zte : Z221 unlock code at&t

[sherifellord]

Please unlock code ZTE at&t
Model: Z221
IMEI: 863806015267046
S/N:325822303443

[nnm]

Please unlock code ZTE at&t
Model: Z221
IMEI: 863906015267046
S/N:325822303443

imei not valid

[sherifellord]

sorry IMEI: 863806015267046

[sherifellord]

Excuse extent possible, help me code

[nnm]

Your unlock code is: 6290977323670285

Using a Non-AT&T SIM Card

1. Insert a non-AT&T SIM card.

2. Power on the device.

3. The device displays "Phone locked. Please insert a valid SIM card."

4. Select Unlock (left soft key).

5. The device displays "Please enter network unlock code (16 digits). Remaining: X."

6. Enter the 16-digit unlock code.

7. Select OK (left soft key).

8. Select OK to reset the device.