Step 3: Click “Account Settings”

Step 4: Click on the “Payments” tab
Step 5: Go to “Credits Balance” and click “buy more.”
Step 6: The “Get Facebook Credits” window appears

Step 7: Tick “Mobile Phone” as your payment method

Step 8: Tick your preferred denomination

Step 9: Enter your Smart mobile number.

Step 10: Check your mobile phone for an SMS containing the PIN. It should say “Zong. Enter PIN XXXX on the web to continue. Zong will charge your mobile account PX00.00 for Facebook credits. For more info, visit www.zong.com” Step 11:Type in the PIN

Step 12: Check your mobile phone for the SMS confirming the transaction. It should say something like “Thank you. Zong has charged PX00.00 to your mobile account for Facebook credits. For help, email support.ph@zong.com. Txn code: ZRWPC2. Step 13: A transaction confirmation will likewise be displayed on Facebook

It’s that simple! You can also do it through the Facebook games dashboard. To do that, follow these steps:
Step 1: Look for the Facebook credits icon on the dashboard
Step 2: Click “Get More”

From there, just move forward to Step 6 from the previous method. It’s that easy!
Happy gaming!