[Q] A couple of q's from a European user - Atrix 4G Q&A, Help & Troubleshooting

Hi guys!
My first post ever here so please forgive the noobiness and the perhaps many q's..
A friend is in the US & can hopefully bring me this monster of a phone to Germany next week; I just called an AT&T shop though and the (very helpful I have to admit) rep said that they will not be selling them unlocked and cannot unlock them, expected I guess. Now a couple of q's:
- Will it first of all function in Europe?
- How difficult is it going to be to remove the sim lock so I can use my German o2 sim card in it?
- I suppose it will have loads of AT&T and Motorola software on it but how intrusive are they at the end of the day, can't you install LauncherPro for example?
I currently have an unrooted Nexus One & was just about to order the Nexus S but the Atrix is just too good to not buy.
Thanks for all help you guys provide through the forums!!

It will not function without an unlock code. You can remove all the at&t bloatware. Yes you can install launcher pro over motoblur. The difficulty of unlocking the phone really depends. Usually you can pay a few dollars to some website to unlock it.

edgeicator said:
It will not function without an unlock code. You can remove all the at&t bloatware. Yes you can install launcher pro over motoblur. The difficulty of unlocking the phone really depends. Usually you can pay a few dollars to some website to unlock it.
Click to expand...
Click to collapse
Many thanks!

Vangelis13 said:
Many thanks!
Click to expand...
Click to collapse
Please visit this thread i made yesterday:
http://forum.xda-developers.com/showthread.php?p=11496757
i'm making a list of various unlocking sites , to see which ones can sell us the codes.
Any contributions are welcome

How well would a US bought Atrix work in Europe ? Will it operate across all GSM/3G frequencies or have some limitations ? The reason I ask is as I've seen some threads where they talk about a gsm version of the Atrix, but AT&T do operate with a gsm setup ... ?

mrabcx said:
How well would a US bought Atrix work in Europe ? Will it operate across all GSM/3G frequencies or have some limitations ? The reason I ask is as I've seen some threads where they talk about a gsm version of the Atrix, but AT&T do operate with a gsm setup ... ?
Click to expand...
Click to collapse
From Wikipedia:
Africa, Europe, Middle East and Asia
In Africa, Europe, Middle East and Asia most of the providers use 900 MHz and 1800 MHz bands. GSM-900 is most widely used. Fewer operators use DCS-1800 and GSM-1800. A dual-band 900/1800 phone is required to be compatible with almost all operators. At least the GSM-900 band must be supported in order to be compatible with many operators.

Related

[Q] HTC aria - which image for use in europe

Hi guys,
I'm really new to this, so please excuse me asking basic stuff.
I am an iPhone user and I am familiar with linux and flashing of a huge number of different devices (Nokia, Xbox360, Xbox, Siemens, PSX...). I am living in the US, but my girlfriend lives in Germany. What I did is, I got her a AT&T locked HTC Aria for x-mas. I am aware of the difference between rooting and unlocking, but still I have some basic questions:
1. Do I unlock the device before or after I root? Does it make a difference at all?
2. As the phone is meant to be used in Germany, which (as unbranded as possible) image should I use? Can I use liberated R012/FR006 or doesn't this work in Europe? Could I use the Gratia Image?
2a.) Shall I go for FroYo or rather stick with Eclair?
3. Does the change/upgrade/renew of the image affect the unlock in any way?
4. Can I unlock the phone with an app or similar, when the device is rooted or do I have to pay for the unlock code?
Thank you so much in advance, I really appreciate your work and your help,
Tim
P.S. I used the forum search and did not find an current answer to my questions
Maybe someone can also give me some advice on what to read, just to understand the basic stuff.
Thanks!
Hi, I'm not an expert, but here is my experience in case it helps:
Diction said:
Hi guys,
1. Do I unlock the device before or after I root? Does it make a difference at all?
Click to expand...
Click to collapse
I unlocked first with HTCSimUnlock.com - had to pay the extended search fee.
2. As the phone is meant to be used in Germany, which (as unbranded as possible) image should I use? Can I use liberated R012/FR006 or doesn't this work in Europe? Could I use the Gratia Image?
Click to expand...
Click to collapse
I used liberated_aria_R012, then the "update": la_www_update_R002_signed referenced in the first post in his thread. However I can't get Titanium Backup to remove the bloatware social networking stuff like facebook, ppok, etc., as others recommend. I also couldn't remove them using the complicated "SDK" method as the "ADB" can't find the phone. I don't know whether this is anything to do with the version of the ROM (I know there are more recent versions), but I got fed up after 6 hours trying, so now my wife (it's her phone) just has to live with the clutter
2a.) Shall I go for FroYo or rather stick with Eclair?
Click to expand...
Click to collapse
The version I have is Eclair - works fine, not noticeably faster or slower than the stock ROM.
3. Does the change/upgrade/renew of the image affect the unlock in any way?
Click to expand...
Click to collapse
Don't think so - not for me anyway, I have used many network SIM cards in the UK, US, Poland, Macedonia, Qatar, UAE, Italy (haven't been to Germany recently, sorry!)
4. Can I unlock the phone with an app or similar, when the device is rooted or do I have to pay for the unlock code?
Click to expand...
Click to collapse
I didn't find a free way to do it. There is a thread here which lists a few.
Maybe someone can also give me some advice on what to read, just to understand the basic stuff.
Thanks!
Click to expand...
Click to collapse
I think I know how you feel. Even after a few years of familiarity with custom ROMs for Windows Mobile phones, this business of android "rooting", "ADB-ing", etc. and commands that look like Unix, it all sounds a a bit intimidating, especially since the "flash menu" entries aren't quite as the guides say in respect of the USB connection, bot following this thread about "unrevoked" is the way I went.
Good luck
I don't think the rom you use will really matter, so I'd recomnd (if you don't mind running on the experimental side) the cm6.1 roms.
For unlocking, just call att and tell them you want to use it for international travel. They'll give you the code for free. I did this with my old blackberry 9000, took a few weeks, but it was basically 0 hassle. My experience was with an off contract phone, but I understand it works with on contract phones as well, someone correct me if i'm wrong, but theres no harm in trying.
hi
i would suggest to wait for gratia in europe (i think it should be released in some days)
i use a aria in austria (ordered a week before htc pronounced that gratia will come to europe ) - works fine but only edge not hsdpa is working for data connection (due to differenze frequences in us & europe)
otherwise no problem with that greate phone
dopsi said:
... works fine but only edge not hsdpa is working for data connection (due to differenze frequences in us & europe)
Click to expand...
Click to collapse
I get HSPDA with my wife's AT&T Aria, in all the European countries & Middle Eastern I visited and except rarely when in the UK and she doesn't get an Orange signal (her carrier), and it switches to T-Mobile's GPRS. Not sure if Austria's different, or may be the APN settings are working, but in my experience HSPDA is possible with the Aria phone hardware.
ostsjoe said:
...For unlocking, just call att and tell them you want to use it for international travel. They'll give you the code for free.
Click to expand...
Click to collapse
I tried that but they refused as I wasn't the original AT&T owner (got it from eBay). Maybe you'll be luckier.
There's a helpful looking video on youtube by the way: http://www.youtube.com/watch?v=rjgg__m-KHc. Although it doesn't look like an AT&T phone, it seems to cover all the steps.
@kc1: are you sure?
i would be happy it it would work!!!
when you look at the specification at htc.com for aria and gratia you will find
gratia
* HSPA/WCDMA: 900/2100 MHz
* GSM: 850/900/1800/1900 MHz
and aria (us)
Dual Mode UMTS/HSDPA/HSUPA (1900/850MHZ) &
GSM/GPRS/EDGE (Quad band 850/900/1800/1900MHZ);
and i tried at with different carriers (orange, t-mobile, a1) - no change to get even a connection when changing into WCDMA mode...
dopsi said:
@kc1: are you sure?
i would be happy it it would work!!!
when you look at the specification at htc.com for aria and gratia you will find
gratia
* HSPA/WCDMA: 900/2100 MHz
* GSM: 850/900/1800/1900 MHz
and aria (us)
Dual Mode UMTS/HSDPA/HSUPA (1900/850MHZ) &
GSM/GPRS/EDGE (Quad band 850/900/1800/1900MHZ);
and i tried at with different carriers (orange, t-mobile, a1) - no change to get even a connection when changing into WCDMA mode...
Click to expand...
Click to collapse
@Dopsi:
Like it says in the Aria specs you've quoted above: "HSDPA". When I'm roaming in Europe & UAE, etc. I get an "H" and a fast connection if I turn the data on in most cities/countries. In other places sometimes "3G". I don't know what frequency Austria uses for it's networks (Due to be back in Salzburg after x-mas so will try it next month.), but I do know that in the past when I've only had a "G" or "E", it has been if I had the wrong APN settings. e.g. with O2, if you pick the "MMS" or "Wap" APN instead of the o2web, and similar for T-Mobile
thanks
Hi everyone!
First of all, I want to thank you for all of your advices. I have not been around for the last days, so I couldn't reply earlier. I read your answers and they were really helpful to me!
As I mentioned before, I am a total newbie when it comes to Android OS or HTC handsets. The HTC homepage and many other forums say, that the aria won't operate on the European UMTS standard. Is this due to a hardware limitation or might this be fixed by using a different rom (like the one of the gratia)?
If this won't be working, is it possible to use skype on mobile with Edge?
Thanks again, have a great day!
kc1 said:
@Dopsi:
Like it says in the Aria specs you've quoted above: "HSDPA". When I'm roaming in Europe & UAE, etc. I get an "H" and a fast connection if I turn the data on in most cities/countries. In other places sometimes "3G". I don't know what frequency Austria uses for it's networks (Due to be back in Salzburg after x-mas so will try it next month.), but I do know that in the past when I've only had a "G" or "E", it has been if I had the wrong APN settings. e.g. with O2, if you pick the "MMS" or "Wap" APN instead of the o2web, and similar for T-Mobile
Click to expand...
Click to collapse
I would also like to know how you got HSDPA to work in europe. I have a AT&T Aria wich I'm trying to get to work with 3G/HSDPA in Sweden. It's unlocked through the same site you used and has the "liberated_aria_R012" rom with the "la_www_update_R002_signed" update. I have tested several different APN settings but I'm still stuck with Edge. I've read that the Aria's hardware doesn't support the 2100/900MHz band but your experiences says otherwise. Please bring some light to this problem
Any updates on that? I really would like to operate the phone in europe using full 3G speed!
Maybe it's possible to reflash the radio image?
Tunertunes said:
I would also like to know how you got HSDPA to work in europe. I have a AT&T Aria wich I'm trying to get to work with 3G/HSDPA in Sweden. It's unlocked through the same site you used and has the "liberated_aria_R012" rom with the "la_www_update_R002_signed" update. I have tested several different APN settings but I'm still stuck with Edge. I've read that the Aria's hardware doesn't support the 2100/900MHz band but your experiences says otherwise. Please bring some light to this problem
Click to expand...
Click to collapse
The AT&T branded Aria does not support the 900/2100MHz bands for UTMS. Only 850/1900, so you probably won't be able to get 3G. Flashing a new radio will not work because the frequencies are in the hardware, not controlled by software.
*grml* Stupid USA!!! Can't they just use the standard of the rest of the world?
Thanks anyway, maybe Edge is fast enough for my girlfriend's needs.
Do you guys think it is possible that some major cities have installed some antennas for the US standard to make the mobile internet faster for visitors? This would explain the experience of @Dopsi.
Thanks for your replies!
Tim
Diction said:
*grml* Stupid USA!!! Can't they just use the standard of the rest of the world?
Thanks anyway, maybe Edge is fast enough for my girlfriend's needs.
Do you guys think it is possible that some major cities have installed some antennas for the US standard to make the mobile internet faster for visitors? This would explain the experience of @Dopsi.
Thanks for your replies!
Tim
Click to expand...
Click to collapse
I just reread Dopsi's replies and he said he only gets EDGE, not HSPA despite all of the different settings he has tried.
Ah, right, it was kc1 saying:
I get HSPDA with my wife's AT&T Aria, in all the European countries & Middle Eastern I visited and except rarely when in the UK and she doesn't get an Orange signal (her carrier), and it switches to T-Mobile's GPRS. Not sure if Austria's different, or may be the APN settings are working, but in my experience HSPDA is possible with the Aria phone hardware.
Click to expand...
Click to collapse
Hello guys,
actually there are two types of HTC Aria:
HTC Gratia (HTC Liberty):
GSM850, GSM900, GSM1800, GSM1900, UMTS900, UMTS2100
HTC Aria A6380 (HTC Liberty):
GSM850, GSM900, GSM1800, GSM1900, UMTS900, UMTS2100
HTC Aria A6366 (HTC Liberty):
GSM850, GSM900, GSM1800, GSM1900, UMTS850, UMTS1900
So you want to use HTC Gratia or Aria A6380 in Europe and I guess AT&T is selling Aria A6366.
Btw, you can find all 3 of them in the Device Database of this site.
I am not sure where you can verify which version you have. If you figure it out please let me know...
Mage
Tunertunes said:
I would also like to know how you got HSDPA to work in europe. I have a AT&T Aria wich I'm trying to get to work with 3G/HSDPA in Sweden. It's unlocked through the same site you used and has the "liberated_aria_R012" rom with the "la_www_update_R002_signed" update. I have tested several different APN settings but I'm still stuck with Edge. I've read that the Aria's hardware doesn't support the 2100/900MHz band but your experiences says otherwise. Please bring some light to this problem
Click to expand...
Click to collapse
Hey may actually have the Aria sold in Asia, which is compatible with euro HSDPA.
CMage,
my Aria from ATT via Amazon shows Model number "HTC Gratia A6380" from Settings>About Phone>Phone Identity. It was shipped in Aug. Thought this was interesting based on the list of available models.
Ken1939 said:
CMage,
my Aria from ATT via Amazon shows Model number "HTC Gratia A6380" from Settings>About Phone>Phone Identity. It was shipped in Aug. Thought this was interesting based on the list of available models.
Click to expand...
Click to collapse
Interesting indeed. HTC didn't even announce the Gratia until October 2010. So does your Aria have the AT&T logo on it?

Buying SGSII in US, using in europe?

Hi everyone,
i have one short question.
I'm currently living in the US for the next few months and my HTC Desire keeps on rebooting and HTC won't repair it in the US, because it's an german vodafone branded version.
Anyways, i need a new phone.
If I buy the SGSII here in the US, will I be able to use it in Germany aswell?
Because currently I cannot use 3G with my Desire (carrier is t-mobile), only EDGE. It would be a real bummer if I couldn't use the SGSII to it's full extend (meaning 3G etc.) in Germany.
Thanks for your answers!
Th unlocked Europe version is compatible with both Europe and US 3g radios.
ya well, but i want to buy it in the US and use it in europe. Not the other way round.
I think that's what he meant.
Never live in the past but always learn from it.
Could just buy Europe version online.
Never live in the past but always learn from it.
Tennis11 said:
Could just buy Europe version online.
Never live in the past but always learn from it.
Click to expand...
Click to collapse
That's what I meant... Plus there are a stores in the US that will sell it.
gs2 unlocked version is quadband 3g 850, 900, 1900, 2100mhz. i'm assuming german is 900mhz. so you can use 3g in anywhere except tmobile usa (1700mhz).

[Q] AT&T 920 on T-Mobile with 3G?

I've had an HTC HD7 on T-Mobile for a good solid three years now, but it has become outdated and I need a new phone.
All the Windows Phones on T-Mobile are very crappy (in my opinion) and the phone I would love to have would be the Lumia 920.
My only problem is, it doesn't exist. My question is: If I were to buy a Lumia 920 locked to AT&T off of eBay, then get an unlock code, would it be possible to have it running with at least 3G speeds? All the radio frequencies point to yes, but I would like to check here first.
Thanks!
Bobsteriffic said:
I've had an HTC HD7 on T-Mobile for a good solid three years now, but it has become outdated and I need a new phone.
All the Windows Phones on T-Mobile are very crappy (in my opinion) and the phone I would love to have would be the Lumia 920.
My only problem is, it doesn't exist. My question is: If I were to buy a Lumia 920 locked to AT&T off of eBay, then get an unlock code, would it be possible to have it running with at least 3G speeds? All the radio frequencies point to yes, but I would like to check here first.
Thanks!
Click to expand...
Click to collapse
if you read around, all at&t lumias 820 & 920 are locked. there is a rare rare chance of getting an unlock code from AT&T. All the sites in the web are scams. It would be better to buy a Rogers Unlocked 920 because: 1. they have the same antennas as AT&T, some say the phones are pentaband and 2. they are already unlocked.
or get an international unlocked. some reports stated you can flash the firmware from other countries and get AWS.
Long story short, unless you want straight talk which is powered by AT&T, you wont have a good chance of getting an AT&T lumia sim unlocked
hope i am wrong. working on getting a code or two time will tell
jhr said:
if you read around, all at&t lumias 820 & 920 are locked. there is a rare rare chance of getting an unlock code from AT&T. All the sites in the web are scams. It would be better to buy a Rogers Unlocked 920 because: 1. they have the same antennas as AT&T, some say the phones are pentaband and 2. they are already unlocked.
or get an international unlocked. some reports stated you can flash the firmware from other countries and get AWS.
Long story short, unless you want straight talk which is powered by AT&T, you wont have a good chance of getting an AT&T lumia sim unlocked
hope i am wrong. working on getting a code or two time will tell
Click to expand...
Click to collapse
Can you point me towards the direction of the Rogers Lumia? I've heard about them but I have no idea where to find them.
Bobsteriffic said:
Can you point me towards the direction of the Rogers Lumia? I've heard about them but I have no idea where to find them.
Click to expand...
Click to collapse
eBay.
Bobsteriffic said:
Can you point me towards the direction of the Rogers Lumia? I've heard about them but I have no idea where to find them.
Click to expand...
Click to collapse
https://www.google.com/#hl=en&outpu...94,d.aWM&fp=e404425d9557a858&biw=1680&bih=834
google search my friend, anyways ebay is good, like other stated, craigslist but rare. negri electronics, expansys. there is a canadian retailer that sells them and ships them to the USA, but in the long run buying new and out of country will cost you a shinnier penny than at AT&T
go to http://forums.wpcentral.com/marketplace-buy-sell-trade/
Bobsteriffic said:
Can you point me towards the direction of the Rogers Lumia? I've heard about them but I have no idea where to find them.
Click to expand...
Click to collapse
Bought mine at canadagsm.ca and had it in my hands 3 days later in Miami. And, so far is the best phone I've owned. It is a pentaband so it will work with T-MOBILE. Also, I have none of the problems others are mentionning on this forum (dust in front of the FFC, etc ...).
SO, I'm very satisfied !!!
Realized that there are two threads...I'm pasting my reply here and requesting the other to be deleted.
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I'm on T-Mobile as well. I ended up purchasing a Lumia 920 international unlocked (Polish variant). The international variant uses the same 3G frequency as the AT&T variant (1900 MHz 3G).
T-Mobile has been refarming their network and they are now running 3G on 1900 MHz as well, in addition to the original 1700 MHz.
If you're in the Mill Creek, WA area, I can't tell you how the 1900 MHz 3G network performs since I'm not in that area. However, I live in Bellevue, go to UW and work in Shoreline and 3G coverage on the 1900 MHz network has been pretty good. At UW, I can get anywhere between 7-15 Mbit/sec.
To answer your question, yes an AT&T version will have 3G on T-Mobile's network, but only if you're in an area that has received refarming.
Hope this helps. Feel free to send any more questions my way!
hawc1506 said:
Realized that there are two threads...I'm pasting my reply here and requesting the other to be deleted.
---------------------------------------------------------------------------------------------------------------------------------
I'm on T-Mobile as well. I ended up purchasing a Lumia 920 international unlocked (Polish variant). The international variant uses the same 3G frequency as the AT&T variant (1900 MHz 3G).
T-Mobile has been refarming their network and they are now running 3G on 1900 MHz as well, in addition to the original 1700 MHz.
If you're in the Mill Creek, WA area, I can't tell you how the 1900 MHz 3G network performs since I'm not in that area. However, I live in Bellevue, go to UW and work in Shoreline and 3G coverage on the 1900 MHz network has been pretty good. At UW, I can get anywhere between 7-15 Mbit/sec.
To answer your question, yes an AT&T version will have 3G on T-Mobile's network, but only if you're in an area that has received refarming.
Hope this helps. Feel free to send any more questions my way!
Click to expand...
Click to collapse
Now this here is exactly what I was looking for. Thank you! Now all I need to do is to find an unlock code for the AT&T Lumia 920
Bobsteriffic said:
Now this here is exactly what I was looking for. Thank you! Now all I need to do is to find an unlock code for the AT&T Lumia 920
Click to expand...
Click to collapse
Good luck as right now they don't exist. The sites claiming to have them are scams. Those claiming to have received one are most likely working for or being paid by those same scam sites.
Solarenemy68 said:
Good luck as right now they don't exist. The sites claiming to have them are scams. Those claiming to have received one are most likely working for or being paid by those same scam sites.
Click to expand...
Click to collapse
This is true. Do NOT give your money to any site claiming to unlock the AT&T 920. It will only be possible for those sites to do so after May 9th, and then still only buy it from reputable sites!
The ONLY way to unlock an AT&T 920 is if you're an AT&T customer and push really hard with the customer support. It might also be only customers with accounts on business discounts (tied to your work email) that are able to get it. I get premier business customer support when I call in to AT&T and I even had to argue on the phone for 60 minutes in total with all the reps I talked to before I was able to get them to submit an unlock request.

Mate 20 pro "lya-l29" Europe sim only?

Went to the shop to buy a Huawei Mate 20 Pro intending to use it in Asia (Taiwan) most of the time and got warned by the kind sales lady that their models (lya-l29) explicitly state that they are for European sim only.
AFAIK with my limited knowledge and experience that only USA bands are different from the rest of the world, and if it works in the European market it should work fine in various Asian countries as well.
Can anyone confirm this to reassure my doubts?
oraclexl said:
Went to the shop to buy a Huawei Mate 20 Pro intending to use it in Asia (Taiwan) most of the time and got warned by the kind sales lady that their models (lya-l29) explicitly state that they are for European sim only.
AFAIK with my limited knowledge and experience that only USA bands are different from the rest of the world, and if it works in the European market it should work fine in various Asian countries as well.
Can anyone confirm this to reassure my doubts?
Click to expand...
Click to collapse
Phone comes unlocked, and locks to carriers IF on a contract. Many people have gone L29 dual sim and it works with ANY GSM carrier. As long as paid in full
oraclexl said:
AFAIK with my limited knowledge and experience that only USA bands are different from the rest of the world, and if it works in the European market it should work fine in various Asian countries as well.
Click to expand...
Click to collapse
Unless network-locked by a carrier, it should be fine so long as your network's bands are supported by the device.
I would suggest checking what bands your carrier uses and comparing.
You can check the bands on FrequencyCheck, as well as other places.
ONikku said:
Unless network-locked by a carrier, it should be fine so long as your network's bands are supported by the device.
I would suggest checking what bands your carrier uses and comparing.
You can check the bands on FrequencyCheck, as well as other places.
Click to expand...
Click to collapse
Thanks for the good link
Thank you all!

Question Does it matter which model i get? XQ-CT62 US version or Global version?

Hey guys when i go to Sony website and look up bootloader unlock instructions. it says the US variant is locked by verizon.
this is the version i have. Does that mean i cannot unlock bootloader? do i need to return my phone and the global version? The guides posted on here don't seem to mention the model number as if it matters.
Unlock Bootloader - Open Devices - Sony Developer World
developer.sony.com
Unless anything has changed, it is generally known that Verizon phones have a locked bootloader for customer security and in Verizon's interest.
ze7zez said:
Unless anything has changed, it is generally known that Verizon phones have a locked bootloader for customer security and in Verizon's interest.
Click to expand...
Click to collapse
Yea I am a first time sony buyer. the phone i have is actually the 5 IV which we don't have a forum for yet.
I usually am buying older phones with established guides and hacks to unlock on here. So i simply missed this since i didn't see it plastered everywhere on the front page of the some other sony forums. my bad.
I am not surprised. just ordered the wrong one thinking it didn't matter for the sony brand.
returning mine now. and ordering the 72.
thud1 said:
Yea I am a first time sony buyer. the phone i have is actually the 5 IV which we don't have a forum for yet.
I usually am buying older phones with established guides and hacks to unlock on here. So i simply missed this since i didn't see it plastered everywhere on the front page of the some other sony forums. my bad.
I am not surprised. just ordered the wrong one thinking it didn't matter for the sony brand.
returning mine now. and ordering the 72.
Click to expand...
Click to collapse
It's the same reason I returned US version and bought international version ct72 . So make sure about bands supports for 71 it has 66 which is TMobile and band 41 which i get some good speed depending on the location I'm in.
same here I wanted to root and Use Repainter app and change fonts and I did have the CT62, but I return it back to Sony and bought the CT72, sad that sony doesn`t allow the bootloader to be unlocked on the CT62.
2015Ducatimulti said:
same here I wanted to root and Use Repainter app and change fonts and I did have the CT62, but I return it back to Sony and bought the CT72, sad that sony doesn`t allow the bootloader to be unlocked on the CT62.
Click to expand...
Click to collapse
Right i thought they allowed bootloader unlocked on any Xperia really sucks that they didn't allowed it on US specially if I'm paying 1600+ on it lol
raven213 said:
Right i thought they allowed bootloader unlocked on any Xperia really sucks that they didn't allowed it on US specially if I'm paying 1600+ on it lol
Click to expand...
Click to collapse
my exact thoughts, 1600.00, no thanks, buy the CT72 and save some money, only thing is you don`t get the USA warranty when you buy the Non-US version, and some missing 5G band`s and the missing MMWave bands
As @2015Ducatimulti mentioned, there is something missing there between the two version.
There is Hardware differences between CT72 and CT62. The US version supports has mmW support and also more bands that are available in the US such as band 2, 66, and 71 used by TMO in addition to mmW 260 and 261.
if your carrier does not have use of these bands and mmW frequencies, then the CT72 should still work as long as you flash the US version ROM. otherwise, you will have coverage issues due and high call drops due to the limited US band support
hnt20 said:
As @2015Ducatimulti mentioned, there is something missing there between the two version.
There is Hardware differences between CT72 and CT62. The US version supports has mmW support and also more bands that are available in the US such as band 2, 66, and 71 used by TMO in addition to mmW 260 and 261.
if your carrier does not have use of these bands and mmW frequencies, then the CT72 should still work as long as you flash the US version ROM. otherwise, you will have coverage issues due and high call drops due to the limited US band support
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Flashing US ROM on ct72 will give you signal issues. So far i haven't found a way to get signal working on it.
That might make sense since the RF hardware is different between them and hence the software might not work as expected
FWIW, I just got the Xperia 1 IV, CT-72, using it on AT&T (primary subscriber, no MVNO). Just using the stock ROM, didn't flash any other ROMS.
So far I appear to have 5G as well as VoLTE. No VoWIFI, but I don't care about that anyway.
I'll use it for another week or so to see if AT&T decides to shutdown service for a non whitelisted device, but so far so good. And it was $840 new, vs $1600 for the USA version, so a HUGE cost difference
I by the way did first have to do the trick where you disable dual-sim and only use the primary SIM slot.
Sakete said:
FWIW, I just got the Xperia 1 IV, CT-72, using it on AT&T (primary subscriber, no MVNO). Just using the stock ROM, didn't flash any other ROMS.
So far I appear to have 5G as well as VoLTE. No VoWIFI, but I don't care about that anyway.
I'll use it for another week or so to see if AT&T decides to shutdown service for a non whitelisted device, but so far so good. And it was $840 new, vs $1600 for the USA version, so a HUGE cost difference
I by the way did first have to do the trick where you disable dual-sim and only use the primary SIM slot.
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Is your CT-72 still working on AT&T?
tonysunshine said:
Is your CT-72 still working on AT&T?
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Mine is still going fine on Att elite
David.k20z1 said:
Mine is still going fine on Att elite
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XQ-CT72 No go on Cricket. Data works fine but no calls.

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