Download the app WhatsApp for texting ... a LOT of the girls in LOS use it now. The other person needs to have this app too. Great for people in the States to get ahold of you too if need be - just get them to download before you leave. No texting charges when wireless available and if not very cheap ...
When you get back to the States (or Europe) just uninstall the app, change SIMs, reinstall the app and you have all your contacts from your previous # ... keep in contact with the girls for free.
Skype for computer to cell phone ... can also use Skype on your Android to call cell phones if you have wireless access. I used Skype for work meetings no problem ... now company has switched to Office Communicator for conf calls ... soon we'll have Google Talk on all phones.
Wireless access is free along Sukhumvit in BKK now for True SIM ... not fast but doesn't need to be for texting and small emails. Fill a True SIM with baht at any 7/11 just like DTAC. You get this SIM for 1 yr and can extend it so I keep my same number now. Best to buy a True SIM at the airport after you exit Customs ...
Unlock a phone before you go as Roscoe shared or if you forget ...
To unlock a phone just go to MBK in BKK where they sell all the phones and ask and they'll point you to someone that will unlock any phone you have. I broke my touch sceen on my Nexus One in June and they had it fixed in 4 hrs. ... still works great.
Can you imagine what it was like 4 yrs ago? Now staying in contact with the girls is so easy ... can't imagine what it was like prior to Skype and WhatsApp ...
I need to figure out a way to "block" a user on my True SIM ... only had to do that once with lb Tan ... ended up burning my SIM card and changing hotels

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Edited by Beachlife, 04 September 2011 - 07:22 PM.