[Q] Can't enter fastboot mode in my Neo V... - Sony Ericsson Xperia Neo, Pro

Hi everyone!
I'm new here, cause its been shor time having the Neo V. I love it.
Yesterday I wanted to install a custom ROM, so I started the tutorial here: http://forum.xda-developers.com/showthread.php?t=1409269.
I had the 4.0.4.a.0.62 rom, so I downgraded to 4.0.4.a.0.42. After that I rooted the phone as mentioned in another website. There was no problem on this because I've had other rooted smartphones and I can tell I rooted this one correctly.
After that I did the TP bootloader unlocking, and I'm pretty sure I did it ok, since when I identify the smartphone using s1tool, both codes start with "r", not with "R", as stated in this image:
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
After that I installed CWM without problem (I can access it correctly).
Now, with all that done, I can't access the fastboot mode to flash a kernel and all this stuff. I'm doing it correctly: pressing the "menu" and plugging the USB cable. May it have something to do with PC drivers? (I don't think so, I would say that if the pc didnt have the drivers it wouldnt recognize the neo v in fastboot mode, but it would boot in this mode anyway... even though, I've installed the fastboot drivers onto my PC sooo....) I DON'T KNOW THE PROBLEM! Any help will be MUCH appreciated!!
Thanks a lot in advance!

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AW: [Q] Can't enter fastboot mode in my Neo V...
You need working fast boot drivers to connect your phone.
Some people who had that problem tried if on another PC and there it worked. If you can you should try.
send from neo v with cm10 nightly on fusion kernel

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motorazrv3 said:
You need working fast boot drivers to connect your phone.
Some people who had that problem tried if on another PC and there it worked. If you can you should try.
send from neo v with cm10 nightly on fusion kernel
Click to expand...
Click to collapse
Thanks for your answer. The problem is that the phone itself doesnt enter the fastboot mode (when I press menu key and plug the cable, the LED doesnt turn white/blue, just boots the phone normally). And I think I have installed the drivers correctly... I'll try another PC anyway, but from what I've read I've understood that if the LED doesnt turn blue/white, the PC drivers wont do anything.

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AW: [Q] Can't enter fastboot mode in my Neo V...
I never had any problem to enter fast boot with my phone, so no personal experience from my side.
Were you able to enter fast boot mode before you got that trouble?
send from neo v with cm10 nightly on fusion kernel

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makkea said:
Thanks for your answer. The problem is that the phone itself doesnt enter the fastboot mode (when I press menu key and plug the cable, the LED doesnt turn white/blue, just boots the phone normally). And I think I have installed the drivers correctly... I'll try another PC anyway, but from what I've read I've understood that if the LED doesnt turn blue/white, the PC drivers wont do anything.
Click to expand...
Click to collapse
you have to press and hold menu key while you connecting your cable.wait untill LED appear then release the key

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I think his phone is Carrier locked and it needs to be SIM unlocked first!
I think it requires paying to unlock fastboot
Sent from my MT11i using xda premium

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AW: [Q] Can't enter fastboot mode in my Neo V...
Yeah thats something I also thought. But he never mentioned that his phone is sim locked.
send from neo v with cm10 nightly on fusion kernel

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makkea said:
Thanks for your answer. The problem is that the phone itself doesnt enter the fastboot mode (when I press menu key and plug the cable, the LED doesnt turn white/blue, just boots the phone normally). And I think I have installed the drivers correctly... I'll try another PC anyway, but from what I've read I've understood that if the LED doesnt turn blue/white, the PC drivers wont do anything.
Click to expand...
Click to collapse
Do you know that the phone needs to be Off ?
It can't boot to system while holding menu and plugging usb in !

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I too am facing the same problem!
Im currently using CyanogenMod 10 with the same Kernel which was pre-installed on the Neo V when I bought it.
I wish to change the Kernel to Lupus as it is compatible with most of the ROMs. I tried flashing the kernel with Flashtools and Kernel Flasher but to no avail.
Kindly help!

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same problem over here!
as TS I unlocked bootloader using testpoint, s1 tool says bootloader unlocked.
drivers correctly installed
but I cannot enter fastboot, tried several times
the phone is carrier locked (sim lock)
when i enter service menu (*#*#7378423#*#*), under service info>configuration, the rooting status is missing.
is there any possible solution to unlock the phone or bypass the simlock without paying for it (wotanserver)?
cheers
Model: MT15i

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man i did in wotanserver
with 8 buck i unlock my xperia neo and simlock unlocked i very quick just one minute do it with wotanserver is safe and quick u have to download de xunlock tool for u pone instalit in pc u need a test point and youre done my pone is very Brand new now i do not have bootloop because i enter in recovery presing vol down buton cheers mate