
Please help. Unlocking SEMC A2 phones (ALL) I get this error message. Worked yesterday, but today.....
Looking for the NEROkey...OK
Using reader: USB CCID SMART CARD READER 0
Checking for card status...OK
Serial:132F00949684 Free:0 A1:94 A2:92 Other:0 Blocked:NO
Quering key slots...OK
1. KIDP96_EMP_DUMP_R1A - Free, Used:8
2. KIDP96315035 - A2, Used:2
3. KIDP96320035 - A2, Used:0
4. KIDP96321035 - A2, Used:6
5. KIDP96335035 - A2, Used:0
6. KIDP96200133 - A1, Used:0
7. KIDP96201233 - A1, Used:0
8. KIDP96202033 - A1, Used:6
9. KIDP96SUZIR2 - A1, Used:0
Power OFF the phone, connect USB cable holding '2-5'
Connected to USB1
Device identification...OK
Chip

B3210 Model:A2 IMEI:35204503712539 CID:52 Domain:RED
OTP LOCKED:1 CID:52 PAF:1
Uploading logic DB3210:
Sending Preloader...OK
Sending CSLoader...OK
Authenticating with key KIDP96_EMP_DUMP_R1A...
Error reading device key: Unable to send auth step one request, got: 640C
STOPPED [14sec]

Can anyone help?