[Q] Can't flash from .64 to .70 via flashtool. Why?

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Good day to all,
i've installed a new ROM (IceLite ICS) on my Xperia Arc.
The ROM is pre-rooted, and via flashtool it seems I have root permission.
The phone has the bootloader unlocked, CWM 5 and the baseband is the stock .64.
But apps which need root (like SetCPU) don't work, and SuperUser never ask for permission. I thought about a baseband compatibility problem with the new ROM, so I've tried to flash .70 baseband, but Flashtool always stuck at "Unplug phone, set off, push and hold menu, plug usb" window.

Any idea of what's wrong with this?

Thanks

Don't know about that Rom but baseband is not connected to superuser.
Also bb64 works fine with ICS.

Use flashtool 0.7.x not earlier for flashing anything ICS related.

Good luck.

Sent from my LT18i using XDA

[Solved] My bad, I've found that the problem were a bad usb cable. Replaced, and voilà! All ok.
Thanks for the reply ;)

Sent from my LT15i using XDA