I've been using OperaMini as my default browser since the day i purchased my phone, you may follow the simple steps below:
NOTE1: for Smart, a minimum of P1.00 is required or load must be below P10 to be safe.
NOTE2: for Globe, no load is required.
NOTE3: for SUN and RED mobile, I don't know, I haven't try it to these networks..lol!
STEP1 ;D
Main Menu>Connect>Packet Data Conn
Select When Available
"E" or "G" will then appear above the signal bar indicator!
STEP2 ;D ;D
Main Menu>Connect>Access Point>Add Access Point
Name: Any name or use "Free OM"
Bearer: GPRS
AUTH: NO auth
APN varies per network
for SMART: internet
for GLOBE: http.globe.com.ph
for SUN: minternet
for RED: redinternet
STEP3 ;D ;D ;D
Main Menu>Connect>Internet Profiles>Add Profile
Title: any name or Free OM
Proxy: YES
Proxy Server: varies per network
SMART: 010.102.61.238
GLOBE: 80.239.242.112
RED and SUN: 80.239.242.113
Port is always: 80
Access Point: you created in STEP2
STEP4 ;D ;D ;D ;D
Main Menu>Connect>Java Settings>Profiles>Add Profile
Tiltle: any name
Profile: you created in STEP3
SAVE and ACTIVATE!!!
TADA!! free internet in OperaMini5