[Q] Bands On Chinese phone - Android Q&A, Help & Troubleshooting

Hi, i just bought an xyz x1 phone with some webpage only accept 900 / 2100 GSM but in other places it says 850 / 900 / 2100 ive read this forum but its only with known device not with a chinese
i just want to know if its possible change the bands
read something about modem or change the basebands but im stuck
so if someone could help ill be awesome
my phone is not rooted has 4.2 android
baseband version : MOLY.WR8.W1248.MD.WG.MP.V7.P5
theres a way to fix this or i just have a pretty phone / console ?
thanks.

vitzeg said:
Hi, i just bought an xyz x1 phone with some webpage only accept 900 / 2100 GSM but in other places it says 850 / 900 / 2100 ive read this forum but its only with known device not with a chinese
i just want to know if its possible change the bands
read something about modem or change the basebands but im stuck
so if someone could help ill be awesome
my phone is not rooted has 4.2 android
baseband version : MOLY.WR8.W1248.MD.WG.MP.V7.P5
theres a way to fix this or i just have a pretty phone / console ?
thanks.
Click to expand...
Click to collapse
That's pretty common, most Chinese phones aren't compatible with 3G/4G networks even though they say they are. This is because they run from a frequency that is not compatible with the U.S. I had the same issue, I found out later on down the road that its limited to 2G/EDGE. I am in the process of returning the phone I have now. Just goes to show you you really need to check into Chinese phones because allot are unfortunately like this. Hope that helps.

jrockfever said:
That's pretty common, most Chinese phones aren't compatible with 3G/4G networks even though they say they are. This is because they run from a frequency that is not compatible with the U.S. I had the same issue, I found out later on down the road that its limited to 2G/EDGE. I am in the process of returning the phone I have now. Just goes to show you you really need to check into Chinese phones because allot are unfortunately like this. Hope that helps.
Click to expand...
Click to collapse
ya but my cellphone even work on 2G im trying to connect at least on 850 GSM but dont know what ive to do and thx for ur reply

Anyone has any idea of this ? :<

Any idea of this ? im stuck on it , other thing i can do its use my nokia n8 as AP , but only creates ad hoc -.-

Related

Offer $300 for T-Mobile UMTS

If anyone can get my Pro to work on T-Mobiles 3G network. I heard they are going to carry it and that hardware is the same its just the software....
Shoot me if its not passable but im trying :/
Wow, that's practically a 3rd of the devices price :O. I'm sure people would help you without offering the money. I would wait for the cooked ROMs as the might just fix the issue.
O yea
EDIT: You have to show me how to instal it and give me everything I need to instal it
thanks
GlobalM3 said:
O yea
EDIT: You have to show me how to instal it and give me everything I need to instal it
thanks
Click to expand...
Click to collapse
I assume you're kidding right? As the Raphael forum is brand spankin' new I'll throw you a bone and guide you to ROM upgrading guide for the Kaiser from the Kaiser's Wiki. Upgrading the Raphael's ROM will be similar. BTW, seems nobody knows for sure if the UK version of the Raph has the necessary hardware for UMTS with AT&T or T-mobile.
bersca said:
I assume you're kidding right? As the Raphael forum is brand spankin' new I'll throw you a bone and guide you to ROM upgrading guide for the Kaiser from the Kaiser's Wiki. Upgrading the Raphael's ROM will be similar. BTW, seems nobody knows for sure if the UK version of the Raph has the necessary hardware for UMTS with AT&T or T-mobile.
Click to expand...
Click to collapse
Thanks for the help.
Im just lazy to look at all the numbers and roms and threads on if and what works. I just want the radio for 3g T-Mobile to work. It be nice to have some other cool features as well but I really need 3G
thanks again
Yea, as i stated earlier, you have to try out the different ROMs and have the exact settings to get it to work.
kareem9nba said:
Yea, as i stated earlier, you have to try out the different ROMs and have the exact settings to get it to work.
Click to expand...
Click to collapse
I heard that it can brick your phone.....
thanks again
If you follow the instructions, you should be good to go. Just read and once you feel comfortable, do it.
See theproblem is its all over whelming to me.
I don't know if its 1700 or 2100 the phone has to have to work on tmo. And I also seen that the diamond shows 1700/1900 and 2100 umts but they are not active when someone selects it....
Kind of understand my position?
Tnx again for your reply
GlobalM3 - why don't you call TMO support phone number and ask which band to choose for 3G? Probably you also need to try to activate hsupa/hsdpa.
p.s.: anyway you should flash your phone to newest rom and radio available, possibly the fix is already in it...
GlobalM3 said:
See theproblem is its all over whelming to me.
I don't know if its 1700 or 2100 the phone has to have to work on tmo. And I also seen that the diamond shows 1700/1900 and 2100 umts but they are not active when someone selects it....
Kind of understand my position?
Tnx again for your reply
Click to expand...
Click to collapse
t-mobile uses umts 2100
it not being active can have many origins
u need a abbo for it , a login, server ip etc
best to check with the customerservice or on the t-mobile website
you can register your account there and the phone
once on the customerpage of your account you can choose to have the settings send by sms
this will auto-configure the proper settings
Guys I am referring to T-Mobile USA 3G not Euro T-Mobile.
THanks for the shot at help
GlobalM3 said:
Guys I am referring to T-Mobile USA 3G not Euro T-Mobile.
THanks for the shot at help
Click to expand...
Click to collapse
T-mobile usa uses 1700 and 2100.
GlobalM3 said:
I heard that it can brick your phone.....
thanks again
Click to expand...
Click to collapse
Well that's propably why you'll be seeing Rom's being singed to flash to Oli's SPL just like in th Diamond forum's
The main setup is safety.
Bricked devices being sent back to the Provider or HTC is in no one's Best interest (Excuse me if i used the incorrect phrasing here, but you know what i'm trying to say)
Heck i think if you donated 75 to XDA and 75 to anyone willing to help you flash and get the right tools there'd be plenty of users willing to help you out.
I think the most posters above are only trying to save you some money.
You'll need to flash a radio ROM from the AT&T ROMs. In fact, if you can, flashing the whole AT&T ROM may help.
I know AT&T and T-Mo USA have different bands, but the AT&T ROM is the only US ROM/Radio ROM, and so is the most likely to work (unless the devices ship with a radio ROM that covers all bands).
ROM flashing may come with a risk of bricking. Nothing is risk free, but the official RUUs are likely to work best (if the device is not CID locked that is)
Then I will donate some of that money to XDA
I wonder if att has the right band... but why would it :./
Thanks
It may not have the right band, but it's the only radio ROM that'll work at all on US 3G networks.
l3v5y said:
It may not have the right band, but it's the only radio ROM that'll work at all on US 3G networks.
Click to expand...
Click to collapse
So you are saying that the radio supports it but no the software?
GlobalM3 said:
So you are saying that the radio supports it but no the software?
Click to expand...
Click to collapse
I don't know. But without the software, there's no change the hardware will work fully.
As stated, T-mo US uses UMTS 1700 and 2100. The problem is T-mo is separating HSPA between the two bands: 1700 for the uplink (HSUPA) and 2100 for the downlink (HSDPA). I may be wrong, but I don't think any other carrier does this (AT&T 3G uses 850/1900, but both links are available in both bands).
It is unclear at this time whether any of the radio chipsets in current Europe/Asia 3G handsets can support this split implementation, henceforth referred to as AWS (even though AWS is a bit of a misnomer, since AWS refers only to the US 1700/2100 frequencies and not necessarily the split-HSPA configuration T-mo US is using).
We will probably have to wait until T-mo/HTC puts out an AWS-capable device and dissect it to see which radio chipset it uses. If the Pro has the same chipset, there might be a good chance of flashing the radio to support T-mo 3G.
Further Reading:
http://www.phonescoop.com/articles/aws/index.php?p=i
http://www.breakitdownblog.com/3g-iphone-may-not-work-on-t-mobile-3g-network/

[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?

[Q] If the GSM/UMTS modems are the same...

... In the AT&T and International versions of the Atrix... why can we not enable HSPA/UMTS on 900MHz through flashing radios or other software means?
Edit: Phone is an unlocked AT&T version on O2 UK with O2 sim.
Because the 900MHz band that the Atrix uses is part of the quad-band GSM, which is 2G/EDGE, not UMTS. Those are two different standards.
tehrules said:
... In the AT&T and International versions of the Atrix... why can we not enable HSPA/UMTS on 900MHz through flashing radios or other software means?
Click to expand...
Click to collapse
live4nyy said:
Because the 900MHz band that the Atrix uses is part of the quad-band GSM, which is 2G/EDGE, not UMTS. Those are two different standards.
Click to expand...
Click to collapse
But the international supports UMTS/WCDMA/3G/3.5/HSDPA/HSPA/HSPA+ on 900mhz going by all of the spec sheets I read.
UTMS is 3G. HSDPA is 3.5. A standard of WCDMA. HSPA is another WCDMA standard which again is a 3G Technology (3.7G?)... Either way they all come off the same 3G cell
Atrix International: GSM 850 / 900 / 1800 / 1900 | 3G Network HSDPA 850 / 900 / 1900 / 2100
Atrix AT&T: GSM 850 / 900 / 1800 / 1900 | 3G Network HSDPA 850 / 1900 / 2100
http://www.gsmarena.com/motorola_atrix-3709.php
http://www.gsmarena.com/motorola_atrix_4g-3708.php
Same hardware. Why can it not be enabled?
I don't know about the other bands but you specifically mentioned the 900MHz band so that was what I was talking about.
More than likely the carriers have locked the radios and/or hardware. It's like other carrier's world phones will not work on AT&T/T-mobile, even though they technically can support those bands.
http://www.androidcentral.com/ask-ac-what-happens-if-i-put-att-sim-card-motorola-photon-4g
http://www.androidcentral.com/will-droid-pro-work-att
tehrules said:
But the international supports UMTS/WCDMA/3G/3.5/HSDPA/HSPA/HSPA+ on 900mhz going by all of the spec sheets I read.
UTMS is 3G. HSDPA is 3.5. A standard of WCDMA. HSPA is another WCDMA standard which again is a 3G Technology (3.7G?)... Either way they all come off the same 3G cell
Atrix International: GSM 850 / 900 / 1800 / 1900 | 3G Network HSDPA 850 / 900 / 1900 / 2100
Atrix AT&T: GSM 850 / 900 / 1800 / 1900 | 3G Network HSDPA 850 / 1900 / 2100
http://www.gsmarena.com/motorola_atrix-3709.php
http://www.gsmarena.com/motorola_atrix_4g-3708.php
Same hardware. Why can it not be enabled?
Click to expand...
Click to collapse
I'll also add, there are a couple of threads on here that report that people have flashed other radios and seemed to have enabled access to 3G technologies on 900mhz.
http://forum.xda-developers.com/showpost.php?p=18820309&postcount=22.
http://forum.xda-developers.com/showpost.php?p=19879245&postcount=1
http://forum.xda-developers.com/showpost.php?p=15811026&postcount=7
http://forum.xda-developers.com/showthread.php?t=991912
live4nyy said:
I don't know about the other bands but you specifically mentioned the 900MHz band so that was what I was talking about.
More than likely the carriers have locked the radios and/or hardware. It's like other carrier's world phones will not work on AT&T/T-mobile, even though they technically can support those bands.
http://www.androidcentral.com/ask-ac-what-happens-if-i-put-att-sim-card-motorola-photon-4g
http://www.androidcentral.com/will-droid-pro-work-att
Click to expand...
Click to collapse
Thing is, its an unlocked AT&T phone on O2, and I want to take advantage of their new "Superfast 3G 900" network..
Maybe I should have made clear in the first post... woops.
Okay, the first two links do not show any proof they got it working on UMTS 900MHz band.
In this thread, the OP last updated his post (on Oct 8th) stating that he is stuck on EDGE:
Read post #1
http://forum.xda-developers.com/showthread.php?t=1313485
Again, in this thread, the OP (in post #3) says that he never got it working and the last person to comment (post #7) only says they got it working on the 2100MHz band, not 900MHz:
http://forum.xda-developers.com/showthread.php?p=19879245#post19879245
In your last two links (which come from the same thread) only one person "says" they got it working but provided no proof or means:
http://forum.xda-developers.com/showthread.php?p=15811026#post15811026
I wish I could help. I'm not saying it's impossible but as far as I know, 3G (HSPA/UMTS/WCDMA) can't be done on the 900MHz band if you're using an AT&T Atrix.
tehrules said:
I'll also add, there are a couple of threads on here that report that people have flashed other radios and seemed to have enabled access to 3G technologies on 900mhz.
http://forum.xda-developers.com/showpost.php?p=18820309&postcount=22.
http://forum.xda-developers.com/showpost.php?p=19879245&postcount=1
http://forum.xda-developers.com/showpost.php?p=15811026&postcount=7
http://forum.xda-developers.com/showthread.php?t=991912
Click to expand...
Click to collapse
live4nyy said:
Okay, the first two links do not show any proof they got it working on UMTS 900MHz band.
In this thread, the OP last updated his post (on Oct 8th) stating that he is stuck on EDGE:
Read post #1
http://forum.xda-developers.com/showthread.php?t=1313485
Again, in this thread, the OP (in post #3) says that he never got it working and the last person to comment (post #7) only says they got it working on the 2100MHz band, not 900MHz:
http://forum.xda-developers.com/showthread.php?p=19879245#post19879245
In your last two links (which come from the same thread) only one person "says" they got it working but provided no proof or means:
http://forum.xda-developers.com/showthread.php?p=15811026#post15811026
I wish I could help. I'm not saying it's impossible but as far as I know, 3G (HSPA/UMTS/WCDMA) can't be done on the 900MHz band if you're using an AT&T Atrix.
Click to expand...
Click to collapse
There doesn't seem to be any logic to why other than software as the radios taken out of all firmwares work on both versions. The only logical answer is software (if I could SBF flash a UK firmware, not CWM that would help, but there was other differences with the mainboard right?), or its the same chip just slightly modified without that band included.
I was mooching around system folders trying to find anything that could give me a clue, but to no avail.
I think it has something to do with what module is used, which is a hardware component. I know the AT&T Atrix uses the Qualcomm MDM6200 but I have no idea what other versions use.
I might be wrong though.
tehrules said:
There doesn't seem to be any logic to why other than software as the radios taken out of all firmwares work on both versions. The only logical answer is software (if I could SBF flash a UK firmware, not CWM that would help, but there was other differences with the mainboard right?), or its the same chip just slightly modified without that band included.
I was mooching around system folders trying to find anything that could give me a clue, but to no avail.
Click to expand...
Click to collapse
live4nyy said:
I think it has something to do with what module is used, which is a hardware component. I know the AT&T Atrix uses the Qualcomm MDM6200 but I have no idea what other versions use.
I might be wrong though.
Click to expand...
Click to collapse
Indeed, so logic would say that if we flash international radios for a different module (if they are different) would soft brick the phone or cause the phone to no get any kind of reception what so ever.
I do find the international radios and att radios (other than the stock and 1.87) make the H+ signal level not go over 1 bar.
I'm not sure about bricking the device but I know they usually have those radios locked down pretty good which is why most people need to buy unlock codes or get their carrier to unlock their phones for them. It's not very common that end users can crack them.
tehrules said:
Indeed, so logic would say that if we flash international radios for a different module (if they are different) would soft brick the phone or cause the phone to no get any kind of reception what so ever.
I do find the international radios and att radios (other than the stock and 1.87) make the H+ signal level not go over 1 bar.
Click to expand...
Click to collapse
live4nyy said:
I'm not sure about bricking the device but I know they usually have those radios locked down pretty good which is why most people need to buy unlock codes or get their carrier to unlock their phones for them. It's not very common that end users can crack them.
Click to expand...
Click to collapse
SIM Lock and Radio locks are two completely different things. SIM locks are easy to break with a £10 note and a guy with some device, a radio lock is more difficult we dunno if its hardware or software.
Has anyone got an international/uk/europe Atrix that they'd kindly tear to pieces to see if its the same cellular modem?

[Q] Modem firmwares. Any that would work.

I am curious..
I bought a SGS2 i9100 (international)
the site i bought it from says
Wireless RadioGSM 850 / 900 / 1800 / 1900 MHz
UMTS 850 / 900 / 1900 / 2100 MHz
Now.. i have a HTC panache (mt4g) that is on my carrier... and it says
AWS 1700, 2100 MHz (Bands I et IV)
IS THERE A MODEM I CAN FLASH FOR MY SGS2 that would work on my HTC panache carrier?
OK. Let's try this again...
Finding a modem that works well with your carrier & it's network with the SGS2 can be a bit of trial & error. Basically if the modem you're currently using is giving you lousy coverage/data speeds, start flashing/testing modems until you find one that works for you. Here's a link to a bunch of CWM flashable I9100 modems you can try to get you started. Do a Google search with XDA appended to your search terms & you should be able to dig up heaps of posts that link to others you can download/try.
Well it seems like i do have a australia modem (BUKI1)
When i put my SIM card from my HTC phone.. The SGS2 automaticly goes into roaming and doesn't detect the non roaming carrier..
By the way I'm in canada.
IT ALSO SEES THE APN for my HTC phone carrier when i put the sim card.. but goes straight to roaming
tradeware said:
Well it seems like i do have a australia modem (BUKI1)
When i put my SIM card from my HTC phone.. The SGS2 automaticly goes into roaming and doesn't detect the non roaming carrier..
By the way I'm in canada.
Click to expand...
Click to collapse
It can only detect a carrier on auto if the CSC has the carriers settings .
OZ modem most likely OZ CSC as well . Just set network manually .
jje
JJE i tried that... it doesn't even list the carrier in the list...
goes straight to roaming..
I think it's the modem that not doing it since it's a autralian Modem...
BUKI1
tradeware said:
IS THERE A MODEM I CAN FLASH FOR MY SGS2 that would work on my HTC panache carrier?
Click to expand...
Click to collapse
No, see http://forum.xda-developers.com/showthread.php?t=1203385
So it is impossible.. Can anyone else confirm this?
tradeware said:
So it is impossible.. Can anyone else confirm this?
Click to expand...
Click to collapse
Is your network T-Mobile USA? (I'm guessing yes since you've also got a MyTouch4G?)
The phone does not have the necessary radio hardware to receive 1700 mhz. Which is one of the bands necessary for AWS. So nothing better than Edge on T-Mobile USA.
No amount of modem flash is ever going to fix a hardware limitation.
Edit: Oh, I see from one of your posts above you're in Canada, so you're NOT on T-Mobile USA. BUT everything I said is still valid. If you're trying to get the phone to receive 1700 mhz, you won't have a lot of luck without some major phone surgery involving a hardware antenna engineer, as stated in the link provided to you by oinkylicious.

[Q] Lenovo p770 works on wcdma 900 mhz?

Does this phone works on wcdma 900 mhz?
czara6 said:
Does this phone works on wcdma 900 mhz?
Click to expand...
Click to collapse
No It won't, after look at what base-bands it is capable of using it can use GSM 900 mhz but not wcdma 900 mhz. Even though they are on the same frequency they after different radio technologies.
I know the difference between wcdma and gsm. My problem is that many Sellers writes that p770 support wcdma 900 mhz. So if any of you have this phone and can confirm that?
in search of the truth
czara6 said:
I know the difference between wcdma and gsm. My problem is that many Sellers writes that p770 support wcdma 900 mhz. So if any of you have this phone and can confirm that?
Click to expand...
Click to collapse
someone who has the phone can confirm??
I asked "etotalk" and this is their response:
answer:
Hi, regarding Lenovo P770 smartphone.
In the page of "etotalk" in the features it says "WCDMA 900/2100MHz" but the official website of "lenovo" puts WCDMA 2100Mhz. What is the correct figure?
responce:
Yes, lenovo shows is 2100mhz, but based on our customers' feedback, it should support 900 as well
Maybe my English is not clear because I use a translator but my response does not seem accurate
jmmarfda said:
someone who has the phone can confirm??
I asked "etotalk" and this is their response:
answer:
Hi, regarding Lenovo P770 smartphone.
In the page of "etotalk" in the features it says "WCDMA 900/2100MHz" but the official website of "lenovo" puts WCDMA 2100Mhz. What is the correct figure?
responce:
Yes, lenovo shows is 2100mhz, but based on our customers' feedback, it should support 900 as well
Maybe my English is not clear because I use a translator but my response does not seem accurate
Click to expand...
Click to collapse
Hello,
I have the p770 for one month. I am living in Bulgaria and I am using Vivacom GSM operator. Its 3G network is operating at 900 MHz. The phone is working fine with 3G enabled. In settings -> about phone it is said that the mobile network type is HSPA. I hope this helps.
Bkulov seems to be correct, i am living in Africa & using a cellular operator which runs on the 900mhz band. I get 3g and Hspa with the Lenovo p770. I ran a test with the speedtest.net app & i got 2046 kbps DL & 1457 kbps UL. I thought there could be a possiblity of the phone running on EDGE/2G but i dont think so myself because obviously the phone doesnt state it & they dont state EDGE data for the SIM 1 on the p770.
My over all view about this is that if etotalk.com mentioned that their customers did confirm 900mhz 3G band, then i do not see why it wouldnt be. If anybody with backround knowledge could give us some feedback it will be much appreciated ! Peace
TeddyDroid said:
My over all view about this is that if etotalk.com mentioned that their customers did confirm 900mhz 3G band, then i do not see why it wouldnt be. If anybody with backround knowledge could give us some feedback it will be much appreciated ! Peace
Click to expand...
Click to collapse
Link on this firmware etotalk.com and I tell you it works for 3G900 or not
UMTS-900 on Lenovo IdeaPhone P770
Hello!
I leave in Russian Federation in Moscow region, but 100km souther Moscow. In our region 3G connectivity only available in WCDMA-GSM-900, but this option is not available in EngeneerMode in BandMode section, only WCDMA-INT-2000.
Why UMTS-900 don't work on this phone if other smartphones on MTK6577 platform supports this mode? Is there any way to enable this mode or it has hardware locked chip?
p770 dual sim mtk6577 rooted but no sim management
FoxtrotKZ said:
Link on this firmware etotalk.com and I tell you it works for 3G900 or not
Click to expand...
Click to collapse
Dear sir
i am using p770 rooted, tried a lewa rom made for the phone. worked fine but changed its imei. after that i installed previous twrp backup. again changed imei and then sim management option was also disabeled in settings(faded option/cannot select ot tick). not network in phone even any network . sim detected but modem error shown in enginearing mode , tried original rom from official web through sp flash tool, same condition no signal and sign of radio off in network area. any suggessions what should i do,
its like another worse condition then brick, phone working but real phone feature is not working.
:fingers-crossed:..
plz help.
s_hri said:
... imei ...
its like another worse condition then brick, phone working but real phone feature is not working.
Click to expand...
Click to collapse
Hi.
I can only advise Russian forums.
http://lenovo-forums.ru/topic/1485-faq-imei-nvram-и-их-восстановление/
http://forum.china-iphone.ru/smena-imei-by-simka-mtk-6516-6513-6573-6575-77-t20516.html
http://4pda.ru/forum/index.php?showtopic=413327&st=1780#entry25656908
http://4pda.ru/forum/index.php?showtopic=413327&st=1560#entry25410635
Maybe here and there, look.

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