Afghan Wireless Weekly Night Surfer Internet Bundle gives you 1.5 GB Internet for the off-peak hours only (night), for the fee of 75 AFN and available for 7 days use only.
How to Activate
Send N1GB to 151
How to Deactivate
Send DN1GB to 151
How to Check Balance
Send N1GB# 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