Afghan Wireless Monthly Facebook Internet Bundle gives you 250 MB Internet for Facebook use only, for the fee of 40 AFN and available for 30 day use only.
How to Activate
Send FB50 to 151
How to Deactivate
Send DFB50 to 151
How to Check Balance
Send FB50# to 151
TERMS AND CONDITIONS
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