No.. for 3G.. you will need different machine for AIS/TOT 3G and DTAC/TRUE 3G

AIS/TOT 3G galaxy tab will not be able to get 3G connection using DTAC/TRUE sim card and vice versa

1) Download the attached ClockworkMod_Recovery_v5.0.2.6.tar from http://forum.xda-developers.com/showthread.php?t=1312218

2) Reboot the tab into download mode

10.1, 8.9 Button layout >> [Power] [Vol Down] [Vol Up]

2.1) Power off Tab
2.2) Press [Power] for 3sec
2.3) When Galaxy Tab 8.9 Logo appear..Press [Vol Down]
Now you will have android logo
2.4) Press [Vol Up] – confirm Download mode selection

Now you are ready to –

3) Fire up Odin 1.85 and put the ClockworkMod_Recovery_v5.0.2.6.tar in the PDA field.
4) Flash! – Click Start
5) Wait for PASS – then you are done!

NOW to test CWM recovery you just installed..

6.1) Power off Tab
6.2) Press Power for 3sec
6.3) When Galaxy Tab 8.9 Logo appear..Press Vol Down
Now you will have android logo
6.4) Press Vol Down – select Recovery mode
6.5) Press Vol Up – confirm Recovery mode selection
6.6) Find backup/restore in CWM Recovery
6.7) Backup your Rom 0
6.8) Find it in your Tab and post to share with us! 😀

Hi

I upgraded my Tab 8.9 to Overcome 2.1 already and now Kies cannot upgrade my Tab..

Please can someone post the rom-0 P7300 3.1 THL?

So I can install and then get Kies to upgrade to 3.2

Thank you veryyyy much krub pom