HOW TO UNLOCK M4 TEL STYLE SS4045
1. Download MTKReader and update teh dongle with PACK6
2. Select as model M4 Style SS4045
3. Press the READ CODE(s) button
4. Once the operation finished and the codes are shown type *#45362718090#* and phone's menu will pop-up with unlock code request.
5. Enter code_cat_n as the code and the phone will be unlocked