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I started with a working iphone 4 on AT&T. Two weeks ago I went crazy and bought an AT&T Galaxy S II off of ebay. I popped in my micro sim (using adapter) and it works great! I have constant hsdpa+ service even in some pretty rural areas!
In any case, I was having so much android fun that I decided to buy an unlocked Motorola XT910 to try it out. So far, not so good. Using the same sim that works in both my iphone and gs2 will not connect to AT&T's data network. I have 4-5 bars of signal, but I seen no letter network indicator (may be normal, I don't know) and network apps report 'no data connection found'.
So, is there some secret or trick I need to do to this XT910 to make it work with AT&T? I'm new to this forum and android in general, so please forgive me if I'm doing something totally stupid. Thanks!
The RAZR XT910 supports GSM 850/900/1800/1900 and W-CDMA 850/900/1900/2100 so it should work with AT&T...
Did you set the APN up correctly?
Razr XT910
You need to manually add the AT&T APN under network settings. Google APN settings for AT&T and it should work.
Make sure your APN settings is correct.
Sent from my GT-I9100 using xda premium
I will try that tonight when I get home and let you know how it works. Thanks!
You guys are great! I setup everything based on what I found on a google search and now everything is working great. The Razr is actually a little faster on HSPA+ than the Galaxy S2. The max speeds I got on speedtest.net are:
Galaxy S2: 3487 D/L 1129 U/L
Razr: 3909 D/L 1101 U/L
Thanks again!
Hey guys,
New member here looking to do the same as resotek and try to set up a droid razr for at&t.
Resotek, or anyone if you could help me out...after adding the APN settings for at&t does everything work meaning internet, pic messages, wifi, etc
Thanks in advance
I've never seen HSPA+ on my xt910, only HSPA with ATT. I have the standard wap.cingular apn. Is there something special you have to do with apn settings to get HSPA+?
dlaska said:
Hey guys,
New member here looking to do the same as resotek and try to set up a droid razr for at&t.
Resotek, or anyone if you could help me out...after adding the APN settings for at&t does everything work meaning internet, pic messages, wifi, etc
Thanks in advance
Click to expand...
Click to collapse
Yes, the phone works like a champ and I have no known issues. Check your PM.
Cheers,
resotek
I'm also getting an xt-910 and I just want to make sure I use the right apn settings. Will I use the ATT ptt settings, like for a Samsung Infuse or can I use the apn settings for a Samsung Skyrocket?? Looking at the bands the phone supports I think I need to use the same settings as the Infuse but I just want to check.
Sent from my SAMSUNG-SGH-I727 using XDA App
Bumpskies.
Just looking for some confirmation of the correct apn.
Also, can I just cut my Skyrocket sim and use that or do I need to get a micro sim from att?
Thank You
Sent from my SAMSUNG-SGH-I727 using XDA App
IamEli said:
Bumpskies.
Just looking for some confirmation of the correct apn.
Also, can I just cut my Skyrocket sim and use that or do I need to get a micro sim from att?
Thank You
Sent from my SAMSUNG-SGH-I727 using XDA App
Click to expand...
Click to collapse
u can cut it, but i bought a SIM card puncher From Amazon that did a perfect job. i kept the punched off piece to place around the new micro sim to use in my other phones.
www.amazon.com/Noosy-Cutter-MicroSim-Adapter-iPhone/dp/B00419V4L0
Thanks for the response about the sim card. I figured as much about a cutter, I just didn't want to buy a cutter for one sim. But it's not expensive so I may just spring for it haha
sigh ;(
bought the xt912 without realizing and now im searching and searching with no luck to unlock it...any one figure out if theres a way?
thanks
So a Verizon Razr won't work like this or what would have to be done if anything? Looking to buy one to use on AT&T
bookmonke said:
So a Verizon Razr won't work like this or what would have to be done if anything? Looking to buy one to use on AT&T
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Click to collapse
i dont think the verizon razr (xt912) will work but the global one (xt910) should be good to go.
For the xt910 you just put in the ATT APN settings and your good
I'm on the Att network and mine (xt910) is working fine, works much better after I called Att and gave them the imei number?
Since I came from using a SGS2...but yes it works!
Sent from my XT910 using xda premium
Don't usually post since I am Moto employee, but you guys should know - there is no difference between 910 and 912 aside from SW. I can take a VZ retail device out of box, flash with a GSM AP and pop in an AT&T SIM (using now)
Sent from my XT912 using xda premium
intonation said:
Don't usually post since I am Moto employee, but you guys should know - there is no difference between 910 and 912 aside from SW.
Click to expand...
Click to collapse
No differences? So my XT910 AsianRetail also has LTE radio?
Sent from my XT910 using XDA
intonation said:
Don't usually post since I am Moto employee, but you guys should know - there is no difference between 910 and 912 aside from SW. I can take a VZ retail device out of box, flash with a GSM AP and pop in an AT&T SIM (using now)
Sent from my XT912 using xda premium
Click to expand...
Click to collapse
Im guessing the same for the d3 xt860 y VZ xt862
Enviado desde mi XT862 usando Tapatalk
This might be a dumb question but I haven't been able to find an answer. Is it possible to use a 4g sim card (AT&T or T-Mobile) on an unlocked Samsung vibrant? My vibrant is currently rooted running CNA 3.6.5 with KA7 modem. Anyone?
Edit: Never mind, I'm pretty sure I found a post that says its not possible.
Just to clear something up, the sim card has nothing to do with the data speed.
Sent from my SGH-T959 using xda premium
Can someone please help me out? I'm using a bell lte SIM card, however, I have no problems getting gsm on Verizon roms (phone doesn't support bell lte). The reason I want a gsm rom is because the verizon roms dont have functioning mms with my provider.
When I use a gsm Rom I get "SIM card not found".when trying to enter my apn settings. Tweaker apn doesn't work either.
What can I do?
Sent from my HTC6435LVW using xda app-developers app
r0nz3y said:
Can someone please help me out? I'm using a bell lte SIM card, however, I have no problems getting gsm on Verizon roms (phone doesn't support bell lte). The reason I want a gsm rom is because the verizon roms dont have functioning mms with my provider.
When I use a gsm Rom I get "SIM card not found".when trying to enter my apn settings. Tweaker apn doesn't work either.
What can I do?
Sent from my HTC6435LVW using xda app-developers app
Click to expand...
Click to collapse
Is this for all gsm ROM? Which specifically?
Also in the future please post this in q&a not development.
Sent from my HTC6435LVW using xda app-developers app
I've used viper, nos, and some other gsm roms.
the same here, i work with the lrs 5.0 and i have that issue too. in my specific case the phone works great over 3 and 4 days an then the network gets offline, i need to reset it 3 or 4 times to get again signal any suggest?
Is there a way I can get my Verizon S4 to work with a Straight Talk AT&T SIM card?! Please say yes, so I can get rid of this expensive A$$ bill?!
Sent from my iPad using Tapatalk HD
killdawabbit said:
Is there a way I can get my Verizon S4 to work with a Straight Talk AT&T SIM card?! Please say yes, so I can get rid of this expensive A$$ bill?!
Sent from my iPad using Tapatalk HD
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Click to collapse
Yes I'm using my at&t straight talk sim on the verizon s4 and it works great!
Is there anything special I have to do with my phone? When I order the sim card from straight talk it won't let me select the cdma option so, should I just select gsm as if I have a AT&T Galaxy S4?
Sent from my SCH-I545 using xda app-developers app
killdawabbit said:
Is there anything special I have to do with my phone? When I order the sim card from straight talk it won't let me select the cdma option so, should I just select gsm as if I have a AT&T Galaxy S4?
Sent from my SCH-I545 using xda app-developers app
Click to expand...
Click to collapse
CDMA does not use SIM cards. The S4 is a CDMA/GSM/LTE device. AT&T is a GSM network.
You might have to edit the APN settings to use Straight Talk.
killdawabbit said:
Is there anything special I have to do with my phone? When I order the sim card from straight talk it won't let me select the cdma option so, should I just select gsm as if I have a AT&T Galaxy S4?
Sent from my SCH-I545 using xda app-developers app
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Click to collapse
The Verizon S4 is a CDMA phone AND a GSM phone. I believe they made it this way so you can go to about any other country in the world and still use your phone - or it was just cheaper to mass produce the radios with everything in it.
Anyway the only thing to change is the APN settings to
Name=Straight Talk
APN=att.mvno
Proxy=proxy.mvno.tracfone.com
Port=80
MMSC=http://mmsc.cingular.com
MMS proxy=mms2.tracfone.com
works perfect. However I did just find a small problem. I have flashed both cyanogenmod and Liquidsmooth AOSP ROMS and they do not work with at&t ST sim - when I call the phone it does not answer or register the call at all. Not sure what the problem is, seems like for some reason it is not registering with the at&t network. Trying to find a fix. However, the phone has worked fine with all TW based ROMS I've tried.
Ok thanks for the information but I have one more question... I am rooted with Clean Rom 1.5, do I have to unroot my phone? Will I still be able use wife tether or foxfi? I heard AT&T took foxfi away.
Sent from my SCH-I545 using xda app-developers app
Oops just saw that you messaged me - yes just choose GSM. You do not have to unroot your phone but like I said in the last post - I cannot get AOSP roms to receive or make calls - data works - but not phone calls - which is rather strange and I'm sure can be fixed but nothing I have tried seems to work.
GSM is fine but in reality once you get the right LTE bands turned on, would it be better in global?
Sent from my SCH-I545 using XDA Premium 4 mobile app
What kind of data do you see on AT&T? HSPA+? 3G? 2G?
Will AT&T's micro sim work in my Verizon S4 and still function the same? My S4 is MDK base.
Sent from my Hyperdriven S4Core XDA app
obviousfrog said:
Will AT&T's micro sim work in my Verizon S4 and still function the same? My S4 is MDK base.
Sent from my Hyperdriven S4Core XDA app
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Yes, you might have to add the AT&T APN though.
Will i have to flash any different kernels or factory restore my phone or ODIN back to stock? Or can I just insert the micro sim and it will be on At&t? Also, what is the APN i have to enter?
Sent from my Hyperdriven S4Core XDA app
obviousfrog said:
Will i have to flash any different kernels or factory restore my phone or ODIN back to stock? Or can I just insert the micro sim and it will be on At&t? Also, what is the APN i have to enter?
Sent from my Hyperdriven S4Core XDA app
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Click to collapse
Im pretty sure you can just pop the sim card in and go, a search for galaxy s4 apn settings ATT in google should get you the answer on the other. A buddy of mine just switched to ATT and popped the sim in, and did not have to do anything, but YMMV.
You will get hspa+ and the apn I used on the dna to test it was apn name hspa or att and apn: phone. That was it. Make sure the network mode is on gsm
Sent from my SCH-I545 using XDA Premium 4 mobile app
I am using mine on At&t ... ive had a few issues. 1st, the apn works fine for data but I never got mms working. I did get mms working using go sms pro and having it use its own MMSC settings (same as what I set in the apn settings). 2nd, im on ME7 firmware and I can get a # sign at command prompt but have failed to be able to get supersu and permaroot. This means I havent been able to get to tje secret menu to turn on lte bands 4 and 17. But theoretically should be able to support LTE.
Anyone else have similar issues?
Sent from my SCH-I545 using XDA Premium 4 mobile app
Another issue I have is the incoming caller id doesnt include the 1 but it does include the + ... which is an invalid dialing combination when calling back a number. Anyone know a setting change for that
Sent from my SCH-I545 using XDA Premium 4 mobile app