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Hello, I'm going to Japan in May/June & I was wondering if the international I9100, not the Japanese SC variant, is compatible with the data networks over there. I did some Googling but didn't find any conclusive answers. I apologise if the question is "noob", or if this is not the right section to post this in.
In addition, this is my first time in Japan (specifically, Tokyo) with a smartphone so I was looking at prepaid data plans for non-Residents, and chanced upon b-mobile (http://www.bmobile.ne.jp/) which appears to offer pretty good choices. My Japanese is at around the N3 level but reading a wall of text gives me a headache so I've been referring to softbanksucks.blogspot.com for more cognitively-friendly, English translations of certain related news.
1) They've launched a new prepaid card (at least I think it's prepaid) called the Chameleon 4G which rides on DOCOMO's 4G network. My question is, since my I9100 is not LTE-capable, will I still be able to tap on the data network (if I get that card) but maxed out at a speed my phone is able to handle.
2) Since this is my first time, I would like to ask if anyone who has been to Japan has any recommendations for getting a prepaid SIM card with data (eg. Plans, things to look out for, tips, etc). I was looking at data SIMs with talktime too but they all seem to be post-paid.
Many thanks for any help rendered!
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サンソングガラクシS II からタパトクで書いた。
Docomo should work the i9100 as it uses a GSM network. From my memory, either docomo or softbank may actually deny giving you a sim card for unlocked phones. At least that was the case for my friend while he was working in tokyo.
Kaze105 said:
Docomo should work the i9100 as it uses a GSM network. From my memory, either docomo or softbank may actually deny giving you a sim card for unlocked phones. At least that was the case for my friend while he was working in tokyo.
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Hmm that's strange, especially since he was working there and all. I heard both companies started selling prepaid SIM cards not too long ago, albeit at an exorbitant price. Thanks for clarifying the networks though!
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サンソングガラクシS II からタパトクで書いた。
I'm actually going in late May as well and was wondering the same thing. Fact that SGS2 will work is great news, as far as getting a sim, can't you just bs them and say a friend will give you some old phone when you meet up or whatever? If they offer and sell prepaid sims, I wouldn't imagine it being that much of a problem...
As far as networks, I gathered that majority over there is UMTS aka HSDPA these days, which most GSM phones have anyway, so that shouldn't be a problem at all.
Skv012a said:
I'm actually going in late May as well and was wondering the same thing. Fact that SGS2 will work is great news, as far as getting a sim, can't you just bs them and say a friend will give you some old phone when you meet up or whatever? If they offer and sell prepaid sims, I wouldn't imagine it being that much of a problem...
As far as networks, I gathered that majority over there is UMTS aka HSDPA these days, which most GSM phones have anyway, so that shouldn't be a problem at all.
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Not sure the bs will work, 'cause from what I hear, you need an actual Japanese address & some kind of Japanese identification.
It's much easier to get a data-only SIM card & maybe couple that with a Skype Premium subscription for the period of time you'll be there, for calling.
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サンソングガラクシS II からタパトクで書いた。
Or via a friend, which is what i ended up doing. IMO much easier to just connect with or make a new friend and have them hook ya up.
Sent strait from the oven
Safe travels :laugh:
Hello, I recently visited the USA (Las Vegas) and discovered that my UK bought (UNLOCKED) Samsung Galaxy S3 could not make nor receive calls in the USA. Roaming WAS enabled and I had an R symbol over the signal strength indicator. I have a Vodafone pay as you go sim card which I have used (as my main sim) over numerous years now. I have used it in other phones previously (HTC, Samsung, LG, etc.) over the years and they have all made and received calls in the USA (roaming) no problem. I did get a text message (eventually) when I was in the USA saying welcome to USA and calls cost £1.50, etc, etc. Yet when I tried making a call, I had an automated voice message asking me to contact my operator for some reason (can't remember the specifics). I've never had a problem using my Vodafone sim roaming in the USA and with previous phones, always made and received calls without any hassle (i.e. found a network automatically, e.g. AT&T, T-Mobile, etc.). Also, I visited Las Vegas last year with the same sim card but a different phone (HTC Desire HD) and was able to make and receive calls. I recall my brother saying that he had read something on the internet about the UK spec. S3 having hardware differences with the rest of the world versions, including not being able to work in the USA for calls. However, he could not find the site again. Has anybody else had this problem or know about it?
Yee1 said:
Hello, I recently visited the USA (Las Vegas) and discovered that my UK bought (UNLOCKED) Samsung Galaxy S3 could not make nor receive calls in the USA. Roaming WAS enabled and I had an R symbol over the signal strength indicator. I have a Vodafone pay as you go sim card which I have used (as my main sim) over numerous years now. I have used it in other phones previously (HTC, Samsung, LG, etc.) over the years and they have all made and received calls in the USA (roaming) no problem. I did get a text message (eventually) when I was in the USA saying welcome to USA and calls cost £1.50, etc, etc. Yet when I tried making a call, I had an automated voice message asking me to contact my operator for some reason (can't remember the specifics). I've never had a problem using my Vodafone sim roaming in the USA and with previous phones, always made and received calls without any hassle (i.e. found a network automatically, e.g. AT&T, T-Mobile, etc.). Also, I visited Las Vegas last year with the same sim card but a different phone (HTC Desire HD) and was able to make and receive calls. I recall my brother saying that he had read something on the internet about the UK spec. S3 having hardware differences with the rest of the world versions, including not being able to work in the USA for calls. However, he could not find the site again. Has anybody else had this problem or know about it?
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I have no idea about roaming in the USA...
However, I do know that the phone works on AT&Ts network, because I live in the USA & use the I9300 on AT&Ts network. The I9300 will not work on T-Mobile's data network, but should work on T-Mo's voice network.
That probably wasn't much help to you. I just wanted to confirm for you that the phone does work on AT&Ts network here.
brkshr said:
I have no idea about roaming in the USA...
However, I do know that the phone works on AT&Ts network, because I live in the USA & use the I9300 on AT&Ts network. The I9300 will not work on T-Mobile's data network, but should work on T-Mo's voice network.
That probably wasn't much help to you. I just wanted to confirm for you that the phone does work on AT&Ts network here.
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Thanks brkshr, that was helpful. Good to know that a GT-I9300 does work in the USA.
I thought the USA had different models (SGH-T999 and SGH-I747). What made you decide to get a GT-I9300?
I may try again (next time I go back to USA) and if still the same, will try an AT&T sim. I must admit, I don't know anything about the different networks in the USA. Can I get a pay as you go sim for free? In England, you can get sim cards for different networks free and then obviously pay to top up.
Yee1 said:
Thanks brkshr, that was helpful. Good to know that a GT-I9300 does work in the USA.
I thought the USA had different models (SGH-T999 and SGH-I747). What made you decide to get a GT-I9300?
I may try again (next time I go back to USA) and if still the same, will try an AT&T sim. I must admit, I don't know anything about the different networks in the USA. Can I get a pay as you go sim for free? In England, you can get sim cards for different networks free and then obviously pay to top up.
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You are correct. The U.S. does have it's own variations. I decided to buy the I9300 for the quad-core & I was hoping that Samsung would be more likely to release sources for it & update it faster. They do update the I9300 faster, but I prefer AOSP (Google's stock Android) over Samsungs TouchWiz & that's where sources come in to play. So now I wish I would have gone with a U.S. variant, because sources for the US variant are released. Oh well! (Sorry for the rant)
Unfortunately, we don't get free SIM cards here. The best thing to do is buy an AT&T SIM card online ahead of time. Then activate it on a prepaid plan when you get here. You need a Micro SIM card. They should cost anywhere from $5 to $15. Otherwise, you have to go into an AT&T store & buy their 'SIM Starter Kit' for $25... Complete BS.
http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias=aps&field-keywords=at&t+sim+card
Thanks again, the link (to Amazon) is very useful. I think I will get an AT&T pre-paid sim card as suggested. At least that way I can use mobile data (when wi-fi is not available) and not have to pay extortionate data roaming charges. Especially useful for mobile data assisted GPS.
One last question though. In the UK, you can keep your number even if you don't top up for ages. In the US, can you buy a pre-paid sim card, use it once, not top up for say a year and still be able to use the sim again, i.e. it won't be deactivated will it? That way I can have it as a holiday sim (I visit the US every year).
Yee1 said:
Thanks again, the link (to Amazon) is very useful. I think I will get an AT&T pre-paid sim card as suggested. At least that way I can use mobile data (when wi-fi is not available) and not have to pay extortionate data roaming charges. Especially useful for mobile data assisted GPS.
One last question though. In the UK, you can keep your number even if you don't top up for ages. In the US, can you buy a pre-paid sim card, use it once, not top up for say a year and still be able to use the sim again, i.e. it won't be deactivated will it? That way I can have it as a holiday sim (I visit the US every year).
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I don't know the answer to that question. Sorry.
Sent from my GT-I9300 using Tapatalk 2
Question!!
I bought an unlocked i9300 the quad core international galaxy s3.. i'm using Simple Mobile micro simcard.. i wanted to use AT&T prepaid simcard the one amazon sell.. i 'm asking if anyone used the AT&T with this phone and make it work.. i went to AT&T store and they told me the simcard will never work on my phone so don't buy it..i live in Texas USA.
PS: i'm sorry if this question been asked before and thank you all for your time and help
Have you seen this thread?
http://forum.xda-developers.com/showthread.php?t=1696025
Sent from my Nexus 7 using XDA Premium HD app
I know I keep bleating about dual SIMs, but does anyone have experience of installing Cyanogenmod on a device with dual SIMs? (Accidentally or otherwise ;=))
britseye said:
I know I keep bleating about dual SIMs, but does anyone have experience of installing Cyanogenmod on a device with dual SIMs? (Accidentally or otherwise ;=))
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CM doesnt really support dual sim card devices. Many reason for this. They are not really an option outside of Europe, Most dual sim card devices dont release the kernel source for their devices so CM doesnt develop for them.
It really is not the case that dual SIM phones are largely limited to Europe. They are extremely popular in Africa, and as I understand it in India and China also.
There are quite a few reasons for this. In my case I can get a decent Internet connection from one provider, but cheap calls to friends and family, and better money transfer facilities from another. Other users my be tied to one provider for their work, but prefer another for their private life - usually on cost grounds. Yet others simply like to have dual personas. OK for non-smart phones, some people get along with carrying two small phones, but carrying two sizeable and expensive smart phones is a bit much, and if you get robbed or something you have more to lose.
It would be a pity if CM were restricted in the long term to techies etc who were not interested in such considerations.
britseye said:
It really is not the case that dual SIM phones are largely limited to Europe. They are extremely popular in Africa, and as I understand it in India and China also.
There are quite a few reasons for this. In my case I can get a decent Internet connection from one provider, but cheap calls to friends and family, and better money transfer facilities from another. Other users my be tied to one provider for their work, but prefer another for their private life - usually on cost grounds. Yet others simply like to have dual personas. OK for non-smart phones, some people get along with carrying two small phones, but carrying two sizeable and expensive smart phones is a bit much, and if you get robbed or something you have more to lose.
It would be a pity if CM were restricted in the long term to techies etc who were not interested in such considerations.
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Sorry what I was meaning was outside the US. One of the biggest issues is no kernel source code for these devices. Without it there will never be a CM rom for it. Also it would need a maintainer, Someone with one of the devices to build it.
http://forum.xda-developers.com/showthread.php?t=2190071
Check this CM10 working with dual sim ...hope somebody port cm10with dual sim support to samsung s duos..
I Have Grand Duos 19082.. Working Gr8 with Dual Sim CM11 by pawitp
http://forum.xda-developers.com/showthread.php?t=2563557
Works without any crashes & there r almost no bugs at all!
From My Experience
As Far As I Know,
CM Doesn't Support Dual Sim Card Phones . But Recently I Found That In One Of My Friend's Phone The Cm 10.2 Does Actually Work.
With Full Functionality
So It Is Now Available
Need help
NeelDroid said:
http://forum.xda-developers.com/showthread.php?t=2563557
Works without any crashes & there r almost no bugs at all!
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Hey can you help me to this. Cause i cant flash the delta but i already flashed the cwm with SELinux and i still got the status 7 error please help.
NeelDroid said:
http://forum.xda-developers.com/showthread.php?t=2563557
Works without any crashes & there r almost no bugs at all!
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I tried this method writing the code in the terminal emulater and rebooted but it doesn't work? please help for multi sim option in settings? please thank you
Any news here?
I heared that CM supports Dual Sim on the Moto G (1st gen) officially, is that true? Are there any other dual sim devices in the meantime wich are supported by CM?
Just wanted to give it a bump as I'm also struggling with a HTC E8 dual SIM
I'm using it without any problems on Moto G2 (2014) DualSim. I was testing it on CM12 and now on CM13.
onestone said:
Any news here?
I heared that CM supports Dual Sim on the Moto G (1st gen) officially, is that true? Are there any other dual sim devices in the meantime wich are supported by CM?
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Did I miss something in my research ?
Everything I read seemed to suggest that both SIMs in the Z7 Mini were 4G capable, in fact I am sure I saw some promotional material with screenshot of a UI display labelling both as 4G.....but is that only for TDD ?
I'm in the UK and independently my EE and Three SIMs can get a 4G signal on the phone in slot 1, but once I inserted both cards at the same time, activating the mSIM settings, the 2nd SIM is labelled as GSM only (1st SIM labelled 3G/4G).
Bought a pre-rooted model on ebay, not 100% what ROM version I have (phone advises there is a newer ROM available, but fails to install...possibly due to root status). Perhaps this works differently in a newer or custom (CM?) ROM. Anyone know ? When looking for cheap option for a dual SIM phone it was challenging to get clarity in the reviews and specs as to the parallel operation of 4G on such phones....thought I'd been through enough!
After a day of playing I can say it compares favourably (and gets a better AnTuTu score) with my Galaxy S5, fixing dual SIM would be great
Both SIM slots are 3G/4G capable but you can't use it on both at the same time, the other one will go on GSM.
Sent from my NX507J using Tapatalk
thanks - searching again today I've found numerous sites which confirm the same... I clearly misinterpreted whatever I found first time round!! Assume no significant changes with Mokee or other ROMs
No, it's hardware limit.
About the ROM the stock one is only English/Chinese and there is no playstore, online store usually sell it with a custom ROM based on stock to add multi language and play store.
That's why the OTA update fails.
Last stock ROM is 1.76 but they are also developing a ROM based on lollipop.
I am using CM11 and I'm quite happy with it.
Sent from my NX507J using Tapatalk
Hello from Japan.
I bought the s9+ online. It does support my carriers signal LTE. I`m with KDDI AU
what happens though is i cannot get signal. Though the sim is read and it knows the number attached. I cannot attach to the network.
There are 2 choices in manual search. i choose 1 it says I am not allowed on. the other just says registering for a long while then it fails.
I have found japanese forums blogs etc That AU are a bunch of turd munching ass bandits. I think they purposely try to stop anyone from BYOD by making it difficult.
In the case of VOLTE I have a s7 edge right now. It is on a VOLTE plan and has a sim that AU calls "AU ic lte card 06"
It seems that this sim only works in an VOLTE enabled device. (perhaps running firmware that add software to authenticate to network too) I.e. that sim will not attach in a non volte handset and some non au sold phones may not work either VOLTE support or not.
There is another sim coded 04 i think that works on lte/cdma hybrid. Since the galaxy s9+ does not work the cdma even if i changed the sim ( they charge about $30 and changed the plan from a volte plan to an lte plan another $30 charge) i could only use data anyway.
So I had thought this device would work since it was meant to be volte. but my device does not let me enable it. (some error like not supported by your current software version)
Anyone got any idea how to enable the volte is.
I don`t want to root it or load another rom etc.
So if there is not other way I may just cut my losses and switch providers.
I want to because I hate AU but at he same time i dont want to because they make it incredibly hard to change providers.