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  1. Thread Author  Thread Author    #1  
    Bkr11's Avatar

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    Default Sony Xperia Z1s on AT&T - anybody tried it yet?

    I'm currently on AT&T and pretty happy with both it and my Lumia 1020. There are a few times, however, where I wouldn't mind having a second phone running Android (I came from a Droid Razr on Verizon). It would seem the Z1s would be a great option due to phenomenal battery life, good quality camera and waterproof, but obviously it isn't carried by AT&T.

    Since I'm not ready to move my entire family from AT&T to T-Mobile for this phone it seems the only way (right now) that I can get a Z1s is to purchase an unlocked T-Mobile variant. Has anybody tried this? I read somewhere as long as the model ends in XXX6 that it should be able to handle the AT&T 4G network. Any insights into when the unlocked version would be available? Any other things I should take into account?

    Thanks.
  2. #2  
    Ukyo's Avatar

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    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    Quote Originally Posted by Bkr11 View Post
    I'm currently on AT&T and pretty happy with both it and my Lumia 1020. There are a few times, however, where I wouldn't mind having a second phone running Android (I came from a Droid Razr on Verizon). It would seem the Z1s would be a great option due to phenomenal battery life, good quality camera and waterproof, but obviously it isn't carried by AT&T.

    Since I'm not ready to move my entire family from AT&T to T-Mobile for this phone it seems the only way (right now) that I can get a Z1s is to purchase an unlocked T-Mobile variant. Has anybody tried this? I read somewhere as long as the model ends in XXX6 that it should be able to handle the AT&T 4G network. Any insights into when the unlocked version would be available? Any other things I should take into account?

    Thanks.
    AFAIK, the Z1s is a Tmo exclusive and made specifically for Tmo and its frequency bands. I'm sure it'll run on ATT but even if it supports some of ATT's LTE bands, depending on your area, those bands may not be in use. I could be wrong though but you can google the specs. I bought the phone outright and using the prepaid 5GB plan. After 40 days and paying at least $50 per their unlocking policy, I plan on unlocking and trying it on ATT. I won't know until then how it'll run on ATT.
  3. #3  
    Quantify's Avatar

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    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    This is my plan as well. T-Mobile service is vastly better in nj than it used to be...but I'll put the phone on at&t as soon as I can.

    Sent from my C6916 using Tapatalk
  4. #4  

    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    I bought the Z1s from t-mobile contract free on 1/22 and bought an unlock code online. Took a few days to receive the code but all's well on AT&T. LTE works great and I actually get better reception than my G2. Hope that helps!
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    Bkr11 
  5. #5  
    mookster's Avatar

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    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    I don't know about the AT&T LTE, but when I go into roaming areas, I pick up AT&T networks and things keep chugging along. I do pick up AT&T 4G, which is the HSPA if I remember correctly.
  6. #6  

    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    So I can buy this phone out right and buy a unlock code and use this phone on att and get LTE with att?
  7. #7  
    Ukyo's Avatar

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    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    Quote Originally Posted by skullfreak View Post
    So I can buy this phone out right and buy a unlock code and use this phone on att and get LTE with att?
    Sounds like it. Just know it's 560 or so and not 528. The 528 amt is with a plan. Not sure how much the unlock code is as that varies greatly depending on where u order it from but if someone said they got it unlocked then u should be able to.
  8. #8  
    daddyd302's Avatar

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    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    Quote Originally Posted by Ukyo View Post
    AFAIK, the Z1s is a Tmo exclusive and made specifically for Tmo and its frequency bands. I'm sure it'll run on ATT but even if it supports some of ATT's LTE bands, depending on your area, those bands may not be in use. I could be wrong though but you can google the specs. I bought the phone outright and using the prepaid 5GB plan. After 40 days and paying at least $50 per their unlocking policy, I plan on unlocking and trying it on ATT. I won't know until then how it'll run on ATT.
    T-Mobile charges $50 to unlock your phone?????????? I thought it was free since you own your phone when you paided it off.
  9. #9  

    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    Quote Originally Posted by randaddy#AC View Post
    I bought the Z1s from t-mobile contract free on 1/22 and bought an unlock code online. Took a few days to receive the code but all's well on AT&T. LTE works great and I actually get better reception than my G2. Hope that helps!
    Are you still seeing LTE on AT&T with your Z1s? I am very interested in doing the unlock thing as well. However I want to be 100% sure the Z1s will work flawlessly on ATT. Thanks.

    Posted via Android Central App
  10. #10  

    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    Quote Originally Posted by doublestack1 View Post
    Are you still seeing LTE on AT&T with your Z1s? I am very interested in doing the unlock thing as well. However I want to be 100% sure the Z1s will work flawlessly on ATT. Thanks.

    Posted via Android Central App
    Yes, seeing the same LTE coverage as my AT&T LG G2. The Z1s uses the same LTE bands as AT&T (4 and 17 I believe) in North America. So you shouldn't have any LTE coverage issues.
  11. #11  

    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    Quote Originally Posted by skullfreak View Post
    So I can buy this phone out right and buy a unlock code and use this phone on att and get LTE with att?
    That's what I did, was gonna get the C6906 which also works with ATT LTE but I was worried about warranty problems since Sony doesn't sell that model here.
    All you have to do is add the ATT APN under network settings and you're good to go. LTE, MMS, and voice all works just like any other AT&T device.

    Quote Originally Posted by daddyd302 View Post
    T-Mobile charges $50 to unlock your phone?????????? I thought it was free since you own your phone when you paided it off.
    T-Mobile will only give you the unlock code for free when you meet these 3 requirements:
    Account holder requesting the unlock code has no holds/overdue bills on the account, and has been a customer for at least 40 days.
    Phone has been used on a T-mobile network for at least 7 days (doesn't have to consecutive, 1 call a day is sufficient) .
    You can provide proof the phone has been paid in full.

    Source: My room mate is a T-mobile customer and we tried to get my Z1s unlocked by T-mobile using his sim card.

    This was a hassle for me so I paid $40 for the unlock code online. Sony unlock codes are harder to find/generate so it may take up to 5 business days to receive yours from your unlock code vendor of choice.
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  12. #12  

    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    Quote Originally Posted by randaddy#AC View Post
    That's what I did, was gonna get the C6906 which also works with ATT LTE but I was worried about warranty problems since Sony doesn't sell that model here.
    All you have to do is add the ATT APN under network settings and you're good to go. LTE, MMS, and voice all works just like any other AT&T device.



    T-Mobile will only give you the unlock code for free when you meet these 3 requirements:
    Account holder requesting the unlock code has no holds/overdue bills on the account, and has been a customer for at least 40 days.
    Phone has been used on a T-mobile network for at least 7 days (doesn't have to consecutive, 1 call a day is sufficient) .
    You can provide proof the phone has been paid in full.

    Source: My room mate is a T-mobile customer and we tried to get my Z1s unlocked by T-mobile using his sim card.

    This was a hassle for me so I paid $40 for the unlock code online. Sony unlock codes are harder to find/generate so it may take up to 5 business days to receive yours from your unlock code vendor of choice.
    Thank you. Seems like the best method next to ordering the 6906 from Sony.

    Posted via Android Central App
  13. Thread Author  Thread Author    #13  
    Bkr11's Avatar

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    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    Thank you very much for the information randaddy. Hope to pick one up the same way you did shortly. Do you mind letting me know the name of the seller (either post or PM) of the code. I saw one on eBay (UK based I believe) who I was going to go through.
  14. Thread Author  Thread Author    #14  
    Bkr11's Avatar

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    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    Sweet - it worked. Unlocked and rocking out on AT&T...with their great new data plan prices to boot. Going in and setting the APN information was key - no joy for data without this. Glad you posted that above because I was at a loss for while. Thanks again randaddy...
  15. #15  
    daddyd302's Avatar

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    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    You guys got any speedtest results on AT&T? Fastest I could get on T-Mobile was 24M down and 7M up. On my Ipad mini retina which I use AT&T for I got 66M down and 20M up.
  16. #16  
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    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    What are the apn settings you used or where did you find them I want to do this to thanks for your help
  17. Thread Author  Thread Author    #17  
    Bkr11's Avatar

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    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    The first settings I used were cingular based and didn't work perfectly...I had intermittent losses of data all day today. About an hour ago I switched to the following and haven't noticed a loss of data. Will report back later if it isn't good.

    NAME: ATT Phone
    APN: phone
    Proxy: (not set)
    Port: (not set)
    Username: (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: default,mms,supl,hipri,fota
    APN protocol: IPv4
    Bearer: Unspecified
  18. Thread Author  Thread Author    #18  
    Bkr11's Avatar

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    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    Just downloaded Ookla Speedtest. Got 18.79 down and 7.20 up on AT&T. Never ran it on T-Mobile...if I put my prepaid card back in later I'll try to do that.
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  19. #19  
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    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    Where did you go to get your unlock code and how fast was it. I am traveling tomorrow, so need a code fast...
    Thanks,
    nick
  20. #20  
    Ukyo's Avatar

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    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    Quote Originally Posted by nickywaldo View Post
    Where did you go to get your unlock code and how fast was it. I am traveling tomorrow, so need a code fast...
    Thanks,
    nick
    Besides getting direct from Tmo, nobody can give u with a day but you can try various unlock sites. One may be able to unlock while you're traveling.
  21. #21  

    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    I can confirm this works perfectly with att LTE. Bought the phone outright, bought an unlock code online, popped in att Sim, entered unlock code and simply copied my APN settings to the new phone.

    Speed test shows 38 down in north Chicagoland. Awesome phone.
  22. #22  

    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    Looking to purchase this model as well, can anyone provide the model number... is it the 6916, 6906...? Thanks!
  23. #23  
    05GT's Avatar

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    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    It's 6916.

    - 13.3 MBP Retina
    - Verizon HTC M8
    - Verizon iPhone 5s | 128GB iPad Mini Retina
    - Galaxy Tab S 10.5
  24. #24  

    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    Hey all,
    I've recently purchased a Z1s (c6916) and have it unlocked. I'm trying to get it to work on AT&T's network but the phone isn't recognizing the sim, could this be a hardware issue?
  25. Thread Author  Thread Author    #25  
    Bkr11's Avatar

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    Default Re: Sony Xperia Z1s on AT&T - anybody tried it yet?

    Mine worked fine, so I'd say possibly. Are you sure it unlocked properly? I'd try a different sim before switching out the phone.
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