Hi all,
First of all, thank you for all your kind replies on my inquiries
Now comes to using mobile phones in Japan for travel. Below are my findings (an email sent to my fellow friends who'll be travelling with me). Feel free to correct anything or add something to these...
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Japan network is quite different from our country since they are using CDMA and we are using GSM. However those who have a 3G enabled mobile phones (with functions to switch to dual mode/UMTS) are able to roam in Japan ie. Nokia N82.
Here are a few options;
1) International roaming using your 3G mobile phonesJust my 2 cents and opinion traveling in general, international roaming is VERY messy especially when you're on postpaid or if you're using Celcom cos they don't limit making/receive calls, data, etc. Balik rumah, check bill, boleh pengsan! I've experienced paying about RM2k in several occasions for inter'l roaming, so kalau betul2 nak keep in touch during this coming 5 days, just use public phone to say hello to family and friends.
Below is how charges work for Celcom users;
Making calls in Japan and different country: RM 3.50 per minute
Making calls from Japan to Malaysia: RM 8.80 per minute
For discount (roam saver) dial *120* (country code and phone no) + # : RM 2.50 per minute
Send SMS: RM 2 per sms
This is based from my conversation with Celcom careline, for more detailed, verified info, please dial 1111 (for Celcom users) or here
I am not sure how charges work on Maxis, Digi, U-Mobile, etc
2) 3G phone rental in JapanA few operators/phone rentals co. in Japan are offering this service; Vodafone, NTT Docomo, Softbank, PuPuRu. I'm not sure about another operator, KDDI. It seems they only offer fixed line? (telephone)
3) Rent prepaid SIM cardIn my opinion, this is a better choice only to those who wants to keep in touch with people around Japan. Travelers often use this to keep in touch with their travel partners and in several occasions make international calls/sms but it also depends on the charge fee for the particular operator. Softbank provides 3G SIM card rental.
CONCLUSIONS
Again, for 5 days travel, in my opinion, there are other cheaper and FREE alternative.
1) Keep in touch with family and friends using public telephone to notify safe landing or updates.
2) Skype/email/sms via internet using the hotel's FREE internet lounge area. Those who'll be bringing laptop or wifi/wlan enabled mobile phone, you're in luck. Not sure they provide computers in this lounge area.
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There's actually links embedded in this email, but malas nak attach back. Will do by request lah.
So how's it? Sila tunjuk ajar (how to say this in Nihon-go ar?).