Tips to help you with Glo Bis:

text CoMonth to 777 or Dial *777*21# Glo BlackBerry BIS Complete Month (3GB) – 1,000 Naira,
text CoWeek to 777 Glo BlackBerry BIS Complete Week (700MB) – N400,
text bbamonth to 777 or Dial *777*23# Glo BlackBerry Absolute BIS Monthly (3GB) – 1,500 Naira,
text bbaweek to 777 Glo BlackBerry Absolute BIS Weekly (700MB) – N500,
Glo BlackBerry 10 Plans.