Solution courtesy to_deal_with on gsmhosting.com
- Phone off,
- Connect the cable to phone anc pc (dku5, jaf, serial)
- Open the program
- Power on the phone
- When you see Nokia on the screen, immediately press on Read phone!
Afterwards use BB5 Calc and then SP Unlock
This method has always been a success.
If I power on the phone first and let it start up completely, by inserting the cable phone says enhancement not supported and making log fails.
In this case, reconnect the cable and Press Write backup.
If writing backup succeeded, Just follow the method I wrote above. Tested on many N70.