What's the difference between 405QA and 405QA7? - LG V40 Questions & Answers

I'm trying to see what LTE bands 405QA has, but everywhere I see only lists 405QA7.
Is there a way to check to see if 405QA has band 71?

I think is the same model

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Which US variant to use in Brazil?

Does anyone know which US variant would be best for use in Brazil? From what I can see the ATT version has band 7 LTE and the TMO version does not, and LTE bands page (below) shows that most carriers there are band 7. This would seem pretty conclusive but wanted to see if there was anything I wasn't thinking of.
Thoughts?
Thanks,
BH
PS - Side question. If I pay full price/not-subsidized for the ATT model, does it still come with a subsidy/SIM lock? I asked Moto cust svc and they say it's locked, but wanted to verify.
http://en.wikipedia.org/wiki/Moto_X
http://en.wikipedia.org/wiki/List_of_LTE_networks

help me understand the frequency options

the general thread lists the models and it frequencies, and then list the operators and the used frequencies... but the wikipedia table also has "LTE bands" which are not mentioned anywhere.
what are those about?
Also, i can't see a sinlge model from that wiki table that matches all frequencies on the AT&T/T-Mobile line...
my main goal is to use them on both of those network, which is conveniently on the same line on the general thread , and not have a dead weight when traveling.
i'm sure i'm missing something obvious here, as not even the models market for a certain operator lists all the frequencies listed for that operator...
gcbxda said:
the general thread lists the models and it frequencies, and then list the operators and the used frequencies... but the wikipedia table also has "LTE bands" which are not mentioned anywhere.
what are those about?
Also, i can't see a sinlge model from that wiki table that matches all frequencies on the AT&T/T-Mobile line...
my main goal is to use them on both of those network, which is conveniently on the same line on the general thread , and not have a dead weight when traveling.
i'm sure i'm missing something obvious here, as not even the models market for a certain operator lists all the frequencies listed for that operator...
Click to expand...
Click to collapse
Its a trade-off no matter what you do.
If you want the most LTE bands, then go with the XT1058 ROGERS variant, which is SIM-Unlocked for any provider. As shown on the wikipedia list, each model number DOES support the bands shown, but certain individual carrier variants may be SIM-locked (AT&T IS - Don't get that one...), or have different 'bloat' software installed.
If you want the most UMTS bands (think HSPA, HSPA+), then go with the XT1053 T-Mobile variant
All the versions support the 4 GSM bands, so calling and 2g data will be consistent no matter which model you get (other than the SIM-Locked variants).
Hope this helps.
PS: LTE band info here: http://niviuk.free.fr/lte_band.php This will show you which frequency corresponds to each band.
EDIT: If you only plan on using AT&T and T-Mobile, DEFINITELY get the T-Mobile variant. It is SIM-unlocked, supports all frequency bands currently deployed in the U.S. by both AT&T -AND- T-Mobile.
If you were to get the Rogers version (or other XT1058), you would completely lose the AWS band which T-Mobile uses extensively. The two additional LTE bands the XT1058 supports over the XT1053 aren't even deployed in the US as of now.
Be careful when looking at the Wikipedia table. It shows the Republic Wireless as supporting some GSM bands that those in the RW thread say it doesn't.. and the link to the FCC doc is really the SPRINT model, not RW. I'm not sure what other issues their might be.
If you want one single phone to use on BOTH att and T-Mo, get the GSM Developer Edition, or the GSM UNlocked (comes with T-Mobile SIM) from Moto Maker.
They support the following bands (per Moto web site, which might not be updated to reflect possible changes in more recent firmwares)...
GSM: 850/900/1800/1900 MHz
UMTS/HSPA: 850/900/ AWS/1900/2100 MHz with HSPA+ up to 42 Mbps (B5/B8/B4/B2/B1)
LTE: 700/AWS/1900MHz (B17/B4/B2)
If you have T-Mobile, the HSPA on AWS is important to get H/H+ in areas T-Mobile hasn't yet refarmed their 1900Mhz spectrum. No other X supports H/H+ on AWS that T-mobile uses.
The GSM Unlocked and Dev Edition will work with ATT's GSM/EDGE/GPRS/HSPA and LTE networks as it supports the necessary bands. There are two extra LTE bands the ATT branded X supports, however they were originally only used outside the USA. Reports are that ATT might start using one of them in the USA, but as of yet you wont notice it with the GSM Unlocked or GSM Dev Edition phones on ATT.
If you are going "non-contract" check the prices. If the Moto Maker and the Developer Edition are the same price, consider the Dev Edition if you want root, as unlocking the bootloader on the Moto Maker and Retail versions voids the warranty, where was unlocking the bootloader on the Dev Edition doesn't. Only difference would be the appearance. You can't customize the look of the Dev Edition, it comes as black face, woven white back, silver accents (buttons and ring around camera). But you can get a case to cover it, or use dbrand skins (I have no affiliation with dbrand, just saw it suggested by others on the forum here, so its worth a shot).
KidJoe said:
Be careful when looking at the Wikipedia table. It shows the Republic Wireless as supporting some GSM bands that those in the RW thread say it doesn't.. and the link to the FCC doc is really the SPRINT model, not RW. I'm not sure what other issues their might be.
If you want one single phone to use on BOTH att and T-Mo, get the GSM Developer Edition, or the GSM UNlocked (comes with T-Mobile SIM) from Moto Maker.
They support the following bands (per Moto web site, which might not be updated to reflect possible changes in more recent firmwares)...
GSM: 850/900/1800/1900 MHz
UMTS/HSPA: 850/900/ AWS/1900/2100 MHz with HSPA+ up to 42 Mbps (B5/B8/B4/B2/B1)
LTE: 700/AWS/1900MHz (B17/B4/B2)
If you have T-Mobile, the HSPA on AWS is important to get H/H+ in areas T-Mobile hasn't yet refarmed their 1900Mhz spectrum. No other X supports H/H+ on AWS that T-mobile uses.
The GSM Unlocked and Dev Edition will work with ATT's GSM/EDGE/GPRS/HSPA and LTE networks as it supports the necessary bands. There are two extra LTE bands the ATT branded X supports, however they were originally only used outside the USA. Reports are that ATT might start using one of them in the USA, but as of yet you wont notice it with the GSM Unlocked or GSM Dev Edition phones on ATT.
If you are going "non-contract" check the prices. If the Moto Maker and the Developer Edition are the same price, consider the Dev Edition if you want root, as unlocking the bootloader on the Moto Maker and Retail versions voids the warranty, where was unlocking the bootloader on the Dev Edition doesn't. Only difference would be the appearance. You can't customize the look of the Dev Edition, it comes as black face, woven white back, silver accents (buttons and ring around camera). But you can get a case to cover it, or use dbrand skins (I have no affiliation with dbrand, just saw it suggested by others on the forum here, so its worth a shot).
Click to expand...
Click to collapse
The Republic Wireless and Sprint variants are exactly the same. The both support the 4 GSM bands - wikipedia is correct.
The reason the FCC ID links to the sprint version, is because the RW version *IS THE SAME*
I'm looking at my RW Moto X box, and it lists the SAME FCC ID as the Sprint model....just as wikipedia shows.
The only difference is that the RW version has custom firmware for wifi calling, and unlike Sprint, who -sometimes- allows SIM unlock if you meet their criteria, RW will NEVER OTA-Sim-unlock their phones.
They both are using the same SIM-LOCK trickery, however. If we find an exploit to sim-unlock the Sprint variant, it WILL work on the RW version, enabling the GSM bands.
Was my reply not sufficient? You basically said exactly the same thing I did...

will European z3c work fully on AT&T or should I wait for US version?

I see that the Sony mobile US site has the z3c listed as coming soon. Is it best to just wait for that to come out or will the European version fully support all of the AT&T bands? I'd hate to import a phone and not get the best reception/internet.
I know it was suggested in another thread that it would work with AT&T but then there was some confusion in another thread about the phone possibly missing 1 or 2 bands. Any help from an expert would be greatly appreciated.
mazyou tube
I know Sony's white papers have been wrong in the past (Z1 Compact with glass back, grrrr ) but the one for the Z3 Compact D5803 has 4G bands Bands 1, 2, 3, 4, 5, 7, 8, 13, 17, 20.
I've had a hunt around for AT&T's 4G bands but this seems a but trickier as it seems dependent on region, going by wikipedia it looks like the main bands are 2, 4 and 17 which are all supported by the European version per the above. It probably doesn't help that I'm not from the US and I don't have enough posts to add the URLs, sorry.
I feel like I remember reading back in the day that some companies used bands of the same frequency that weren't cross compatible. It's always made me nervous about buying non US phones. However my info could be wrong.
When I was in the states, I got a AT&T sim card. My phone definitely says that it has the lte bands. Still, it only displayed h+ while I was there. I did not bother to go back to the store and check because the speed was very good anyway. So maybe it's because the bands are different or it was working on 4g but just not displaying it, I don't know.
Sent from my C5503 using XDA Free mobile app
tudork said:
When I was in the states, I got a AT&T sim card. My phone definitely says that it has the lte bands. Still, it only displayed h+ while I was there. I did not bother to go back to the store and check because the speed was very good anyway. So maybe it's because the bands are different or it was working on 4g but just not displaying it, I don't know.
Click to expand...
Click to collapse
AT&T must provision your sim for LTE otherwise you'll only receive 3G even if the phone is capable of 4G. Usually they do this based on the IMEI of your device and if it's a non AT&T phone then it won't appear in their database as LTE capable. There are ways for them to manually configure the sim for LTE by contacting support.
The UK model D5803 definitely supports AT&Ts LTE on bands 2, 4, and 17.
Does AT&T have more bands than 2,4,17?
I found when googling AT&T LTE bands that they apparently have also started to use band 5 (850mhz) but that's still supported by the Z3 compact. This was both on AT&T's forums and howardforums but I'm not sure if AT&T need to do something else to enable LTE support on that particular device. I think my own network (3 UK) has to do this as it took a few months for my unlocked Moto X to pick up their 4G network.
From AT&T: https://www.att.com/shop/wireless/byop.html
Refer to the manufacturer's website to verify your unlocked device works with a SIM card on an AT&T GSM network frequency:
• 3G UMTS network 850/1900MHz bands
• 4G LTE network AWS / 700 / 850 / 1900MHz bands
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Click to collapse
AWS (1700/2100MHz) is band 4 (Blocks A, B, C, D, E)
700MHz is band 17 (blocks B, C)
850MHz is band 5
1900MHz is band 2
The overwhelming majority of AT&T LTE is on band 17. Bands 2 and 4 are used for additional capacity in some markets and/or some rural/smaller market coverage. I'm not sure they've rolled anything out on band 5 yet, but even so the Z3c has that covered.
OK,
thank you very much for the additional research. It seemed like that was the case but I don't trust my own opinion since I haven't done any real looking into this type of stuff in like 4 years.
derekmarch said:
OK,
thank you very much for the additional research. It seemed like that was the case but I don't trust my own opinion since I haven't done any real looking into this type of stuff in like 4 years.
Click to expand...
Click to collapse
To answer your original question, as far as we know there is no US model of the Z3c, only the EU D5803 and Asia D5833. If Sony sells it unlocked in the US it will probably be the D5803.
In preparation, hopefully I'll have it in a week.
Programming non-AT&T devices with the correct APN and MMS data settings
Subscribing since I'm very interested in this phone and my service provider is AT&T
Works great. I live in both NY and San Francisco, and I get LTE everywhere on AT&T.
I imported the D5803 (EU) model through Expansys.
Yes. Just make sure to get the d5803 model.

[Q] LTE Band

I read the specs for SM-G925V and the bands for LTE are: LTE Cat6 700/800/850/1900/1700/2100 (Bands 2,4,5,13,26).
Is this blocked in hardware or software?
In Brazil we use others bands and my carrier uses band 7. i got this phone as a present, so there is any workaround?
lehmevieira said:
I read the specs for SM-G925V and the bands for LTE are: LTE Cat6 700/800/850/1900/1700/2100 (Bands 2,4,5,13,26).
Is this blocked in hardware or software?
In Brazil we use others bands and my carrier uses band 7. i got this phone as a present, so there is any workaround?
Click to expand...
Click to collapse
If it will be the same as on S4 and S5 it should be possible. Please look at http://forum.xda-developers.com/galaxy-s5/general/how-to-add-rf-lte-frequency-bands-to-t2886059
And according to the spec it seems that it should have all listed bands http://www.phonescoop.com/phones/phone.php?p=4716
Did anybody get any further with this issue?

Adding Band 71 Support To Exynos S10

So Tmobile's complete 4g band list is as follows; 2, 4, 5, 12, 66, and 71.
According to clove.co.uk, and another spec sheet I found on ebay, the international model s10 will support all these, except for 71.
I ran into this forum below, which claims you can add additional bands to your phone;
https://forum.xda-developers.com/galaxy-s5/general/how-to-add-rf-lte-frequency-bands-to-t2886059
Whats the likely hood of being able to add this band to the international model s10?
Edit: Band 71 appears to be a 600MHz network, if it matters
Thanks!
Zero to none! That's a 2014 thread that hit a dead end...
T-Mobile's full range is: B2, 4, 5**, 12, LAA, 66, 71, and LTE-U**.
Being that LTE bands require hardware support one cannot create it in software. Sure, disabled bands can be activated on certain QC devices but that's an exception. The Galaxy S1 lacks support for LTE. Even if someone managed to add LTE on an OS level the phone still lacks the antennas, proper modem, etc.
Ace42 said:
T-Mobile's full range is: B2, 4, 5**, 12, LAA, 66, 71, and LTE-U**.
Being that LTE bands require hardware support one cannot create it in software. Sure, disabled bands can be activated on certain QC devices but that's an exception. The Galaxy S1 lacks support for LTE. Even if someone managed to add LTE on an OS level the phone still lacks the antennas, proper modem, etc.
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Never heard of LAA, LTE-U**, or 5**. Are those just separate frequencies? I just listed what I found on tmobiles site

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