Afghan Wireless Daily Night Surfer Internet Bundle gives you 500 MB Internet for the off-peak hours use only (night), for the fee of 25 AFN and available for 7 days use only.
How to Activate
Send N500MB to 151
How to Deactivate
Send DN500MB to 151
How to Check Balance
Send N500MB# to 151
TERMS AND CONDITIONS
Night Surfer bundle is valid from 12:00 AM to 7:00 AM only
Any additional usage beyond the data included in the bundle is charged at 8 Afs per MB.
Source Link: Afghan Wireless Official Website
For Afghan Wireless Internet Settings please visit the Afghan Wireless Internet or APN setting for iPhone and Andriod page