Which Z3 model to get for ATT for LTE connectivity - Xperia Z3 Q&A, Help & Troubleshooting

Was trying to track down which model of the Z3 I should buy in order to get LTE access on ATT. I have seen some people say to get the 6603 but I was reading a thread that it wasn't working on ATT. Anyone using this phone on ATT and know exactly which model to get in order to use LTE?

The D6603 and D6633 (Dual) both support all of the needed bands for AT&T support. I use a D6633 and have no issues whatsoever on AT&T.

I also use D6633 and get LTE on ATT

D6603 and D6633 will support AT&T LTE. Whatever you do, do not give AT&T your updated IMEI or their system will register it as "unknown" device and you will get 3G only.

I'm using the D6603 on AT&T with no problems (getting LTE just fine).

Related

[Q] Convert D6653 to D6603 fot LTE bands

Hi!
I have the D6653 model, but I need the LTE bands of the D6603.
If I flash the D6603 rom, can I get the bands LTE 700/800/850/900/1700/1800/1900/2100/2600 (1/2/3/4/5/7/8/13/17/20)?
Thanks!
I've read on this in the past when I used to own the D6653. The answer is no because it is hardware related, not software. Something about the physical antennas they put in here. This was a reason for selling my D6653 with a big loss back then.

[Q] Z3 on Verizon?

I know that verizon has it's own Z3v, but from what I can tell the z3 from tmobile has the same bands on it's radio as the verizon variant.
If my z3 from tmobile is unlocked can I use it on Verizon? I do not have a current verizon sim card to test, so I thought someone here might have tried already. Would rather just keep my existing phone than go to a lesser version of it on verizon.
Thanks ahead of time...
No its not possible, as they need to register your ESN and considering the D6616 is GSM only, it does not have an ESN.
Also you cannot use Sprint/Verizon on each others network as they won't allow it (ESN) . But you can use Sprint and Verizon phones, those which also have GSM in addition to CDMA on AT&T and T-Mobile
I used my Sprint LG G2 (supports CDMA & GSM) on T-Mobile till I got the Z3.
Here is an article:
http://www.whistleout.com/CellPhones/Guides/BYO-phones-how-to-take-your-phone-to-another-carrier
Thanks for the info. I didn't have my hopes up, but it would have been nice.

[Q] D6653 LTE bands switching

is there any way to enable aws band in my D6653?
i mean, maybe flashing D6603 firmware or modem on my device i will get LTE?
i can't get LTE signal because of bands, guys any suggestions?
I had an issue with this when I used to have a G2 and someone introduced me to this thread
http://forum.xda-developers.com/cro...ad-progress-please-leave-im-updating-t2871269
I couldn't do anything but for the Z3 there could be something available

Thinking of buying unlocked D6603 on AT&T

Hello,
I'm currently on AT&T with an HTC One M7. I've had my fair share of rooting and playing around with this and with my contract ending in 2 months, I've been eyeing the Z3 as my go to device for the next 2 years and intend on buying it before my contract is up to just replace my HTC soon.
1) Currently it would be a hassle for me to call AT&T to get a new nano SIM card, so I guess that purchasing a cutter to convert my current one into a nano SIM would be fine? I wouldn't need to call them up to mess around with a new IMEI or anything assuming I'm basically using the exact same SIM card?
2) I've heard that the D6633 version (dual SIM) has full support for AT&T LTE whereas D6603 is merely only 4G. Can anyone clarify this?
Thank you
I have full LTE on AT&T. I just needed to have a nano SIM card installed at an AT&T store. There were zero issues.
Sent from my D6603 using XDA Free mobile app
mch277 said:
2) I've heard that the D6633 version (dual SIM) has full support for AT&T LTE whereas D6603 is merely only 4G.
Click to expand...
Click to collapse
I've also got full LTE on a D6603 on AT&T--speed leaves HSPA+ in the dust. Purchased directly from Sony store and registered as a new line with the guy in the AT&T store scanning the box for the IMEI code. No problems at all although it does seem to need a strong LTE signal. At home I have to switch network mode to WCDMA/GSM or it will constantly hunt between LTE and H+ with a significant battery hit.

Xperia Z5 Compact not receiving 4G signal with Rogers Canada

Hi everyone,
I just got my Xperia Z5 Compact from my dad, but the problem is that I can not get 4G signal with Rogers Canada. My Z5 Compact was bought from the US
I asked support from Rogers and they said since Rogers does not carry the Xperia Z5 Compact, and my sim is working properly with other phones, they cannot offer me help.
My phone current settings:
- Preferred network type: LTE (preferred)/WCDMA/GSM
- Rogers LTE - Itemobile.apn
Can someone help me? Thank you!
Duc Viet said:
Hi everyone,
I just got my Xperia Z5 Compact from my dad, but the problem is that I can not get 4G signal with Rogers Canada. My Z5 Compact was bought from the US
I asked support from Rogers and they said since Rogers does not carry the Xperia Z5 Compact, and my sim is working properly with other phones, they cannot offer me help.
My phone current settings:
- Preferred network type: LTE (preferred)/WCDMA/GSM
- Rogers LTE - Itemobile.apn
Can someone help me? Thank you!
Click to expand...
Click to collapse
Check if the bands and frequencies of your carrier match the bands and frequencies supported by the device. There is more to it than just it being 4G LTE. If bands and frequencies don't match, it won't work.
Also, your radio/modem may not be compatible. Some devices that move to a different network have to flash a modem to work on the other network. That doesn't mean that a compatible modem is available for your device though. Some devices switching networks have to live without 4G because the device hardware just doesn't support what the network has regardless of what software you apply.
I DO NOT PROVIDE HELP IN PM, KEEP IT IN THE THREADS FOR EVERYONE TO SHARE
A USA purchased X5 Compact has all the LTE bands that Rogers uses. As long as the APN settings are correct (and I'd assume that these settings come from the SIM card), the phone should work. Does it work otherwise, just not with 4G?

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