Ga628 Tampered

[BUDWEISER]

I have an Ericsson GA628 which i was trying to unlock ages ago and it now say's "TAMPERED" on the screen.
I know it's an old phone but any help would be appreciated.

Thanks in advance :)

[JacekPoland]

You have to write to this ericsson full flash

[BUDWEISER]

I only have a data-cable,any further help would be appreciated.