Sony Xperia Z1 Compact - Will it work with AT&T if it is unlocked?

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Teacher

Sony Xperia Z1 Compact - Will it work with AT&T if it is unlocked?

I see the new Z1 Compact phone was announced as being exclusive to T-Mobile in the US. Since T-M and AT&T are both GSM, will the T-Mobile Z1c work with AT&T (GoPhone) if it is unlocked?

Was thinking about joining GoPhone but would really like to have this and/or the S4 Mini (separate thread) as an option.

Message 1 of 20 (30,124 Views)
Employee

Re: Sony Xperia Z1 Compact - Will it work with AT&T if it is unlocked?

Hi Tmann202,

 

Based off the specs on the Sony Website, it will work on our network.

 

However a few notes - It does have the correct LTE bands to work on AT&T's LTE network (2 and 4), but we also use band 17 as well, which this device does not support.

 

UMTS (3G/HSPA+) access should be fine as the device supports our bands (850/1900).

 

You may need to program your APN settings into the device manually.

 

You can see all of our great GoPhone Plans by visiting Here

 

Hope this helps!

Employee Contributor*
*I am an AT&T employee and the postings on this site are my own and don't necessarily represent AT&T's position, strategies or opinions.
Message 2 of 20 (30,115 Views)
Teacher

Re: Sony Xperia Z1 Compact - Will it work with AT&T if it is unlocked?

Thanks. How would not having band 17 affect coverage. For instance, is it used only in certain regions? If so, do you know where?

Message 3 of 20 (30,090 Views)
Tutor

Re: Sony Xperia Z1 Compact - Will it work with AT&T if it is unlocked?

Good question.  What's the importance of band 17, and which areas would this be more important?

Message 4 of 20 (29,187 Views)
Contributor

Re: Sony Xperia Z1 Compact - Will it work with AT&T if it is unlocked?

my question is this, i have tried to research a sony phone for the last year or so and have not been able to get a straight answer from sony and forums out there. This is so frustrating because i get several different answers about which sony phone will work with att while getting 4g lte. I wamnt the sony z1 compact when it somes out, i already have att service and just need to know will it work with att and receive 4g service is the us area (philly). If not i will just stick with what i have for now. I know the 6903 and 6906 z1 will work, that is what im being told. I appreciate your input with this.

 

steve

Message 5 of 20 (28,429 Views)
Contributor

Re: Sony Xperia Z1 Compact - Will it work with AT&T if it is unlocked?

I would like an answer to this too. It seems like we are completely covered for EDGE/HSPA+/LTE except LTE band 17. I am in the Portland, Oregon area and would like to know if band 17 is utilized here.

 

Thanks!

Message 6 of 20 (24,419 Views)
Contributor

Re: Sony Xperia Z1 Compact - Will it work with AT&T if it is unlocked?

Just thought I'd add what I found online:

 

"AT&T* announced in an 8-K filing today that it has agreed to acquire spectrum in the 700 MHz B band from Verizon Wireless for $1.9 billion in cash and Advanced Wireless Services (AWS) spectrum licenses in several markets, including Phoenix, Ariz., Los Angeles and Fresno, Calif. and Portland, Ore.

The 700 MHz licenses to be acquired by AT&T cover 42 million people in 18 states — California, Colorado, Florida, Idaho, Illinois, Louisiana, Montana, New Mexico, New York, Ohio, Oklahoma, South Dakota, Tennessee, Texas, Utah, Virginia, Washington and Wyoming."

 

700Mhz equates to LTE band 17, so this should help understand the impact.

Message 7 of 20 (24,415 Views)
Tutor

Re: Sony Xperia Z1 Compact - Will it work with AT&T if it is unlocked?

I just bought the Z1 compact from Taiwan last week and back to Calif this week, I inserted my AT&T sim into it and no data service at then, so I took it to the AT&T local store to have the APN reprogramed and data activated, I saw the LTE came on the screen immediately, it works perfectly without the band 17 (LTE band 700), but you still need to be aware that location does matter, in some location you will only see the "H" (HSPA) and other location shows "LTE", AT&T LTE coverage is not as good as Verizon as we all know it. I am very happy about the result and will keep it and sell my huge LG-G2 phone.

Vince
Message 8 of 20 (23,885 Views)
Contributor

Re: Sony Xperia Z1 Compact - Will it work with AT&T if it is unlocked?

HI Vince
I need a huge favor, can you tell me exactly how the APN setup was?? (name, APN, Proxy..etc), i would hugely appreciate it.
I spent 4 hours with the tech support for AT&T plus an hour at the store, to get the HSPA working but i still cannot get the multimedia through sms working??!!! i still can send messages and receive them but i cannot send any pic neither receiving it!!!!??
Thank you in advance.
Message 9 of 20 (23,276 Views)
Tutor

Re: Sony Xperia Z1 Compact - Will it work with AT&T if it is unlocked?

Sorry for the delay since I am not on this forum all the time.... I also have a spared AT&T LG G2 unlocked LTE 4G phone when I took my Sony Z1 compact to the local AT&T store for help. I really can't and unable to answer your question in detail, I can tell you this, the AT&T store service rep spent about half an hour on her iPad searching for some info then went back to my Sony "Setting-More-Mobile network settings-Access Point Names-APNs" and did all the data entry there, at first, it didn't work, then she decided to use my LG G2's IMEI instead of the one from Sony, then the AT&T network accepted and the LTE signal came on immediately. My SMS, internet, email and multimidia are all working, as I said, this Sony is lack of LTE Band 17 (LTE 700), therefore, in some area you only gets the H+ (HSPDA) signal, in some area you do get the LTE 4G signal here in Northern Calif. I guess it all depends on which AT&T store service rep you talk to regards this APN setup. Good luck. 

Message 10 of 20 (23,032 Views)
Tutor

Re: Sony Xperia Z1 Compact - Will it work with AT&T if it is unlocked?

Tcharfa, I think that I can provide the Sony Z1 Compact APNs setting that AT&T store rep set for you:

 

Name - AT&T Phone

APN - Phone

Proxy - Not set

Port - Not set.

User Name - Not set.

Password - Not set.

Server - Not set.

MMSC - http://mmsc.mobile.att.net

MMS proxy - proxy.mobile.att.net

MMS port - 80

MCC - 310

MNC - 410

Authentication type - None

APN type - mms,default,supl

APN protocol - IPv4

APN roaming protocol - IPv4

Bearer - Unspecified

MVNO type - None

 

OK, That's it, now anyone who has the Sony Z1 Compact can just copy the above info and setup your APN to the same and you will get AT&T LTE 4G network, again it still depends on the AT&T LTE 4G coverage area specific in your area. Good luck.

Message 11 of 20 (22,750 Views)
Contributor

Re: Sony Xperia Z1 Compact - Will it work with AT&T if it is unlocked?

i have the z1 compact. and att disabled lte on me. so do not call.

I wished i found this apn info.

when i called they removed my old phone from the system and when they tried to get the imei in to the system they couldn't put it in without removing the lte data plan.

so they got me back to the regular datapro.

 

 

Message 12 of 20 (22,664 Views)
Contributor

Re: Sony Xperia Z1 Compact - Will it work with AT&T if it is unlocked?

Hello,

you seem to know what your talking about, i have a sony z1 c6906 and it works great. I get 4g lte and all is well. I want the Z1 compact but i just would like to know yes or no if im going to get 4g lte or not. I have been reading some people say yes and some say no. I basically want to know should i get this phone??? if i cant get LTE in the us a then i will hjust forget about the phone. I appreciate your input.

Steve
Message 13 of 20 (21,132 Views)
ACE - Expert

Re: Sony Xperia Z1 Compact - Will it work with AT&T if it is unlocked?

[ Edited ]

stevenk311111 wrote:
Hello,

you seem to know what your talking about, i have a sony z1 c6906 and it works great. I get 4g lte and all is well. I want the Z1 compact but i just would like to know yes or no if im going to get 4g lte or not. I have been reading some people say yes and some say no. I basically want to know should i get this phone??? if i cant get LTE in the us a then i will hjust forget about the phone. I appreciate your input.

Steve

Steve,

 

the currently available Z1 compact (model D5503) will not have full LTE support on AT&T as it's missing the LTE band 17 that AT&T uses (noted by many other posts in this thread). Judging by the numbering scheme of recent Xperia phones the US model (if ever released) would be model D5506 and will be fully compatible with AT&T LTE. I can't find any references to such model being in existence though Smiley Sad

*The views and opinions expressed on this forum are purely my own. Any product claim, statistic, quote, or other representation about a product or service should be verified with the manufacturer, provider, or party.
Message 14 of 20 (21,129 Views)
Contributor

Re: Sony Xperia Z1 Compact - Will it work with AT&T if it is unlocked?

OK GOOD NEWS to anyone who is struggling whether to get a z1c due to LTE compability. 

 

I just received my Xperia Z1 Compact D5503, purchased from eBay, it's a unlocked international model. I plug my sim card in, and only got four bars with no Edge, HSPA, or LTE displayed. I went to APN setting, and it was blank. So I follow the previous post in this forum and input all the APN setting entry manually, as soon as I hit "Save" and the blue dot to enable this APN setting, the LTE icon poped out right away. So if anyone is worried if z1c will have LTE or not, yes it will have, at least in Southern California it will. 

 

Now, to the friend who says he couldn't get picture message through, you need to make sure you have "mms" in the APN Type field. 

 

Some Z1c (very rare) will automatically download the ATT apn setting to their phone, but most cases you need to input them manually. 

 

Let me know if you have any question.

Message 15 of 20 (19,548 Views)
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