Did you unplug the PC connector and reconnect as it said to do mate... I had similar till I did that, then it carried on ok.

 

can you boot into download mode using a usb jig or the 3 button combo??

If yes then all is not lost, you can still salvage your phone.

 

Switch off the phone then press volume down + Home button + power button. Keep all 3 pressed while the phone boots. It should boot into download mode. Check and tell if it works.

See if this video helps How to Boot Samsung Galaxy S2 in Download Mode.mp4 - YouTube

 

I'm having the same issue. If I go the ODIN way do I have to basically choose a custom ROM? Or is it still possible just to reset the phone somehow so it still shows that no flashes have been made on it...? Because I rly don't want to flash this phone, I just want the factory ICS.

 

No, you don't have to flash a custom Rom. Go download the official version. If you flash official Samsung frimware with Odin, it won't show that you have flash it at all.

The binary counter only records the number of times that unofficial firmware is flashed. Yes, the binary counter can be reset if you purchase a usb jig. But you have to flash the old bootloader to your phone via Odin. Make sure you get the right one though, I've been told that flashing the wrong bootloader can brick your phone in a hurry!

 

Im surprised with all the skill in here that no one answered his problem correctly..

if comming from an old ROM to a very new ROM what happens is the old data gets in the way of the boot loader after final install..(This is 100% normal) what you need to do after completing the FW upgrade & if you get stuck at the loading screen is this..

Take out the battery,
pop battery back in & boot into recovery again
delete cache
factory reset

reboot phone...

On reboot, skip all the startup crap & goto settings then backup & reset & do a full reset including erase all data on internal Sd card..

Reboot phone & your done..

The reason this happens is because of the differences between the old OS & the new.. Your actually suppose to do a factory reset before doing a major update.. This would solve the problem you got with your phone

& sorry for rehashing an old thread but seeing as I ended up here a while back maybe someone else will & find this helpful..

 

*rollseyes*

Yes, obvious answer. Except that it does not work. (I am pretty sure that is what most of us tried as their 1st or 2nd approach.)
It wouldn't even let me boot into recovery mode.

 

apart from taking it back to a service centre, the only real solution is to root and flash firmware via Odin