These are opera mini 4.2 multiop codes for Mtn. wap.mtnonline.com.server4.operamini.com:80, or use
promise247.blogspot.muf.mobile.wap.mtnonline.com.server4.operamini.com:80.
For a comprehensive list of codes for zain, etisalat and glo visit
http://promise247.blogspot.com.