so here is the joke i call the galaxy s3 from hell cause the numerous head aches ive gotten. its says no to every ROM you put on. an also the fact that it refuses to go back to t999 an beliefs that that is a galaxy s3 from metro pcs. now i need to sell it an it needs to go back too t mobile software but Odin has not work since it registers the phone as t999n instead of t999. a little history how i got the phone i bought the phone like this from a real fat ass i told him i did not want it flash or rooted ill do it my self but fat **** did it anyway. now Im stock an don't now what to i need to put back to t mobile's software but the phone is register with a imei from a Nokia 3310 confused:idk how he did that) an it says t999n as model number and on the base band an on the model version. but when you get to back of the an open it up its t mobile an the original imie is t mobile so im pleading to any one who now's how to fix this problem HELP!!!!!!!!!!!!!!:crying:
No one will be able to help with the imei I'm afraid. Its illegal to change it. Chances are it was stolen and blacklisted, so he changed/cloned it so he could sell and make a huge profit. Who knows how it got to be that way with the firmware though. I'm guessing it has a T999N motherboard. You can't just put T999N firmware on a T999. It doesn't work that way and would cause it to brick. Plus the hardware between the two is different, so even if it didn't brick, it just wouldn't work.
So the most likely scenario here is it was a T999 and had a T999N mobo put in. I just don't see any other way it could work as you've described it.
This isn't a bad thing though. (Well, the imei part is), but the T999N is a more recent model and is LTE capable. The T999 does not have LTE.
I'd flash it back to stock T999N firmware. (I'm assuming it will flash that in Odin, right?) Then sell it as a T999N. In general, you could get more for it that way. But you really should be honest about the imei situation and I can't really say how that will affect it's price. Probably not much, but you never know... the big thing with changing an imei though, is it can often decrease the devices capabilities. In many instances it tries to reject it and can cause all sorts of problems, but you seem to have been lucky as far as that goes. But depending on different factors, such as the carrier it's used on, if the imei came from a 3G device, it may only be able to use up to 3G service. Like I said though, this can depend on other factors.
I hope that all help clear things up a little. Good luck with it!
Sent from my SGH-T999 using Tapatalk
DocHoliday77 said:
No one will be able to help with the imei I'm afraid. Its illegal to change it. Chances are it was stolen and blacklisted, so he changed/cloned it so he could sell and make a huge profit. Who knows how it got to be that way with the firmware though. I'm guessing it has a T999N motherboard. You can't just put T999N firmware on a T999. It doesn't work that way and would cause it to brick. Plus the hardware between the two is different, so even if it didn't brick, it just wouldn't work.
So the most likely scenario here is it was a T999 and had a T999N mobo put in. I just don't see any other way it could work as you've described it.
This isn't a bad thing though. (Well, the imei part is), but the T999N is a more recent model and is LTE capable. The T999 does not have LTE.
I'd flash it back to stock T999N firmware. (I'm assuming it will flash that in Odin, right?) Then sell it as a T999N. In general, you could get more for it that way. But you really should be honest about the imei situation and I can't really say how that will affect it's price. Probably not much, but you never know... the big thing with changing an imei though, is it can often decrease the devices capabilities. In many instances it tries to reject it and can cause all sorts of problems, but you seem to have been lucky as far as that goes. But depending on different factors, such as the carrier it's used on, if the imei came from a 3G device, it may only be able to use up to 3G service. Like I said though, this can depend on other factors.
I hope that all help clear things up a little. Good luck with it!
Sent from my SGH-T999 using Tapatalk
Click to expand...
Click to collapse
Thanks for the help um is it illegal to change the imei?
DocHoliday77 said:
No one will be able to help with the imei I'm afraid. Its illegal to change it. Chances are it was stolen and blacklisted, so he changed/cloned it so he could sell and make a huge profit. Who knows how it got to be that way with the firmware though. I'm guessing it has a T999N motherboard. You can't just put T999N firmware on a T999. It doesn't work that way and would cause it to brick. Plus the hardware between the two is different, so even if it didn't brick, it just wouldn't work.
So the most likely scenario here is it was a T999 and had a T999N mobo put in. I just don't see any other way it could work as you've described it.
This isn't a bad thing though. (Well, the imei part is), but the T999N is a more recent model and is LTE capable. The T999 does not have LTE.
I'd flash it back to stock T999N firmware. (I'm assuming it will flash that in Odin, right?) Then sell it as a T999N. In general, you could get more for it that way. But you really should be honest about the imei situation and I can't really say how that will affect it's price. Probably not much, but you never know... the big thing with changing an imei though, is it can often decrease the devices capabilities. In many instances it tries to reject it and can cause all sorts of problems, but you seem to have been lucky as far as that goes. But depending on different factors, such as the carrier it's used on, if the imei came from a 3G device, it may only be able to use up to 3G service. Like I said though, this can depend on other factors.
I hope that all help clear things up a little. Good luck with it!
Sent from my SGH-T999 using Tapatalk
Click to expand...
Click to collapse
Hey here's an update thanks for the help again I Install stock ROM too it but no didn't do anything I still cant update my android os an it says my device is custom after installing stock ROM with Odin but thanks anyway
wuflu23 said:
Hey here's an update thanks for the help again I Install stock ROM too it but no didn't do anything I still cant update my android os an it says my device is custom after installing stock ROM with Odin but thanks anyway
Click to expand...
Click to collapse
You need to go back into stock recovery and factory reset. After that you should be able to update it, or just flash the latest firmware with Odin
Related
I recently attempted to root my SGS2 but I mistakenly installed firmware from the i9100 instead of the version I had, the SPH-D710, also known as the Epic Touch 4g. ( I was unaware there were three versions of the SGS2).
Odin failed, and all my subsequent efforts to flash proper firmware got as far as the LAST file (hidden.img) and then failed, too. I'm guessing it was a driver issue or a cable issue or something.
In desperation I started looking around the forums for any way to salvage this, and ended up going down a few fruitless tangents, but I did find out about the jig method of resetting the flash counter.
I booted into download mode and realized that the flash counter is actually zero - it says that I have an official binary loaded.
With that said, will Samsung / Sprint honor my warranty under these conditions? I have heard that people have gotten replacement phones even when they successfully flash custom firmware to their phones via the jig reset, so I'm feeling pretty confident they will.
Thanks for your help!
sirdangolot5 said:
( I was unaware there were three versions of the SGS2).
Click to expand...
Click to collapse
Worth noting its actually way beyond 3. i9100 international, then you have the Epic 4G Touch, AT&T has the Skyrocket and then they have another one that is just a GS2 but its not the international. Then you have T-Mobiles variant all of these so far are different phones. Canada has 3, Mexico has an LTE variant, The Caribbean and then I even heard Japan has one. Oh and dont let me forget about the 3 south korean ones. I thought it was just 4 at first.
Just do a warranty exchange at a sprint store say nothing and hope for the best.
So I'm in the clear? That's certainly a relief.
Sent from my SPH-M580 using XDA App
sirdangolot5 said:
So I'm in the clear? That's certainly a relief.
Sent from my SPH-M580 using XDA App
Click to expand...
Click to collapse
I wouldnt say that. Assuming nothing else appears out of place the warranty exchange may work just fine. Doesnt mean it will. Most of us running root phones with custom roms have a download screen that says exactly the same thing. When the phone turns on it says a whole different story. If the phone wont boot and nothing else is out of place you will probably get away with it. From the sound of it you have had a bit more luck than others though in trying to get the phone to normal.
Just remember in the future any phone sprint carries if its available on any other carrier its not the same phone. Sprint is the only CDMA carrier that uses WiMax and until the LTE switch they have no chance of carrying anywhere near compatible 4G hardware with Verizon. International phones are usually GSM/HSPA and the sort and the hardware is different.
It is a YMMV, but you have a good chance of being ok with normal techs. You could always run into the one stickler though and all bets are off.
RainMotorsports said:
If the phone wont boot and nothing else is out of place you will probably get away with it. From the sound of it you have had a bit more luck than others though in trying to get the phone to normal.
Click to expand...
Click to collapse
Yes, this is my exact situation. My hopes are renewed.
I currently have a Galaxy S3, running rooted stock ICS for Tmobile - and I would like to switch over to ATT and keep the same phone, just flash the ATT JB stock firmware onto it (or a custom ROM), and whatever other flashes may be needed to make it work, or something along those lines. Is this even possible?
The only reason I would think it could work is that they are both GSM phones so the tech should essentially be the same right? And since it's rooted, switching the SIM shouldn't be an issue either, as I have done so when I am travelling.
Or are there other major diffs between the 2 s3's that I am missing which make this an impossible.
I have a friend who is looking to buy a new S3 from ATT, and I would just as soon sell him mine with their stock stuff on there if they are basically the same.
Many thanks in advance to any who can help shed light on this.
U have complete wrong idea brother. You cant just flash att s 3 rom on tmobile s 3.
Find some att based rom for tmobile s3 . i think we have some.
Its almost same hardware but not same network antenna. So you cant run att 4g on it.
Simply dont flash att rom on it unless its says for tmobile.
bikrame said:
U have complete wrong idea brother. You cant just flash att s 3 rom on tmobile s 3.
Find some att based rom for tmobile s3 . i think we have some.
Its almost same hardware but not same network antenna. So you cant run att 4g on it.
Simply dont flash att rom on it unless its says for tmobile.
Click to expand...
Click to collapse
I always thought that Tmo (i was actually told this by tech support once) shares antennas/repeaters with ATT... so I guess they are just piping the 4G through a diff frequency or something, and the antenna isn't tuned to pick it up. damn.
are there any carriers it WILL work with?
mikewikkid said:
I always thought that Tmo (i was actually told this by tech support once) shares antennas/repeaters with ATT... so I guess they are just piping the 4G through a diff frequency or something, and the antenna isn't tuned to pick it up. damn.
are there any carriers it WILL work with?
Click to expand...
Click to collapse
The T999 supports at&t's 3G, just not their LTE (T999 doesn't support LTE period).
What was being told to you is don't flash an at&t baseband (radio), recovery, or full ROM to the phone or you risk a brick. Any of the ROMs marked *AROMA* have multi-carrier compatibility, you just choose the underlying device.
mikewikkid said:
I currently have a Galaxy S3, running rooted stock ICS for Tmobile - and I would like to switch over to ATT and keep the same phone, just flash the ATT JB stock firmware onto it (or a custom ROM), and whatever other flashes may be needed to make it work, or something along those lines. Is this even possible?
The only reason I would think it could work is that they are both GSM phones so the tech should essentially be the same right? And since it's rooted, switching the SIM shouldn't be an issue either, as I have done so when I am travelling.
Or are there other major diffs between the 2 s3's that I am missing which make this an impossible.
I have a friend who is looking to buy a new S3 from ATT, and I would just as soon sell him mine with their stock stuff on there if they are basically the same.
Many thanks in advance to any who can help shed light on this.
Click to expand...
Click to collapse
Sorry to say, but you are forgetting something, a stock rooted Tmobile Galaxy S3
is not compatible with the AT&T services as well as any of the AT&T roms.
You would need to UNLOCK the phone first before doing anything else.
Good Luck!
Thread belongs in Q&A, reported.
|When Emotion Goes Up, Logic Goes Down|
|Even If You Fall Face First You're Still Moving Forward|
Misterjunky said:
Sorry to say, but you are forgetting something, a stock rooted Tmobile Galaxy S3
is not compatible with the AT&T services as well as any of the AT&T roms.
You would need to UNLOCK the phone first before doing anything else.
Good Luck!
Click to expand...
Click to collapse
pardon my ignorance, but what is the diff between unlocking and rooting, and how can I go about doing it? Also, and this is an aside, the only way that i can find to change the IMEI of a T999 is by using an external box - there is no software-only method of doing this yet, correct?
re: unlocking
mikewikkid said:
pardon my ignorance, but what is the diff between unlocking and rooting, and how can I go about doing it? Also, and this is an aside, the only way that i can find to change the IMEI of a T999 is by using an external box - there is no software-only method of doing this yet, correct?
Click to expand...
Click to collapse
To put it into simple terms,
Rooting a phone allows YOU to make changes to the phone which includes flashing roms as well as
allowing apps which require root access to work on your phone which are available at the play store.
But rooting has nothing to do with AT&T or any other carriers.
Unlocking a phone allows the phone to communicate with different carriers like AT&T and others.
Your phone does not need to be rooted to work with different carriers, it only needs to be Unlocked.
Also once the phone is unlocked you would need a AT&T Sim card for it to work.
Even an Unlocked Galaxy S3 will not work on AT&T unless you have a AT&T sim card.
There is absolutely no reason to change IMEI.
If you want to find out more about Unlocking, here is a link: https://www.google.com/search?q=unl...96,d.cGE&fp=db8d96ed93be75f0&biw=1017&bih=490
Check out the videos and articles.
Good Luck with the phone.
mikewikkid said:
pardon my ignorance, but what is the diff between unlocking and rooting, and how can I go about doing it? Also, and this is an aside, the only way that i can find to change the IMEI of a T999 is by using an external box - there is no software-only method of doing this yet, correct?
Click to expand...
Click to collapse
This is what you need, a SIM Unlock - and it happens to be rather easy on the S3.
http://forum.xda-developers.com/showthread.php?t=2023709 :good:
they are right. you need to unlock your phone. if you go into a store or call customer care they should be able to help you out with unlocking it. i used to work for tmobile and i remember unlocking a few peoples phones.
Hi all -
Yes I am new here, but I have used this site for quite some time and haven't really been able to figure out the answer so here goes. I have a T-Mobile T889 Note 2 but I have ATT service. While I get service here at my house with the MB4 baseband, as soon as I leave and go anywhere, I lose signal where I would have it if I had an ATT version of this phone. In short, my actual signal stinks. My phone is unlocked, rooted, and I have run many different roms and tried modem zip files to no avail, only getting boot loops. I have tried the *#197328640# as well.
My question is: Is it possible to turn this T889 into a i317 ATT version so I can get better signal? Or am I just up a creek? There has to be a way to get a ATT modem to actually work.
Please, any help would be great, and thanks so much for all the input all of you have.
Update!
pmt223 said:
Hi all -
Yes I am new here, but I have used this site for quite some time and haven't really been able to figure out the answer so here goes. I have a T-Mobile T889 Note 2 but I have ATT service. While I get service here at my house with the MB4 baseband, as soon as I leave and go anywhere, I lose signal where I would have it if I had an ATT version of this phone. In short, my actual signal stinks. My phone is unlocked, rooted, and I have run many different roms and tried modem zip files to no avail, only getting boot loops. I have tried the *#197328640# as well.
My question is: Is it possible to turn this T889 into a i317 ATT version so I can get better signal? Or am I just up a creek? There has to be a way to get a ATT modem to actually work.
Please, any help would be great, and thanks so much for all the input all of you have.
Click to expand...
Click to collapse
Hope this helps anyone with issues on their phone...Contacted Samsung Support about my terrible radio/signal issues (going through T-Mobile was ridiculous, as I could not find the receipt, but the phone is still within its warranty period anyway). Samsung sent me a UPS label to ship the phone back. Flashed the phone back to stock and rolled the counter back to 0 using the tuts on here. Took about a week or so, but looks like they replaced two components on the phone after finding the following: NO PCS SERVICE - WILL NOT CHARGE - SIM ELECTRICAL FAILURE. Two components were replaced (not detailed as to what though). Samsung is sending the phone back to me now, no cost to me and no need for receipt either (since the phone hasnt even been on the market for a year, so it is def within warranty). So while many of us might find some issue with our phone and we continuously looks for different ways of tweaking or whatever, sometimes it's actual issues with the hardware that may need replacing.
Thanks all!
Hi
I don't know if I am asking in the right place but if someone knows the answer I would really appreciate it.
I found a good deal on a Note ll that would save me a lot of money, only thing is I'm with Windmobile/Canada (which uses 1700/2100 frequency/bands and AWS network similar to T-Mobile in the USA as some of you know) but the phone isn't (works with Rogers, Bell, Fido...).
Now, I'm just dying to know, is there ANYTHING I can do to make the phone work with Wind? I've read and read and read I can't find a definitive answer. Some people selling Note ll phones on Craigslist claim their phones work with any carrier including Wind or Mobilicity. But some people say no way in hell that's possible.
So, please, can someone give me an answer to my question? Yes or no?
Thanks.
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Questions and help issues go in Q&A and Help sections
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Electroman365 said:
Hi
I don't know if I am asking in the right place but if someone knows the answer I would really appreciate it.
I found a good deal on a Note ll that would save me a lot of money, only thing is I'm with Windmobile/Canada (which uses 1700/2100 frequency/bands and AWS network similar to T-Mobile in the USA as some of you know) but the phone isn't (works with Rogers, Bell, Fido...).
Now, I'm just dying to know, is there ANYTHING I can do to make the phone work with Wind? I've read and read and read I can't find a definitive answer. Some people selling Note ll phones on Craigslist claim their phones work with any carrier including Wind or Mobilicity. But some people say no way in hell that's possible.
So, please, can someone give me an answer to my question? Yes or no?
Thanks.
Click to expand...
Click to collapse
Yes, it is possible. There is an unlock method before upgrading to 4.1.2. When the Note II came out with 4.1.1, there is a method used (go to the general forums to find more about this) without rooting the device.
If I were you, though, I would not trust online purchases of the Note II. Some people claim it stolen after you buy it so they get compensation for it if they have insurance for their phone.
Sent from my SGH-T889V using xda app-developers app
Caveat emptor. There are stolen devices out there, and fraudulent sellers.
With this disclaimer out of the way, your sellers with I317Ms claiming they'll work on Wind and Mobilicity have simply applied the mod outlined in this thread which you could do yourself.
If I were to buy another Note 2 via classifieds now, I'd pick a locked I317M (I'd avoid a locked BMA3 running T889V due to its modem-related bootloop issues), flash its initial release modem with Odin, unlock, update, and apply the AWS mod. (Granted I'm using Virgin Mobile, but having AWS could come in handy stateside with a T-Mobile prepaid SIM.)
Thanks kennyglass for moving my question to the right place. I wasn't sure where to ask because I'm not a frequent user of this site.
Thanks a million to Crinkypops and Darkshado for answering my question. I appreciate that. The good news is that now I know it is possible to make the phone work on an AWS network. The bad news is I have no clue how to do any of that stuff myself. I have zero experience or knowledge in this stuff, which means l'll probably have to get someone else with the necessary expertise to do this for me.....if l can find one.
Now a couple of things, if I get a new phone (factory unlocked) and it's already 4.1.2, would it be possible to change it to the older 4.1.1 ?
Is doing all the stuff you guys told me about involve rooting or whatever? I really don't want to mess up the phone with changing all kinds of things on it because I don't want to get stuck without a phone if something goes wrong and like I said I don't know anything about this stuff.
So, what if I buy a phone that was made to work with Wind or T-Mobile, would it be possible to modify it to make it work with other companies too? I really don't know why things have to be this complicated.
You have to start somewhere, it'll take a fair amount of reading, but it can be done.
Aside from their previous Nexus models, as of writing these lines, there's no such thing as a "factory unlocked" phone for Samsung Canada. All the SIM-unlocked devices you encounter were sold through carriers, and originally locked. Some sellers might also have grey market imports that were indeed never locked, but that's beyond the scope of this discussion, since we're interested in the North American variants of the Note 2.
You can downgrade the ROM back to 4.1.1 on all Canadian Note 2 variants, although I wouldn't try it on the T889V because it's been known to cause issues. Seems like there's a bug specific to this model.
You said you didn't want to be stuck without a phone if things went wrong, how about having a backup phone? The nice thing with two Android phones is that it's easy to keep their contacts and calendars synchronized.
The downgrade-to-unlock procedure can be done entirely using official (leaked) Samsung ROM images and tools, and does not require root. Done properly it will not trip the custom flash counter.
The AWS mod uses hidden factory built-in menus with leaked (QPST/QXDM) or reverse engineered tools (NV reader-writer / CDMA Workshop / EFS Pro). Again, it doesn't involve root and won't trip the flash counter. I317Ms that have had the AWS HSPA mod applied still work with their original carriers as before.
Thanks again, darkshadow.
Quick question. How do I know if the phone is I317M or BMA3 and running T889V ? Is l317M or BMA3 written on the back (once the cover is removed)?
Electroman365 said:
Thanks again, darkshadow.
Quick question. How do I know if the phone is I317M or BMA3 and running T889V ? Is l317M or BMA3 written on the back (once the cover is removed)?
Click to expand...
Click to collapse
You can check it at the bottom of the box with the IMEI. I would advise you to actually go on the phone, though, and go to settings>about phone and then you'll see the IMEI, baseband, and model number in there. Make sure that the IMEI matches with the box. Some people steal phones and then just buy boxes so beware.
Good luck on your purchase!
Sent from my SGH-T889 using xda app-developers app
Crinkypops said:
You can check it at the bottom of the box with the IMEI. I would advise you to actually go on the phone, though, and go to settings>about phone and then you'll see the IMEI, baseband, and model number in there. Make sure that the IMEI matches with the box. Some people steal phones and then just buy boxes so beware.
Good luck on your purchase!
Sent from my SGH-T889 using xda app-developers app
Click to expand...
Click to collapse
Thanks, crinkypops. I appreciate it and thanks for the info. If I buy a used phone I'll ask for the receipt and the box too.
Electroman365 said:
Thanks, crinkypops. I appreciate it and thanks for the info. If I buy a used phone I'll ask for the receipt and the box too.
Click to expand...
Click to collapse
Just trying to help a fellow Canadian PM me how the purchase goes.
Sent from my SGH-T889 using xda app-developers app
Thanks again, crinkypops. I will. I first have to find out if the phone the guy can get me is an i317m and I'll go from there.
Well, looks like the only option I have is to buy a used Note II on CL. My "friend" who was going to hook me up with a new phone through a buddy of his is an unreliable scum bag of a "friend" and I'm not going to bother with him any more.
So now I'm looking on CL but I'm trying not to buy any phone unless the seller has the sales receipt to make sure I'm not buying something that's stolen.However, some sellers don't want to give the receipt -although willing to show it- because it has their personal information and my question is, would the receipt have the ID # (if that's what it's called) of the particular phone printed on it? If the phone is still under warranty, would it be possible to get it repaired (if there's a need) without a receipt?
Any other advice on how to avoid getting scammed buying a phone on CL?
Thanks.
Which city are you from? I am in vancouver and might consider selling if the price is right. I have the box and receipt. Phone is rooted running x14 with wind. Its still locked though.
Sent from my Nexus 7 using xda app-developers app
I don't know what the problem is. I tried to send private messages to vseslija and crinkypops but I don't think they went through.
vseslija, was your phone purchased from Wind?
---
I'm a bit confused. Some guy is telling me I need to get the T889 and not the i317m if I want to use my phone with Wind, but from the answers here and from what I see on CL that can't be correct. Am I right? He says the i317m will be slow and unstable. Speed of T889 vs i317m : 42 mbps vs 21 mbps. Any thoughts?
Thanks.
Yup mine was purchased directly from wind.
That guy is bsing you
Sent from SGH-T889v Canadian Wind Mobile
Hmm, the guy isn't completely wrong, but he's not completely right either...
The (Canadian) T889V and I317M as well as the (US) T889 and I317 are all capable of 42 Mbps DC-HSPA. The 21 Mbps numbers you might have seen are due to AT&T's HSPA network not supporting dual channel operation, unlike most (all?) Canadian HSPA networks.
The T889 and T889V work on AWS HSPA carriers like Wind, Mobilicity, Videotron or T-Mobile USA out of the box. (The T889V won't work on LTE if you decide to switch back to Robellusfivirkoo, but that's another story, and there's also a way to enable that.)
The I317 and I317M won't, but are very easy to modify in order to enable the AWS HSPA you'll need. There have been a handful of reports of flaky connections on the AWS mod thread, but the ratio is so low that I'm lead to wonder if: there's an undocumented hardware revision for which the mod won't work, their phones or cellular networks had other issues, or if those trying to apply it did something wrong along the way.
I haven't checked Kijiji or CL for phones in a while, but I do recall the T889V commanding a slight premium over the I317M at one point because they were rarer.
Thanks again guys for replying. Man this has given me a lot of headache. Get a Wind Note and get it over with or get an i317m and mod it (have someone do it for me) to get it to work with AWS? I guess listening to what you guys had to say, plus asking a local cell phone shop is making me feel confident that it IS possible to get an i317m work on the AWS without any problems. Now, I think I'm going to take my chances and look for one on CL. In the worst case scenario if for some reason it gives me a headache I'm assuming I can have the process reversed (restore it to its original system) and I'll just sell it and get me a Note that was made specifically for Wind.
To those who helped me and answered my questions, THANK YOU VERY MUCH.
Just noticed the i317. So I guess there's an i317 and an i317m. Did some reading but the only difference I can see is that the "M" model is for the Canadian market. Am I right? Does an i317 work in Canada just fine?
The AT&T I317 should work just fine. But, (there's always one, isn't it?) its baseband has some "annoying" limitations (RAT lock is the term you'll want to search) that prevent you from toggling between network modes easily, i.e. you can't switch it between GSM only, WCDMA only, GSM/WCDMA/LTE like you can the Canadian model. Plus there are all the import related considerations you have to keep in mind (taxes and brokerage fees), plus buying something expensive sight-unseen.
The other differences are more benign and software-related. Nothing that can't be fixed with some ROM-flashing, like non-Robellusfivirkoo CSC settings.
Darkshado said:
The AT&T I317 should work just fine. But, (there's always one, isn't it?) its baseband has some "annoying" limitations (RAT lock is the term you'll want to search) that prevent you from toggling between network modes easily, i.e. you can't switch it between GSM only, WCDMA only, GSM/WCDMA/LTE like you can the Canadian model. Plus there are all the import related considerations you have to keep in mind (taxes and brokerage fees), plus buying something expensive sight-unseen.
The other differences are more benign and software-related. Nothing that can't be fixed with some ROM-flashing, like non-Robellusfivirkoo CSC settings.
Click to expand...
Click to collapse
Thanks for the reply and the info. I just got an i317m. Finally.
Hi,I have this issue with my T-Mobile Galaxy S3 (SGHT999)
.It seems to be in the Edge network even though I'm in a 3g/4LTE service area. The phone is slow.I could use a solution and looking for suggestions on how to fix this 4G network phone.I have another Galaxy S3 (SPH-L710) with another carrier with no problems. Well one problem I'm not with that carrier any longer. This phone doesn't have a sim card slot like the T-Moble phone has. The other problem is the wifi reception. Its ok in the room with the router but you go say 30' away and communication is spotty. Other S3 phone I could be 100' away no problem. I thought all Galaxy S3's were the same. Thanx for any help.
What carrier are you using it with? Make sure you have correct apn settings. For the WiFi not sure, 100 foot seems a little extreme for no problems, unless they were different routers
Sorry to resurrect an old thread but Im facing this exact same problem right now. I have two SGH-T999s, both unlocked, and while 4G works perfectly on one, the other only works in GSM/EDGE mode and will find no signal when I switch to WCDMA only. Both phones in the same location, the exact same sim switched between both handsets, works fine on one and not on the other. I have already reset the phone multiple times, reflashed the stock firmware, replaced the stock firmware with CyanogenMod 11 as well as the 12.1 nightly, NOTHING makes a difference. It will stick to GSM and EDGE only and will just not connect in 3G/4G.
At this point, I am guessing this is a hardware problem. The same exact stock firmware has been flashed on both devices, so it cannot be a difference in version. The phone with the trouble has been dropped and has a shattered front glass. I wonder if something else might have been knocked loose when it fell. I opened it up and tried to reconnect the antenna, but noticed that only one end was using a connector, the other end appears to be soldered. I did not try to pull the motherboard out, nor touched the sim tray.
Does anybody have any suggestions on where to look next to troubleshoot this problem?
I am also having this same problem; I've tried everything, including the things on this thread: http://forum.cyanogenmod.org/topic/...ge-on-phone-and-not-34g-imeidata-issue-fixed/
If anyone has found a solution, that would be great...
Check to make sure the imei in About Device isn't blacklisted and that it matches the one under the battery.
If it does and you have Odin flashed the stock firmware and factory reset, it is most likely a hardware problem.
FYI, the antenna you see when you open it up is the wifi antenna, not the cellular one.
Sent from my SGH-T999 using Tapatalk
DocHoliday77 said:
Check to make sure the imei in About Device isn't blacklisted and that it matches the one under the battery.
If it does and you have Odin flashed the stock firmware and factory reset, it is most likely a hardware problem.
FYI, the antenna you see when you open it up is the wifi antenna, not the cellular one.
Sent from my SGH-T999 using Tapatalk
Click to expand...
Click to collapse
Hmm, I saw that there was an IMEI present, but never considered it could be different!!! You are right, the IMEI on the back of the phone does not match the one shown in About Device! How could this have happened? The person who used it before is not someone who fiddles with their phone... The best I can think of is that whoever unlocked the phone for them must have done this!
I did see numerous threads about missing IMEI, but didn't pay attention because mine was not MISSING it! Also noticed it is against xda site rules to even discuss that stuff. But since I inherited a phone that came like this, I guess the mods will forgive me for saying "let me google this"
EDIT: Oh yes, the IMEI on the back of the phone checks out.
Also, did not know the antenna was the wifi one! But since its IMEI related, I guess thats not an issue anymore
Fixed it!!!
UPDATE: As per DocHoliday77's advice, I'm deleting the links and explicit instructions. Suffice it to say all the information you need to do this is available on this site itself.
After @DocHoliday77 pointed out that the IMEI may be incorrect, I did some research and managed to restore my IMEI as well as get 4G back.
I was able to restore my device because I had the advantage of having a fully working device with me from which I could pull the EFS partition as well as get an NV dump. For those that do not have a second device, I do not know how they can get things working again. In anycase, all of the information I needed to accomplish this was found in three threads on this site. The only additional piece of information that T-Mobile users need is that to get your device into Diagnostic mode, the dialer code is *#0808#.
Wanam's Partitions Backup & Restore... does a much better job at backing up the correct partitions for EFS.
EFS Professional for everything else.
And before anybody asks, sorry I cannot provide you a copy of my EFS backups. Only becuase I am not knowledgable enough to know how much personal information is contained in that partition, but given that the IMEI is dependent on it, I hope you can understand why I cannot share mine. Perhaps DocHoliday77 will be able to suggest a way for others to get this sorted out.
That's great that you got it fixed! And kudos for figuring it out on your own!
Though you may want to edit out any instructions and links as they are not allowed to be posted. (Too many people jump on this stuff in an attempt to get stolen devices to work again....highly illegal) (it's why this stuff is so hard to find usually!)
If anyone does have problems with this please feel free to PM me and I will do my best to help.
Sent from my SGH-T999 using Tapatalk