T-Mobile SDA - flash to default ROM problem

[Guest shaowniq]

Hi there,

i want to ask you for a help. I loaded to my SDA new Qtek 8020 ROM and made backup of my default T-Mobile (earlier Eurotel SK) ROM to my memory card.

Now I want to restore original ROM. I wrote data to my memory card with WinHex,

turn on the phone while holding down the Camera button, phone asked to press the Volume Down key to load image and when i pressed it, it said "Not Allow Update".

Any ideas please ? I know, that loading another ROM depends not on version of bootloader. My SPL is v2.

Help please

thank you