Using ATT skyrocket in Taiwan - AT&T Samsung Galaxy S II Skyrocket SGH-I727

I tried search for answers, but no luck.
Story is that I just bought a Skyrocket and cant be happier, but I'm planning to go to Taiwan for a month. I just realized that Taiwan uses UMTS 2100 for 3G and HSPA. I'm getting a lot of different info on the ATT skyrockets.
I'm wondering if I can take this skyrocket to Taiwan and use their 3G/4G networks.
Any input would be helpful.
Best!
edit: I think it will work.

3G or 4G will both work in Taiwan. I was able to use my skyrocket to tether and make skype video calls with no problem.
Sent from my Transformer Prime TF201 using xda premium

davelu said:
3G or 4G will both work in Taiwan. I was able to use my skyrocket to tether and make skype video calls with no problem.
Sent from my Transformer Prime TF201 using xda premium
Click to expand...
Click to collapse
Did you have to do anything (like switch APNs)? My previous phone (Touch Pro 2) had 2100, but I wasn't able to connect, even though my phone said "3G". My brother's Atrix had the same problem. We couldn't get any data working at all.

Hi, I live in Shanghai, and want to use China Unicom, which uses the 2100 network.
Sounds like from these posts that the Samsung Skyrocket will work here without any problems.
Does it need to be unlocked? Some Skyrocket specs list the 2100 while others don't. That due to ATT trying to discourage others from buying this phone?
Thanks for the info in this thread.

WorldMan said:
Hi, I live in Shanghai, and want to use China Unicom, which uses the 2100 network.
Sounds like from these posts that the Samsung Skyrocket will work here without any problems.
Does it need to be unlocked? Some Skyrocket specs list the 2100 while others don't. That due to ATT trying to discourage others from buying this phone?
Thanks for the info in this thread.
Click to expand...
Click to collapse
Of course you need it unlocked. I used my unlocked skyrocket last month in my vacation in the Philippines where networks uses 2100 for 3g and 4g.
Sent from my Calculator with Android.

Sweet, now to find one online, and order it so that it is waiting for me next week when I return to the states.
Thanks!!!

Related

How hard would it to have the Inspire on TMobile?

What would need to be done to have it on tmo. And would hspa+ and all that work?
Sent from my HTC Vision using XDA App
adamtheindien said:
What would need to be done to have it on tmo. And would hspa+ and all that work?
Sent from my HTC Vision using XDA App
Click to expand...
Click to collapse
I actually rooted my Inspire, loaded the Euro DHD ROM and tried it on T-Mobile this morning. It worked, but no 3G, much less 4G.
So what would need to be done to get that type of thing to work fully? Something with the baseband or something right?
Sent from my HTC Vision using XDA App
It can't be done, the hardware is different, you won't get anything better that edge
i really need my inspire unlocked?
just wait a few months, the htc incredible S is supposed to coming to Tmobile and that device has same specs as the inspire except smaller screen and has FFC.
Unlock it and you're good to go! That is, if you don't care for 3G/4G
The Inspire's 3G radio is incompatible with the bands used by T-Mobile unfortunately
i want the big screen though lol. I have a g2 right now and I'm really just craving one of those huge screens. What about the Desire HD? would that work on TMO? or is there any other options out there?
adamtheindien said:
i want the big screen though lol. I have a g2 right now and I'm really just craving one of those huge screens. What about the Desire HD? would that work on TMO? or is there any other options out there?
Click to expand...
Click to collapse
your option is an hd2 on android
I don't get it. One of the reason I pick Inspire because it has the same 2G/3G band frequency like the Desire Z (G2). If Desire Z works then why not the Inspire?
Quote from GSMArena:
HTC Desire Z
2G Network GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 900 / 2100, HSDPA 850 / 1900 - North America
HTC Inspire 4G
2G Network GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 1900
Even the Incredible S is not 1700 band
HTC Incredible S
2G Network GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 900 / 2100
The desire z looks like it does not work on t-mobile either. T-mobile needs 1700/2100 for 3g, which are not listed in the specs yet posted.
Can I use T-Mobile 3G devices on another carrier’s 3G networks?
You will not be able to roam with your T-Mobile 3G device on another carrier's 3G network. T-Mobile devices use the 1700Mhz/2100Mhz frequency band (for 3G) and it is specific to T-Mobile. You can however roam on another carrier's 1900Mhz frequency band using GSM. Likewise, another carrier’s 3G devices will not be able to roam on our 3G network.
r34p3rex said:
Unlock it and you're good to go! That is, if you don't care for 3G/4G
The Inspire's 3G radio is incompatible with the bands used by T-Mobile unfortunately
Click to expand...
Click to collapse
yup basically, All you need to do is root the phone using either method. I tried it last night actually with my friends tmo sim. phone worked fine, except only edge service
epicKA8 said:
yup basically, All you need to do is root the phone using either method. I tried it last night actually with my friends tmo sim. phone worked fine, except only edge service
Click to expand...
Click to collapse
But his question is specifically asking to use 3g on other carriers. Which the answer is no, even rooting won't help. It's a hardware limitation.
its something i have thought bout but why would you pay that much for a phone tht will only run on the Edge. Wait for the Pyramid to come out or get a Desire HD from ebay. its just the European version and has the bands ability. or like what has been mentioned before about the HD2 and load it with Android. Thats what Im using which is awesome becasue you can use the HSDPA speeds and 3G speeds and have that huge 4.3 inch display and still have a 1ghz snapdragon processor.. another awesome thing about it is that there is SOOO many roms you can load to customize your phone like if you wanted the basic Sense Rom like the inspire or the Evo there are plenty of roms for it, if yo wanted the MyTouch 4G rom then you can load it, if you wanted a Nexus Rom then you can load it, and its much faster with updates so you can even have Gingerbread already on your phone and they are even already gettting the bugs worked out of having Honeycomb on the good ole HD2. its overall a very under rated phone but thats because it had tons of issues with WinMo 6.5 but with ANdroid loaded on it I havent had problem one with it.. Im sure others have thier opinion but thats mine for it.. hopefully any info helps...
RogerPodacter said:
But his question is specifically asking to use 3g on other carriers. Which the answer is no, even rooting won't help. It's a hardware limitation.
Click to expand...
Click to collapse
didn't you read the quote i replied too? i said nothing about being able to use 3g, infact, i said quite the opposite, i confirmed like others, 3g will not work. :rollseyes: gotta love ppl who don't read what you actually posted.
Oh I missed the last statement of your post. It was tagged there at the end.
AT&T to Buy T-Mobile for $39 Billion USD
AT&T to Buy T-Mobile for $39 Billion USD
T-Mobile 3G (i think 4G also) Phones Will Require Replacement After AT&T Merger
SO buying this phone and unlocking it will give u a little while to use T-Mobiles services (maybe 2 years AT MOST) after that u will need an AT&T phone
but the trade off to being able to use T-Mobile for a while is that u will be at slower speeds for a while BEFORE AT&T destroys this grate service provider
can you say "Cingular" ?
so this is the best GSM phone as it will be merger proof !!
Internet settings?
hey guys i realize this is an older post but i rooted and unlocked my htc inspire and put in a Tmobile sim card and calls work fine and text messages too the phone automatically detected apn and everything but i cant get it to connect to the internet what should i do is there a way to set to 2g networks only? is that even required?
u will not get 3g on tmobile..ive tried
Sent from my Desire HD using XDA App

Our phone... is amazing.

I was stalking the T-Mo SGSII forums when I saw this..
http://forum.xda-developers.com/showthread.php?t=1417095
According to that, their phone has an LTE radio... which means even the radios between our phones are the same..
I did some research, and I learned that our Skyrocket is a pentaband phone.
HSPA+: 850, 900, 1700, 1900, 2100.
And having 6 LTE bands....
This is probably the best radio made by Qualcomm... ever.
But I thought the Exynos chip could not support LTE? Only the Snapdragon..
Both phones have snapdragon processors.
Sent from my SAMSUNG-SGH-I727 using Tapatalk
Wait.. whaaa? This is the first I've heard of this, but doing a check on phonearena, it looks like it has supports the 1700 band. Has anyone tried this phone on T-Mo?
Lately, I've been thinking of selling the phone and going T-Mo b/c their plans are so cheap.
jedah said:
Wait.. whaaa? This is the first I've heard of this, but doing a check on phonearena, it looks like it has supports the 1700 band. Has anyone tried this phone on T-Mo?
Lately, I've been thinking of selling the phone and going T-Mo b/c their plans are so cheap.
Click to expand...
Click to collapse
This is the info I got from phonearena. Most gsm bands are the same from the Tmobile sgs2 and the a&t skyrocket.does this mean if I unlocked my skyrocket I could use t mobile pre paid internet and voice plans.I currently have a AT&T 50$ unlimited pay as you go, but can't get Web (internet because it's a smartphone) has anyone tried using there skyrocket on Tmobile hspa+ network?
Sent from my SAMSUNG-SGH-I727 using xda premium
Subscribing
Sent from my SAMSUNG-SGH-I777 using XDA App
Yes, our T-Mobile Galaxy S II people are trying to see if we can activate the LTE radio on our device by flashing your modem.
If you are interested you can try flashing our modem to see if your phone can use AWS (1700) on T-Mobile / Mobilicity / Wind.
Our modem is here: http://rootzwiki.com/topic/11883-odin-tmo-sgsii-modem-collection-team-kang12142011/
Note that after flashing our modem your phone will lose LTE. After you are done testing you can flash back your own modem which is here: http://forum.xda-developers.com/showthread.php?t=1384865
513263337 said:
Yes, our T-Mobile Galaxy S II people are trying to see if we can activate the LTE radio on our device by flashing your modem.
If you are interested you can try flashing our modem to see if your phone can use AWS (1700) on T-Mobile / Mobilicity / Wind.
Our modem is here: http://rootzwiki.com/topic/11883-odin-tmo-sgsii-modem-collection-team-kang12142011/
Note that after flashing our modem your phone will lose LTE. After you are done testing you can flash back your own modem which is here: http://forum.xda-developers.com/showthread.php?t=1384865
Click to expand...
Click to collapse
Sent from my SGH-T989 using XDA Premium App
charlieb620 said:
Sent from my SGH-T989 using XDA Premium App
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Click to collapse
My skyrocket is locked to AT&T so I cant test. :/
Sent from my SGH-I727 using xda premium
Someone on the original thread was able to flash a T-Mobile radio and get Wind 3g signal (which is AWS) so looks like the radios are the same... anyone else want to try flashing a T-Mobile radio to see if T-Mobile 3g/4g (idk what they call it ) or Wind Home zone/Mobilicity 3G (non-roaming) works?
I've been following both threads and it sounds like Telus/TMobile radios does work on our LTE device? I'm travelling to Orlando later this month and would love to use their 3g data prepaid plan instead of 2g data.
It sounds like all I have to do is flash the Telus radio before I leave and I should be able to use Tmobile's 3g network? Then when I get back, flash it back to the Rogers radio so I get LTE back? Does that sound right? Thanks!
tom0927 said:
I've been following both threads and it sounds like Telus/TMobile radios does work on our LTE device? I'm travelling to Orlando later this month and would love to use their 3g data prepaid plan instead of 2g data.
It sounds like all I have to do is flash the Telus radio before I leave and I should be able to use Tmobile's 3g network? Then when I get back, flash it back to the Rogers radio so I get LTE back? Does that sound right? Thanks!
Click to expand...
Click to collapse
Sounds about right.
Sent from my SAMSUNG-SGH-I727 using xda premium
Im actually glad members of the SR forum are aware of what we are trying to do over at the tgs2 forum. I have an unlocked tmg2 and been looking for someone in chicago with att lte to test it out and i was going to start a nee thread. But posted on here instead
Sent from my SGH-T989 using Tapatalk
If anyone in Vancouver has a telus Galaxy s2 x wants to try with my Rogers LTE sim, send me a pm
What radio do I need to flash for t-mobile hspa?
TPC has radio thread in dev forum and da_g has posted t989 radio plus mr.x has radio thread over at t989 dev forum so you can install them after flashing rom.
tspx23 said:
What radio do I need to flash for t-mobile hspa?
Click to expand...
Click to collapse
It is indeed amazing. Flashed juggernaught and the T-Mobile radio. Getting 4g with no issues.
Plus it even thinks my phone is the T-Mobile version. Wifi calling might even be supported!
Sent from my SGH-T989 using Tapatalk
I've been doing some research... the MDM9200 (modem in the Skyrocket) has LTE (Band 17 and Band 4, I also found a device with Band 13 but not sure if it's included in the SkyRocket) and it has HSPA+ Release 8, which means DC-HSPA. This means the by flashing a Telus/T-Mobile radio, you could theoretically get the same speeds that the SGH-T989(D) gets. I also found an MDM9200 device that states it has HSPA+ 850/900/1700/1900/2100 so that means that this modem can handle a LOT of bands, it just depends on which radio you flash.
Alright so I got my Skyrocket and flashed the latest T-Mobile Modem. AWS HSPA+ works perfectly fine, voice quality is actually much better than it was on my Hercules. I restored my setup from my Hercules and just changed the TDJ kernel to Da_G (waiting for them to make a kernel for the Skyrocket).
So that settles that once and for all. This phone has HSPA+ 850/1700/1900/2100 (and it's DC-HSPA so the max 42mbps is enabled if you flash a T-Mobile/Telus radio). It also has LTE 1700/700 with the 700 being band 17. I'm really hoping Wind gets the lower B or C block so I won't have to switch phones if/when they deploy LTE.
The Skyrocket has everything the Hercules has, with just MDM9200 over the MDM8200 in the Hercules. If you google online, the MDM9200 is like the MDM8200 just with LTE on top.
Once again, this phone is in fact amazing lol
Guess I should change my username if i could lol "SGS2LTE"
SGS2X said:
Alright so I got my Skyrocket and flashed the latest T-Mobile Modem. AWS HSPA+ works perfectly fine, voice quality is actually much better than it was on my Hercules. I restored my setup from my Hercules and just changed the TDJ kernel to Da_G (waiting for them to make a kernel for the Skyrocket).
So that settles that once and for all. This phone has HSPA+ 850/1700/1900/2100 (and it's DC-HSPA so the max 42mbps is enabled if you flash a T-Mobile/Telus radio). It also has LTE 1700/700 with the 700 being band 17. I'm really hoping Wind gets the lower B or C block so I won't have to switch phones if/when they deploy LTE.
The Skyrocket has everything the Hercules has, with just MDM9200 over the MDM8200 in the Hercules. If you google online, the MDM9200 is like the MDM8200 just with LTE on top.
Once again, this phone is in fact amazing lol
Guess I should change my username if i could lol "SGS2LTE"
Click to expand...
Click to collapse
glad to hear it worked out man, lot of people shy away from the skyrocket because they think it won't work!

P6200 US 3G At&t or T-Mobile?

I'm currently deployed in Afghanistan and ordered the 6200 to work with GPRS out here, sadly enough that's the only reliable data connection available. I googled at&t and T-Mobile frequency bands but I'm not exactly sure what I'm looking at.
Could someone please let me know which carrier I'll be able to use this on with 3G when I return home next year? Thanks!
Sent from my E4GT using xda premium
As long as it is sim unlocked then it should (technically) work with either one on 3G since AT&T uses the 850/1900MHz frequency and T-Mobile uses the 1700/2100MHz. The model you have (P6200) is listed for 900/1900/2100MHz frequencies for 3G.
It will work on both of them under 2G for sure since it is quad-band GSM.
http://www.gsmarena.com/samsung_p6200_galaxy_tab_7_0_plus-4208.php
http://en.wikipedia.org/wiki/T-Mobile_USA
http://en.wikipedia.org/wiki/AT&T_Mobility
This is just a guess based on what little I know about these things so I can't guarantee this.
scottypimpin636 said:
I'm currently deployed in Afghanistan and ordered the 6200 to work with GPRS out here, sadly enough that's the only reliable data connection available. I googled at&t and T-Mobile frequency bands but I'm not exactly sure what I'm looking at.
Could someone please let me know which carrier I'll be able to use this on with 3G when I return home next year? Thanks!
Sent from my E4GT using xda premium
Click to expand...
Click to collapse
That's exactly what I'm confused about. If T-Mobile uses 1700/2100 does that mean the device only needs to support 2100 or both?
Sent from my E4GT using xda premium
It will only works on att, I have the same unlocked phone, tried tmo and only getting edge. Yea, mine comes with phone ability and unlocked

Will the T-mobile version work on AT&T?

The Tmobile version looks like it has the 850/1900 bands to work on ATT's network? Does it in practice?
I know one problem might be the micro sim card idk if att uses those at all. I guesse u could probably just cut a regular one
Sent from my HTC One S using xda premium
I think it will work but you will only get Edge data. But why go through the hassle when they are releasing the One X on May 6th?
Thongvilay said:
I think it will work but you will only get Edge data. But why go through the hassle when they are releasing the One X on May 6th?
Click to expand...
Click to collapse
I agree the att one x will have the same awesome krait prossecor and it might have the same internals maybe making it possible to flash one s roms with the art one x. Because the att one x and international one x won't be able to flash each others Roms
Sent from my HTC One S using xda premium
ATT uses micro sim, that's not an issue.
Frankly I find these LTE just getting to be ridiculously big. The HTC One S is the perfect size imo.
According to the FCC document for the t-mobile version, it's supports WCDMA 850 (ATT), 1700 (T-mobile) and 1900 (ATT,T-mobile). So I should fine on ATT's network as long as I put in the correct APN right?
Also looking for clarification on this...
It probably will, but it has to be unlocked and for that to happen, we need S-Off which could very well be a few months away. Why don't you buy the international, unlocked version outright? You also get your choice of colors (red/black as well instead of just blue/grey).
Wow, not a straight answer yet, YES and unlocked HTC One S will work on ATT 3G (1900mhz). No ATT LTE support. Contrary to above micro-sim is not a problem, att iphones use them and of course you can always cut it as well.
jamesgg said:
Wow, not a straight answer yet, YES and unlocked HTC One S will work on ATT 3G (1900mhz). No ATT LTE support. Contrary to above micro-sim is not a problem, att iphones use them and of course you can always cut it as well.
Click to expand...
Click to collapse
How is mine not a straight answer? It will when it is unlocked. Which requires S-Off.
Sent from my HTC VLE_U using xda premium
joshnichols189 said:
How is mine not a straight answer? It will when it is unlocked. Which requires S-Off.
Sent from my HTC VLE_U using xda premium
Click to expand...
Click to collapse
Lol u mean unlocking phone to use it on att requires s off? NOOO. DOESN'T NEED TO BE S OFF. Just get unlock key and done.
Sent from my HTC VLE_U using Tapatalk 2
i am sure it works with att hspa plus. i have persoanlly tried unlocking and using it and it works plus check this video: http://www.youtube.com/watch?v=odaS8tcxa0A this dude does the same thing and you can see it working on att along with the galaxy note
p.s. that band might not be available on some areas and 4g might not work, but works where i live (boulder,co)
Ok so... the T-mobile version will work with AT&T... will the international version work any less? As far as I can tell they both use the same bands (with exception to AWS of course).. but I very well could be missing something.
mmceorange said:
Ok so... the T-mobile version will work with AT&T... will the international version work any less? As far as I can tell they both use the same bands (with exception to AWS of course).. but I very well could be missing something.
Click to expand...
Click to collapse
so do you know if the t-mobile version has both 850/1900 bands? or just one of them?
ksubedi said:
i am sure it works with att hspa plus. i have persoanlly tried unlocking and using it and it works plus check this video: http://www.youtube.com/watch?v=odaS8tcxa0A this dude does the same thing and you can see it working on att along with the galaxy note
p.s. that band might not be available on some areas and 4g might not work, but works where i live (boulder,co)
Click to expand...
Click to collapse
How did you unlock it
please tell me
hskharkunwar said:
How did you unlock it
please tell me
Click to expand...
Click to collapse
I unlocked it through ebay. just search in ebay "htc one s unlock" its about 8USD. you pay and then you leave a message with your IMEI number
I unlocked mine by calling T Mobile and asking nicely. I popped in my ATT SIM and got HSPA plus nicely. It works perfectly on ATT
Sent from my HTC One S using xda premium
Brooose said:
I unlocked mine by calling T Mobile and asking nicely. I popped in my ATT SIM and got HSPA plus nicely. It works perfectly on ATT
Sent from my HTC One S using xda premium
Click to expand...
Click to collapse
I live in India where I can't get it
Can I try Cellunlocker.net
There it is for $10
I thought it had the 850 band for 3G only. I don't see any specs that say it has the 1900 band for 3G. This tells me it will only work in places that AT&T has 3G on the 850 band. Does ATT use 1900 at all for 3G?
motionUS said:
I thought it had the 850 band for 3G only. I don't see any specs that say it has the 1900 band for 3G. This tells me it will only work in places that AT&T has 3G on the 850 band. Does ATT use 1900 at all for 3G?
Click to expand...
Click to collapse
ATT uses 1900, in some markets, ATT uses the mixture of both, 850 has better penetration in urban areas (tall buildings ...)
I'm interested in the phone, but i'm going to be using it on ATT. Can somebody that has the device tell us what is the FCC ID?
Quick trip to Phone Scoop website, i can see that there are two FCC ID's associated with the phone. NM8PJ40110 passed the tests using ATT WCDMA bands (band II 1900 and band V 850) and T-Mobile bands (band IV 1700/2100). NM8PJ40100 passed only ATT bands. Both doesn't show any reference to any test on WCDMA 2100 (band I), which probably means that the phone doesn't support the international 3G band.
In short, theoretically, the T-Mobile's version of HTC One S should work on ATT 3G bands (WCDMA band II and WCDMA band V), however, the phone would not support ATT LTE.
Since the hardware is there (FCC website proves it, unless if the official T-Mobile USA version got pushed with different FCC ID that i do not know), the phone should work on ATT 3G, but nothing prevents T-Mobile to disable the ATT 3G radios in their ROM. I think that S-OFF would give opportunity to enable the ATT radios (if they are blocked)
We will see ...
Take care,
From my experience, the ATT radio is not blocked and works fine.
Sent from my HTC One S using xda premium

[Q] GT-P6200 or 6200L ?

I'm getting some conflicting information and I know that I can get an accurate accounting right here...
I'm told that the P-6200 model will operate on ATT network but EDGE only speed and that I need the P-6200L model to get full 3G speeds.
Is this correct?
I'm on the same boat. Cannot decide which one to get.
I was told you can flash modem from p6200l to p6200 to enable 850mhz 3g. But I'm not so sure. Has anyone tried this?
Here is the link.
http://forum.xda-developers.com/showthread.php?t=1634008
Sent from my SGH-I897 using XDA
I replied to you on the other thread:
FMAranda said:
I think it's the band frequency, I got this from Samsung's website:
P6200:
3G 900 / 1,900 / 2,100 MHz
P6200L:
3G 850 / 1.900 / 2.100 MHz
Here you can find more info:
P6200 http://www.samsung.com/my/consumer/mobile-devices/tablet/tablet/GT-P6200UWAXME-spec
P6200L http://www.samsung.com/latin_en/consumer/mobile-devices/tablets/galaxy-tab/GT-P6200UWLTPA-spec
Click to expand...
Click to collapse
So, the correct answer for the ATT network is the 6200L. Can you confirm?
scottb4u said:
So, the correct answer for the ATT network is the 6200L. Can you confirm?
Click to expand...
Click to collapse
Yes, the P6200L works with AT&T 3G and actually is the model sold on Amazon. I was looking on the AT&T Galaxy Tab 8.9 specs and it works with UMTS Triband,850/1900/2100MHz the same as P6200L.
http://www.samsung.com/us/mobile/galaxy-tab/SGH-I957ZKAATT-specs
Not even one merchant on Amazon has the 6200L. Each model is the straight up 6200! Show me where on Amazon I can get it!
and BTW. THIS is NOT a 6200L because I've already emailed the seller and asked. It is a mistake: amazon.com/Samsung-GT-P6200-P6200L-GALAXY-Tab/dp/B007I5E3IK Put a www in front of amazon for the link
Look at this comment from a guy who bought the tablet:
" I bought this tablet because I thought it was model GT-P6200 as that is what the title says. In reality, it was GT-P6200L which has a few important differences. The first is that it did NOT use 3G on the T-Mobile network. Maybe it does on other networks. Perhaps "Unlocked World Tablet PC" was the code-phrase that should have warned me. "
http://www.amazon.com/Samsung-GT-P6200-7-0-dual-core-Honeycomb/dp/B00746GVHY/ref=pd_cp_cps_0
I'll call them. And I don't care about T-Mobile, just ATT. But now I wonder: do they make a quad-band variant? One that does 850 & 900?
Yes, you should call because on that link you can see that the specs of 3G Bands are 850 / 1900 / 2100.
So, did you get the information if it is the P6200L?
I called T-Mobile, today. I have the 6200L. T-Mobile started offering unlimited 3G/4G for $20 a month, so I signed up. Turns out that I can only use Edge with this model when using T-Mobile. This is what the T-Mobile tech rep told me, anyway.
I read the info above this post, so I want to confirm. Does GT-P6200L work with 3G/4G using T-Mobile, or not? If so, I need to make some config change. If not, I have to find a new model of tablet to use. I am not going to go back into the dark ages and settle with Edge. Why on Earth would T-Mobile do this, anyway?
No, T-Mobile uses 1.700MHz for 3G right now, but it should work on the new 1.900MHz frequency that T-Mobile is deploying, that's because they want the iPhone to be compatible with their 3G. For now only some regions are covered by the 1.900MHz 3G, here you can read more: http://www.gsmarena.com/tmobile_usa_running_1900mhz_3g_in_some_areas_iphones_invited-news-3537.php
4G will never work since it's the LTE technology and our tablet doesn't support it.

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