[Q] Can GS 4G do TMo & ATT 3G? - Samsung Galaxy S (4G Model)

Hi, am leaving Sprint. Looking to get a used phone (no contract), that will work on monthly plans like TMo prepaid, Straight Talk (ATT)) w/out a contract. I'm reading good things about both the older Vibrant (SGH-T959), and the newer 4g (SGH-T959V). It's clear from my research that people are successuflly unlocking and able to go back and forth between TMo and ATT SIMs on the older Vibrant. What isn't clear to me is can this be done on the newer SGH-T959V?
Again, I don't care much about 4g. 3g on AT&T is fine. But while on TMo, the 4G would be nice.
Thanks!

diffdrummer said:
Hi, am leaving Sprint. Looking to get a used phone (no contract), that will work on monthly plans like TMo prepaid, Straight Talk (ATT)) w/out a contract. I'm reading good things about both the older Vibrant (SGH-T959), and the newer 4g (SGH-T959V). It's clear from my research that people are successuflly unlocking and able to go back and forth between TMo and ATT SIMs on the older Vibrant. What isn't clear to me is can this be done on the newer SGH-T959V?
Again, I don't care much about 4g. 3g on AT&T is fine. But while on TMo, the 4G would be nice.
Thanks!
Click to expand...
Click to collapse
U can use 4g on tmobile but on AT&T you can only use 2g/edge no 3g
Sent from my SGH-T959V using XDA App

Thanks Brandon. I will then pick up a used, older SGH-T959 (Vibrant), unlock it, and then enjoy the 3g flexibility of both ATT & TMo. It's strange, the T959V is supposed to support the same ATT 3g band as the regular T959, but I can't find proof of this anywhere.

diffdrummer said:
Thanks Brandon. I will then pick up a used, older SGH-T959 (Vibrant), unlock it, and then enjoy the 3g flexibility of both ATT & TMo. It's strange, the T959V is supposed to support the same ATT 3g band as the regular T959, but I can't find proof of this anywhere.
Click to expand...
Click to collapse
oh wait...i didn't know that the vibrant was able to get 3g on ATT ..maybe the sgs4g can support 3g on ATT too..i really don't know..i never knew the vibrant could

Both can use 3g
Sent from my SGH-T959V using XDA App

The captivate can only get edge on Tmobile
Sent from my SGH-T959V using Tapatalk

mbernusg said:
Both can use 3g
Sent from my SGH-T959V using XDA App
Click to expand...
Click to collapse
that's affirmative, i'm using it right now with 3G and is very fast

Yes, I also can confirm the 959V (T-Mobile 4g) is 3g on ATT and is very fast.

Not true...
brandond15 said:
U can use 4g on tmobile but on AT&T you can only use 2g/edge no 3g
Sent from my SGH-T959V using XDA App
Click to expand...
Click to collapse
I have SGS4G and am using ATT. I have 3G with no issues...

posted original question here by accident

I am using unlocked 4g on Cincinnati Bell wireless and the 3g works fine.
However I have not been able to get 4g at all on my phone. When I put a Tmobile sim in it works fine one 4g.
I get a little over 2 mbps download on Cincinnati Bell 3g.

You can just unlock it, I'm using mine on att right now. Only thing is you have a backup sync for T-Mobile instead of att.
Sent from my SGH-T959V using XDA App

Yes it can.
I tried my friend's AT&T sim card and it worked with 3G.

Hmm, has anybody gotten 4G on this phone with AT&T?

Does 4G work with an unlocked SGS 4G on AT&Ts network?

no.
Sent from my myTouch_4G_Slide using XDA App

3G on AT&T will only work one one of the two UMTS bands: 1900 MHz.
Note that the Vibrant 4G doesn't have the 850MHz band (the other band that AT&T uses for 3G data.)
I've seen a posting that there's a way to activate the 850MHz band, but I have not verified that this works. If anyone has got this working so you're working on both bands on AT&T with your Vibrant 4G, let me know.

As an addendum to my own post, looks like the consensus is that while the Vibrant has an option of selecting the 850MHz UMTS band, it actually doesn't enable anything:
forum.xda-developers.com/showthread.php?t=868478&page=2

Has anyone speed tested (w/ dual core tele) ST tmo?? Please share speed test results?? ..speed test (dual core) on Simple Mobile 4g plan appreciated too. I'm looking for these comparisons...Help please?
TIA!

Related

[Q] do Samsung Galaxy S 4G work on at&t 4G?

the title pretty much states my question, I am currently using unlock vibrant on at&t but i want to use the new galaxy 4g on at&t, does any 1 know if I will get 4g in USA or atleast in the west coast of USA for at&t or 3g?
danstheman7 is using a sgs4g on at&t. try pming him (lol. im not sure). he should know if its 3g or 4g
It works only on 3g and edge
Sent from my SGH-T959V using XDA Premium App
'tis 3G, but either way AT&T's HSPA+ is practically the same speeds as their 3G.
Pretty much no difference.
I tried using AT&T just after unlocking my SGS 4G. It doesn't show anything better than a 3G speed. From my experience, no you cannot get 4G on the west coast in AT&T

[Q] T-mobile 4g on At&t Samsung Infuse 4g

Is it possible to ever get T-Mobile 4g service on an unlocked Samsung Infuse 4g? I've tried every T-mobile APN setting. Anyone have suggestions ?
Nope, not possible. And wrong section.
I dont know how many times this question has been asked and with the same answer. Search before creating a new thread.
There's also a thread to ask questions. Just saying.
Sent from my SAMSUNG-SGH-I997 using XDA App
Sorry, and thnaks dudes appreciate it
AT&T UTMS/HSPA/HSPA+ bands: 850MHz, and 1900MHz, only one required to work.
T-Mobile UTMS/HSPA/HSPA+ bands: 1700MHz, and 2100MHz, both required to work.
Bands that Samsung Infuse 4G has: 850MHz, 1900MHz, 2100MHz.
Bands needed for Samsung Infuse 4G to work on T-Mobile 3G/4G: 1700MHz.
Is the Samsung Infuse 4G compatible with T-Mobile 3G/4G: No.
Longcat14 said:
AT&T UTMS/HSPA/HSPA+ bands: 850MHz, and 1900MHz, only one required to work.
T-Mobile UTMS/HSPA/HSPA+ bands: 1700MHz, and 2100MHz, both required to work.
Bands that Samsung Infuse 4G has: 850MHz, 1900MHz, 2100MHz.
Bands needed for Samsung Infuse 4G to work on T-Mobile 3G/4G: 1700MHz.
Is the Samsung Infuse 4G compatible with T-Mobile 3G/4G: No.
Click to expand...
Click to collapse
Only 2 small additions....
1. Know your network.
2. www.gsmarena.com or a similar site. Find the specs and compare.
Edit: and if possible, a mod lock or move, preferably both.
bedwa said:
Only 2 small additions....
1. Know your network.
2. www.gsmarena.com or a similar site. Find the specs and compare.
Edit: and if possible, a mod lock or move, preferably both.
Click to expand...
Click to collapse
I do know my network (or at least I think I do haha)
And yeah, you can always do that.
wow you're an idiot.. this phone doesnt support tmobile 3g/4g bands..
xavenged said:
wow you're an idiot.. this phone doesnt support tmobile 3g/4g bands..
Click to expand...
Click to collapse
There's no need to be rude, he was just asking, if he knew, he wouldn't ask.
What about telmex 5G network?
Sent from my SAMSUNG-SGH-I997 using XDA Premium App
ameza001 said:
What about telmex 5G network?
Sent from my SAMSUNG-SGH-I997 using XDA Premium App
Click to expand...
Click to collapse
You should probably "tell" the "mex"ican that there is no "5g".
i also picked up an at&t samsung infuse 4g...and i am searching for the best possible updates for this phone...will post here if i find something nice
its not that crazy of a question nowadays with carrier branded phones being so close to one another. you can actually flash a tmobile radio onto a skyrocket and have 4g hspa-dc through tmobile. but even if the infuse hardware was capable of tmobile bands (which it probably isnt), theres no tmobile version of the infuse inwhich to pull a radio. so the answer atleast for now is no.
I went seeing gtg post, but then I saw the timestamp and now I'm
Sent from my Samsung Infuse
Unlocked AT&T Samsung infuse does in fact support 3g network
Sent from my SAMSUNG-SGH-I997 using XDA
busybeebusy said:
i also picked up an at&t samsung infuse 4g...and i am searching for the best possible updates for this phone...will post here if i find something nice
Click to expand...
Click to collapse
Are you joking? Necrobumping a thread with an off-topic post?
Have you ever used the internet before?
Sent from my SGH-I997 using xda premium
BU113T said:
Unlocked AT&T Samsung infuse does in fact support 3g network
Sent from my SAMSUNG-SGH-I997 using XDA
Click to expand...
Click to collapse
But not 4G - different bands. (I think.)
Sent from my SGH-I997 using xda premium
it supports 2g not 3g. and since its only 4g hspa+, its the same bands as 3g.

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
Click to expand...
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!

Thunderbolt to New Cricket 4G LTE

There's is now 4G coverage in the Houston area.My thunderbolt is already fully flash 3G and stable. Want to enable 4G on this phone. Cricket says requires sim card to work. The only sim cards are with the new LG and Samsung S3 by cricket. I know this is possible by using a unlocked 4G cdma LTE phone with sim slot. Does anyone have a unlocked phone on 4G cricket successfully working!!!
willowtree001 said:
There's is now 4G coverage in the Houston area.My thunderbolt is already fully flash 3G and stable. Want to enable 4G on this phone. Cricket says requires sim card to work. The only sim cards are with the new LG and Samsung S3 by cricket. I know this is possible by using a unlocked 4G cdma LTE phone with sim slot. Does anyone have a unlocked phone on 4G cricket successfully working!!!
Click to expand...
Click to collapse
This is in the wrong thread. Verizon 4g will only work with Verizon. Verizon owns the entire 700mhz band that 4g functions off. This makes it so no other network can use Verizon's 4g
Sent from my ThunderBolt using Tapatalk 2
disconnecktie said:
This is in the wrong thread. Verizon 4g will only work with Verizon. Verizon owns the entire 700mhz band that 4g functions off. This makes it so no other network can use Verizon's 4g
Sent from my ThunderBolt using Tapatalk 2
Click to expand...
Click to collapse
I dont think this is true as verizon can still lease their spectrum to other carriers like Straight Talk to piggy back off their network. The biggest problem for him is going to get a non-approved 4g device on verizons network. Verizon does not want people taking flagship devices to other discount carriers. Networks like Cricket dont actually own any spectrum, they just lease it from the bigger carriers at a discount. But verizon only allows a select group of ESN's to connect to it, usually for crappier phones. Some people will go so far as to clone their ESN to get it to work, but that requires special tools developed for your phone and can be quite tricky.
RunNgun42 said:
I dont think this is true as verizon can still lease their spectrum to other carriers like Straight Talk to piggy back off their network. The biggest problem for him is going to get a non-approved 4g device on verizons network. Verizon does not want people taking flagship devices to other discount carriers. Networks like Cricket dont actually own any spectrum, they just lease it from the bigger carriers at a discount. But verizon only allows a select group of ESN's to connect to it, usually for crappier phones. Some people will go so far as to clone their ESN to get it to work, but that requires special tools developed for your phone and can be quite tricky.
Click to expand...
Click to collapse
Well its pretty obvious that Verizon isn't leasing any part of their lte spectrum since there isn't one single optional carrier that a Verizon 4g phone will work with.
Sent from my ThunderBolt using Tapatalk 2
Is it possible to unlock all GSM bands to but used with Cricket 4G LTE service?
A possible NV Edit is probably all that is required
If I installed any other Sim Card Tmobile for example you get sim card unknown error and no signal
This is being done on other Verizon 4G LTE phones where people doing NV SEEM edits and unlocking all GSM bands. Using with prepaid carriers like Simple Mobile
willowtree001 said:
Is it possible to unlock all GSM bands to but used with Cricket 4G LTE service?
A possible NV Edit is probably all that is required
If I installed any other Sim Card Tmobile for example you get sim card unknown error and no signal
This is being done on other Verizon 4G LTE phones where people doing NV SEEM edits and unlocking all GSM bands. Using with prepaid carriers like Simple Mobile
Click to expand...
Click to collapse
So far no one has managed to do this on the thunderbolt. Its not like other 4g phones and is the only one with svdo enabled.
Sent from my ADR6400L using Tapatalk 2
willowtree001 said:
Is it possible to unlock all GSM bands to but used with Cricket 4G LTE service?
A possible NV Edit is probably all that is required
If I installed any other Sim Card Tmobile for example you get sim card unknown error and no signal
This is being done on other Verizon 4G LTE phones where people doing NV SEEM edits and unlocking all GSM bands. Using with prepaid carriers like Simple Mobile
Click to expand...
Click to collapse
Can the bands the radio receives be changed by software? Isn't the radio physically limited to a range of frequencies?
Sent from my ThunderBolt using Tapatalk 2
I was pretty sure that the radio was locked in to stay at the 700mhz spectrum that Verizon owns. I wouldn't be the least but surprised if it were locked in using hardware as well.
Sent from my ADR6400L using Tapatalk 2
If memory serves, Cricket's LTE is courtesy of Verizon, I read it I think on Engadget a while back... Either way, it goes along with Verizon's Rural Coverage Plan to work with regional carriers to bring LTE to places where people would never expect it.
T-Mo works with AT&T phones because both are 1800Mhz or whatever for EDGE, so I would think if Sprint LTE is 700Mhz....
Sent from my Galaxy Nexus using xda app-developers app
jimmyco2008 said:
If memory serves, Cricket's LTE is courtesy of Verizon, I read it I think on Engadget a while back... Either way, it goes along with Verizon's Rural Coverage Plan to work with regional carriers to bring LTE to places where people would never expect it.
T-Mo works with AT&T phones because both are 1800Mhz or whatever for EDGE, so I would think if Sprint LTE is 700Mhz....
Sent from my Galaxy Nexus using xda app-developers app
Click to expand...
Click to collapse
Verizon owns the upper c block of the 700mhz spectrum. Read this.
http://www.phonescoop.com/articles/article.php?a=187&p=230
Sent from my ADR6400L using Tapatalk 2
jimmyco2008 said:
If memory serves, Cricket's LTE is courtesy of Verizon, I read it I think on Engadget a while back... Either way, it goes along with Verizon's Rural Coverage Plan to work with regional carriers to bring LTE to places where people would never expect it.
T-Mo works with AT&T phones because both are 1800Mhz or whatever for EDGE, so I would think if Sprint LTE is 700Mhz....
Sent from my Galaxy Nexus using xda app-developers app
Click to expand...
Click to collapse
I doubt Sprint is using 700 they are probably using spectrum they got from the nextel acquisition (not looking stupid now lol). And of Sprint was using 700 and the had an lte roaming agreement, which they don't, with Verizon..... sprint lte phones would be working in allot more places, which they aren't.
Sent from my ThunderBolt using Tapatalk 2
---------- Post added at 09:46 PM ---------- Previous post was at 09:31 PM ----------
http://m.networkworld.com/news/2012/012312-lte-spectrum-255122.html?page=2
If the info from the above article is correct you can see Sprint lte is not compatible with Verizon or ATT. In my searching I also found that apple made 3 different variants of the iPhone 5 with different lte frequency combinations.
http://www.wired.com/gadgetlab/2012/09/iphone5-lte-model/
Sent from my ThunderBolt using Tapatalk 2
willowtree001 said:
Is it possible to unlock all GSM bands to but used with Cricket 4G LTE service?
A possible NV Edit is probably all that is required
If I installed any other Sim Card Tmobile for example you get sim card unknown error and no signal
This is being done on other Verizon 4G LTE phones where people doing NV SEEM edits and unlocking all GSM bands. Using with prepaid carriers like Simple Mobile
Click to expand...
Click to collapse
those other Verizon 4g Lte phones, like the moto Bionic, have radios and antenna that support those GSM frequencies, and the engineering software tools to perform those tasks have been leaked.
Afaik, but I haven't looked in a while, after making those seem edits it unlocks Gsm/Edge for Att, T-Mobile and global roaming. I think it also enables hspa for Att but not T-Mobile due to frequencies the bionic's radio supports or doesn't support. It does not enable Lte for any other carrier.
its my understanding that the radio chips and antennas in the TB only support Cdma/Evdo and VZW's upper 700mhz block LTE
It also doesnt help that ril for the thunderbolt is closed source because of the svdo capabilities in it.
Sent from my ThunderBolt using Tapatalk 2
Anyone try getting/buying a sim card from cricket?
You would need a SIM for the phone to work at all, right, since it is needed for 3G and 1X on Verizon?
Sent from my Galaxy Nexus using xda app-developers app
jimmyco2008 said:
You would need a SIM for the phone to work at all, right, since it is needed for 3G and 1X on Verizon?
Sent from my Galaxy Nexus using xda app-developers app
Click to expand...
Click to collapse
The sim would be needed for 4g to work. Cricket will provide you with a sim but you will still only get 3g because they can't get Verizon's 4g signal.
Sent from my ADR6400L using Tapatalk 2
But my phone doesn't work at all without a SIM, is it different for cricket?
Sent from my Galaxy Nexus using xda app-developers app
I think to use the phone with cricket you will have to have the sim but still won't be able to use 4g.
Sent from my ADR6400L using Tapatalk 2
Quick Question
"There's is now 4G coverage in the Houston area.My thunderbolt is already fully flash 3G and stable. Want to enable 4G on this phone. Cricket says requires sim card to work. The only sim cards are with the new LG and Samsung S3 by cricket. I know this is possible by using a unlocked 4G cdma LTE phone with sim slot. Does anyone have a unlocked phone on 4G cricket successfully working!!!"
If you don't mind, I was hoping you might be able to tell me how you flashed your thunderbolt to Cricket. I have tried many times unsuccessfully, and to be honest I'm absolutely stuck. I'd appreciate any and all help I can find. Thank you so much Have a wonderful day!
,
Dave

[Q] WIlling to buy a friends´s Blaze for cheap. How can I get 3G using At&t?

Hello, a friend of mine of selling a mint Blaze at a great price. Phone is unlocked and I have service with At&t. However, when I insert the sim only get Edge. Is there any way to flash At&t radios to the blaze? I did search before opening a new thread,,, but wasn´t able to get the info I need.
Any help would be very appreciated!
Thanks!
Nope...edge only
Sent from my SAMSUNG-SGH-T769 using xda app-developers app
Are you sure? my wife uses the Tmobile s3 with Att and gets 3g. could be this phone runs different frequency's?
Sent from my SAMSUNG-SGH-T769 using xda app-developers app
He's wrong. It'll run on their H+ network, but that's all. However ATT's H+ mind you is very congested in a lot of places (NYC especially), but it will run.
tzvblsm said:
Are you sure? my wife uses the Tmobile s3 with Att and gets 3g. could be this phone runs different frequency's?
Sent from my SAMSUNG-SGH-T769 using xda app-developers app
Click to expand...
Click to collapse
It has multiple bands right?
iSkylla said:
He's wrong. It'll run on their H+ network, but that's all. However ATT's H+ mind you is very congested in a lot of places (NYC especially), but it will run.
Click to expand...
Click to collapse
So, At&t adopted hspa for T-Mobile
Sent from my SAMSUNG-SGH-T769 using Tapatalk 4 Beta
Your right its really bad in NYC.
Sent from my SAMSUNG-SGH-T769 using xda app-developers app
Why are you not using T-Mo? Bad in brooklyn?
Should be able to get hspa+ flash a at&t skyrocket radio fix your apn,
I know it works when using T-Mobile on at&t phones I just flashed T-Mobile radios fixed apn got hspa+ speeds, should work vice versa
Edit: heres some at&t radio's that can be flashed http://forum.xda-developers.com/showthread.php?t=2270071
I have a Blaze running on NET10 using the AT&T sim card. I can achieve H+ with it, and from time to time it shows me 3G then goes to H+ real quick.
I am able to get (depending on where I am here in Central Indiana) 1-2Mbps with H+ and in other areas I get 12Mbps with H+. Here at the house I show H+ with 3 bars right now and get 1.75Mbps down and 0.42Mbps with a ping of 148ms to a speed test site just 16 miles up the road.
I do have to say it is much better then Tmobile here, I was lucky to get 0.17kbps either way on Edge.
I can tell you that it will help you if you go into your settings and select mobile networks then mobile operators and set yourself to AT&T Network only, let me know if this helps any, it did for me. It has kept me from trying to hit Tmobile towers since I am on NET10 which uses both tmobile and att.

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