You can charge (purchase) points as follows.
Point Charging (Purchase)
- in SkyPhone > "Point-Paid Calls (for Users)" > "Charge Points" and and select the amount of points you would like to charge.
Note: The minimum points you can purchase is 120 points.
Note: You cannot move the points to other OS.
You can see the charging history as follows.
Point Charging (Purchase) History
- in SkyPhone > "Point-Paid Calls (for Users)" > Tap "Point Charging History."
Note: You can see the past 20 charges or the "No history." message.