
I recently installed the latest cm9 on my ARC.
I want to install cm7.2 again, but I can't get it to work.
This is what I do:
1) fastboot the image file (fastboot.exe boot boot.img)
2) Install the zip
3) Clear data/cache
But it just hangs at the CM 7.2 logo.
If I install CM9 again, everything work fine.
Any ideas?

fastboot flash boot boot.img
from the ARC

rashid.fairus said:
fastboot flash boot boot.img
from the ARC
Click to expand...
Click to collapse
Exactly!
With fastboot boot command, you simply make the kernel boot once.
Fastboot flash boot will do it for you!
iR¡[email protected]!*™ via Tapatalk Pro

Thanks guys... I suspected it had something to do with the flashboot command. I'll try it out ASAP.
EDIT: It's working now, thank you

Related

Unlocked bootloader, bricked due to flashing

Hi.
I've unlocked my bootloader last night successfully, and went on to flash a custom boot.img.
First I did "fastboot.exe flash boot boot.img", it went through no problems. However after that, my phone boots up to Sony Ericsson logo, it goes away and screen remains black.
I've tried to flash generic global ROM ( "fastboot flash system boot.img" ) to see if I can at least restore my phone to default ROM, it still acts the same..
Anyone mind helping ?
fastboot flash boot boot.img - flash kernel
fastboot boot boot.img -hotboot kernel
what file you flash for rom?.ftf or img?if .ftf you need flashtool,but for .img just use fastboot
Sent from my LT18i using xda premium
I've used "fastboot flash boot boot.img" as my first step.
The file was .img, obviously.
Flash it back to stock with FlashTool and try it again.
Sent from my iPad 2 using Tapatalk
Heh, I haven't realised that .ftf files flash the entire thing INCLUDING kernel to the phone. Oh well, we learn every day
Thanks guys !

One X stuck on CM10 boot screen

Hello. I've just flashed CM10 via TWRP done all the wipes etc, flashed GAPPS straight after the rom and rebooted. I'm now stuck on the bootscreen and I cant seem to turn the phone of it keeps rebooting, if only I could get into recovery!
Can anyone help?
Dabbsy said:
Hello. I've just flashed CM10 via TWRP done all the wipes etc, flashed GAPPS straight after the rom and rebooted. I'm now stuck on the bootscreen and I cant seem to turn the phone of it keeps rebooting, if only I could get into recovery!
Can anyone help?
Click to expand...
Click to collapse
could you access fastboot mode?
Dabbsy said:
Hello. I've just flashed CM10 via TWRP done all the wipes etc, flashed GAPPS straight after the rom and rebooted. I'm now stuck on the bootscreen and I cant seem to turn the phone of it keeps rebooting, if only I could get into recovery!
Can anyone help?
Click to expand...
Click to collapse
Hi,
As Matt95 say with fastboot, you seens to have forget to flash the associated boot.img file.
Reboot your phone in fastboot mode and type:
fastboot flash boot XXX.img (XXX.img is the name of your file)
fastboot erase cache
That should boot.
Sent from my HTC One X using xda premium
Did you flash boot.img ?

[Q] R800i won't boot after kernel flash

I've tried to install cm9 onto my play so i did the root part,the bootloader unlock and installed cwm then i flashed doomlord kernel v14 per flashtool and typed in the fastboot commands fastboot -i 0xfce flash boot boot.img and fastboot -i 0xfce reboot and now the phone starts but the screen stays black and i wasn't able to shut it down.I can't start the recovery menu but flash and fastboot mode work and also the flashtool recognizes the play's standard usb connection,Then i tried some different kernels but none brings me further than the sony boot animation till the screen goes away.If it helps i followed a instruction team android for cm9 on xperia play(sorry can't post the link).
Could some one help me with this problem?
Thanks in advance
1243 said:
I've tried to install cm9 onto my play so i did the root part,the bootloader unlock and installed cwm then i flashed doomlord kernel v14 per flashtool and typed in the fastboot commands fastboot -i 0xfce flash boot boot.img and fastboot -i 0xfce reboot and now the phone starts but the screen stays black and i wasn't able to shut it down.I can't start the recovery menu but flash and fastboot mode work and also the flashtool recognizes the play's standard usb connection,Then i tried some different kernels but none brings me further than the sony boot animation till the screen goes away.If it helps i followed a instruction team android for cm9 on xperia play(sorry can't post the link).
Could some one help me with this problem?
Thanks in advance
Click to expand...
Click to collapse
Doomkernel doesnt work on cm9 and Doomkernel only works on stock gb. You need a cm9 kernel. Sorry bud you flashed the wrong kernel. =/

[Q] flash boot.img before every boot up

i have a problem with my boot up,
my phones has an bootloop, but i can start it up by booting up in bootloader and flash boot.img manually then it boots up 1 time, if i shut it down and restart it, it has a bootloop again so before every boot up i have to reflash the boot.img can anyone help me?
Are u sure that u typed :
Fastboot flash boot boot.img
MarcelHofs said:
Are u sure that u typed :
Fastboot flash boot boot.img
Click to expand...
Click to collapse
thx, that was the problem i only used the command: fastboot boot boot.img
I was already assuming that

Cyanogenmod keeps hanging on boot screen.

I've flashed cm11 with cmw and gapps, but cyanogenmod won't boot and it just loops the cyanogenmod logo over and over.
Any ideas?
lynxloco said:
I've flashed cm11 with cmw and gapps, but cyanogenmod won't boot and it just loops the cyanogenmod logo over and over.
Any ideas?
Click to expand...
Click to collapse
boot into fastboot and do the command "fastboot erase cache" then flash the boot.img from the rom again, if you haven't already, or even if you have flashed the boot.img it wouldn't harm to do it again
nogotaclue said:
boot into fastboot and do the command "fastboot erase cache" then flash the boot.img from the rom again, if you haven't already, or even if you have flashed the boot.img it wouldn't harm to do it again
Click to expand...
Click to collapse
I suck.. I forgot to flash the boot.img.. Anyway thanks a lot!

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