The process involved in connecting your aPad to the Internet using Sun Cellular or Smart Broadband is the same with Globe Broadband. Please see this post for the step by step process.
However, instead of using the 3G settings (as detailed in number 5) of Globe, use the following 3G settings:
SUN BROADBAND WIRELESS
NAME: SUN OR ANY
PHONE NUMBER: *99#
APN: minternet
SMART BROADBAND WIRELESS
NAME: SMART OR ANY
PHONE NUMBER: *99#
APN: smartbro
However, instead of using the 3G settings (as detailed in number 5) of Globe, use the following 3G settings:
SUN BROADBAND WIRELESS
NAME: SUN OR ANY
PHONE NUMBER: *99#
APN: minternet
SMART BROADBAND WIRELESS
NAME: SMART OR ANY
PHONE NUMBER: *99#
APN: smartbro
