bro yuhhaur.. that one every Xperia got lah (1x1 icon switch).. what he mean was the original Power Switch that came with Neo firmware 3.x.x.x.145. the one with smooth edges power switch button just like an app called "Extended Controls" something similiar like that..

my previous X10 2.1 eclair oso got but after upgrade to 2.3.3 GB.. it also gone..

to receive MMS one must have enable data... secondly download your 2g/3g mms setting from the setting menu under Sony Ericsson (or about phone if im not mistaken).. select "setting download"

MAXIS

1) Home -> Menu -> Settings -> Wireless & networks -> Mobile networks -> Access Points Name
2) Menu -> New APN

Name: Maxis 3G Internet

APN: unet
Proxy: 202.075.133.049
Port: 80
User Name: maxis
Password: ***
Server: Not Set
MMSC: http://172.16.74.100:10021/mmsc
MMS Proxy: 202.075.133.049
MMS Port: 80
MCC: 502
MNC: 12
Authentication type: PAP
APN type: internet + mms

DIGI

1) Home -> Menu -> Settings -> Wireless & networks -> Mobile networks -> Access Points Name
2) Menu -> New APN
Name : DiGi Internet
User name : digi
APN: diginet
MCC: 502
MNC: 16
APN Type: default
(Others, blank)

NOTE : If you subscribed to Digi Internet Prepaid package ( RM2/day package ): the APN is : 3gdgnet

DIGI MMS

Name: DIGI MMS
APN: digimms
Proxy: no set
Port: Not Set
Username: mms
password: mms
Server: http://mms.digi.com.my/servlets/mms
MMS proxy: 203.092.128.160
MMS port: 80
MMS protocol: WAP 2.0
MCC: 502
MNC: 16
Authentication type: not set
APN type: mms

Digi Wap

Name: digiwap
Apn: digiwap
Proxy: 203.092.128.188
Port: 80
Username: digi
Password: digi
Server: Not Set
MMSC: Not Set
MMS proxy: Not Set
MMS Port: Not Set
MMS protocol: wap 2.0
MCC: 502
MNC: 16
Authentication Type: Not Set
Apn Type: httpproxy


CELCOM

1) Home -> Menu -> Settings -> Wireless & networks -> Mobile networks -> Access Points Name
2) Menu -> New APN
Name : Celcom 3G
APN : celcom3g
MMSC: http://mms.celcom.net.my
MMS Proxy : 10.128.1.242
MMS Port : 8080

Can try this if above doesn't work:

Celcom 3G Internet setting :

Name : Celcom 3G Internet
APN : celcom3g
MCC : 502
MNC : 19
APN type : default

Celcom 3G MMS setting :

Name : Celcom 3G MMS
APN : celcom3g
MMSC : http://mms.celcom.net.my
MMS proxy : 10.128.1.242
MMS port : 8080
MCC : 502
MNC : 19
APN type : mms