Cellink Plus Gt&t Guyana APN Settings:Guyana Telephone and Telegraph Company Cellink Plus Internet Settings.

APN Settings for Android / Samsung Galaxy / HTC/ MotoG:

Name : cellinkgy
APN : wap.cellinkgy.com (or) portal.cellinkgy.com
Proxy : 10.0.1.99
Port : 8080
Username : gtt
Password : gtt
Server : Not Set
MMSC : Not Set
MMS Proxy : Not Set
MMS Port : Not Set
MCC : 738
MNC : 02
Authentication type : Not Set
APN Type : default

APN Settings for iPhone

Go to Settings-> General Settings-> Network->Turn ON Cellular Data-> Cellular Network -> APN and enter the following Details

CELLULAR DATA:
APN: wap.cellinkgy.com (or) portal.cellinkgy.com
Username: gtt
Password: gtt
MMS:
APN: blank
Username: blank
Password: blank
MMSC: blank
MMS Proxy: blank
MMS Message Size: 1048576
MMS UA Prof URL:Leave blank