To access your internet settings on your android goto,
settings>>wireless $networks>>more orsettings>>wireless $networks>>mobile networks
then select your network and goto access point names (APN).
select or creat a new APN
Orange Uganda Internet settings
APN: orange.ugProxy: 10.201.20.04
Proxy port : 8080
MTN Uganda Internet settings
APN: internetProxy: internet.mtn.co.ug
Port: 8080
Airtel Uganda Internet settings
APN:web.ug.zain.comor web.ug.airtel.com
UTL Uganda Internet settings
As for UTL, you can try;APN:utweb or utwap or utwap.3g
Proxy:10.76.101.51
Warid Uganda Internet settings
APN: wap.waridtel.co.ugProxy address: 10.5.27.80
Proxy port: 8080
K2 Telecom Internet settings
APN: apnk2proxy: 10.201.20.4
port: 8080
Smart Telecom Internet settings
APN: smart.ugVODAPHONE UGANDA
coming soon
Safaricom (Kenya) APN Internet settings
Name: SafaricomAPN: safaricom
Proxy: 172.22.2.38
Port: 8080
Username: saf
Password: data
Server: http://wap.safaricom.com
MMSC: http://mms.gprs.safaricom.com
MMS Proxy: 172.22.2.38