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[Q] HItting roadblock enabling T-Mobile APN on rooted 4.1.2

Hello.
First of all. I have no experience in rooting. I am reading, and learning, and troubleshooting and this is where I am at.
SCH-I535
4.1.2 Build JZ054K.I535VRBNB1
Bought an unlocked verizon phone from craigslist to use on tmobile. Took it to store and got the micro sim. Text and voice only. No data working. No ability to add APN via menu. They look up the build and say it has been rooted. So I figure I can learn how to edit or add the APN myself.
I find this thread that says a fix may be to edit build.prop to get access to add APN but it fails to save the prop file.
forums.androidcentral DOT com/verizon-galaxy-note-2-rooting-roms-hacks/241691-mod-add-apn-editor-system-settings.html
Then i try this but Titatanium Backup Pro can "not acquire root access. "
forum.gsmhosting DOT com/vbb/archive/t-1563675.html
I run Root Checker Basic and it says "does not have proper root access".
So, I am confused. Was tmobile incorrect and my phone is NOT rooted? Or is it rooted improperly? Or do I need to learn how to do it myself in order to use this phone on tmobile with data?
any help appreciated. I guess this thread might be "is my phone rooted or not". I gonna search some more. I think it might not be.
Thanks.

You're not rooted. Here's another way to check, look for "su" file in System/bin file path. If it's not there then you're not rooted.
Sent from my SCH-I535 using xda app-developers app

SlimSnoopOS said:
You're not rooted. Here's another way to check, look for "su" file in System/bin file path. If it's not there then you're not rooted.
Sent from my SCH-I535 using xda app-developers app
Click to expand...
Click to collapse
****.
There is no SU file. So, I guess this is a good thing. I mean. It's an unrooted, unlocked Verizon phone good for voice and text on any GSM/Global network, right?
But, in order to get data I need to root it?

dallaswonderland said:
****.
There is no SU file. So, I guess this is a good thing. I mean. It's an unrooted, unlocked Verizon phone good for voice and text on any GSM/Global network, right?
But, in order to get data I need to root it?
Click to expand...
Click to collapse
Correct on both accounts. You should be fine with texts/calls on GSM/Global networks.
I think you may have misinterpreted what "unlocked" meant in this case though. Sounds like you purchased a dev edition GSIII which comes with an unlocked bootloader. That's entirely different than it being sim unlocked for GSM networks. Once you root, look for a thread in the dev section titled " Fully working Verizon S3 on T-Mobile" and you'll find what you need. You'll only get edge speeds.
Edit: To get working GSM data you need to edit APN's which you can only do if rooted.
Sent from my SCH-I535 using xda app-developers app

just to be clear
SlimSnoopOS said:
Correct on both accounts. You should be fine with texts/calls on GSM/Global networks.
I think you may have misinterpreted what "unlocked" meant in this case though. Sounds like you purchased a dev edition GSIII which comes with an unlocked bootloader. That's entirely different than it being sim unlocked for GSM networks. Once you root, look for a thread in the dev section titled " Fully working Verizon S3 on T-Mobile" and you'll find what you need. You'll only get edge speeds.
Edit: To get working GSM data you need to edit APN's which you can only do if rooted.
Click to expand...
Click to collapse
OK. I think I get what you are saying.
So, in order to get full 4G tmobile data, i need to root the phone so I can edit the APN's.
OR are you saying only edge speeds no matter what I do (and is that due to other issues like phone frequencies)?
Otherwise, I have a basic stock verizon network phone with the latest JB 4.1.2
or non-verizon wifi only device that can be hot swapped to voice/text on any GSM network worldwide, but no mobile data unless rooted.
do I have that correct?

dallaswonderland said:
OK. I think I get what you are saying.
So, in order to get full 4G tmobile data, i need to root the phone so I can edit the APN's.
OR are you saying only edge speeds no matter what I do (and is that due to other issues like phone frequencies)?
Otherwise, I have a basic stock verizon network phone with the latest JB 4.1.2
or non-verizon wifi only device that can be hot swapped to voice/text on any GSM network worldwide, but no mobile data unless rooted.
do I have that correct?
Click to expand...
Click to collapse
As of today, you'll only see T-Mobile's Edge speeds once you root and edit the APN's. Yes it's due to T-Mobile's frequencies and the fact that the phone was programmed for Verizon. If you travel overseas you might see 2g or HSPA depending on the frequencies of the carrier you're roaming on but that's hard to pinpoint.
So, currently yes you have either a Wi-Fi only device or a GSM/Global capable device that can text/call WITHOUT rooting.
Sent from my SCH-I535 using xda app-developers app

ouch
SlimSnoopOS said:
As of today, you'll only see T-Mobile's Edge speeds once you root and edit the APN's. Yes it's due to T-Mobile's frequencies and the fact that the phone was programmed for Verizon. If you travel overseas you might see 2g or HSPA depending on the frequencies of the carrier you're roaming on but that's hard to pinpoint.
So, currently yes you have either a Wi-Fi only device or a GSM/Global capable device that can text/call WITHOUT rooting.
Click to expand...
Click to collapse
gotcha. and a bummer. not sure it's worth it to root for those speeds. and I don't really travel overseas anyway. I guess I need to figure out how to trade for a t-mobile phone. or resell it on craigslist and start over.
thanks again!

[Q] How to enable hot spot with non-AT&T SIM?

I have a Skyrocket with 4.1.2 from AT&T, that is off-contract and unlocked by AT&T. When I travel overseas, it works fine for everything with a local SIM card except that I can't enable the hotspot function. Instead, I get the message "Mobile data is not available or invalid SIM." I ran into this when travelling in Taiwan and tried the same SIM card in a local phone from a colleague - the SIM card worked fine for the hotspot function in the local phone.
I have spoken to tech support at AT&T who say that the problem is that the APN (Access Point Name) is not compatible with non-AT&T SIMs. Is this true? If so, what is the fix? Note that I plan to use this phone in the UK in a few weeks with a local SIM, and would like to be able to share the data with my tablet.

i did a quick search and found this http://forum.xda-developers.com/showthread.php?t=2420488
more reading enable hotspot i727 site:forum.xda-developers.com

Thanks. So, it looks like I need to do the following:
> Root
> Quarantine 'TetheringProvision' to disable the software lock on hotspot
>* Use ES File Explorer to configure and turn on the hotspot
What is less clear is the use of Foxfi - reading through the messages it is not clear why I would need it (if I do)?

Reading another message, it looks like simply using FoxFi may be all that I need, without routing. Still unclear, but certainly worth a first try.

jeffp25 said:
I have a Skyrocket with 4.1.2 from AT&T, that is off-contract and unlocked by AT&T. When I travel overseas, it works fine for everything with a local SIM card except that I can't enable the hotspot function. Instead, I get the message "Mobile data is not available or invalid SIM." I ran into this when travelling in Taiwan and tried the same SIM card in a local phone from a colleague - the SIM card worked fine for the hotspot function in the local phone.
I have spoken to tech support at AT&T who say that the problem is that the APN (Access Point Name) is not compatible with non-AT&T SIMs. Is this true? If so, what is the fix? Note that I plan to use this phone in the UK in a few weeks with a local SIM, and would like to be able to share the data with my tablet.
Click to expand...
Click to collapse
The stock ROM has a tethering check to make sure your account is "allowed" to tether. For fairly obvious reasons, this is failing when you aren't on the AT&T network.
There was a trivially easy work-around on Gingerbread, but I wasn't able to get it working at all on ICS or JB. Their tethering restrictions were much more "baked in".
I'm not sure what your level of comfort on phone modding is, but your best bet may be to dump the stock AT&T ROM and wander over to CyanogenMod. Tethering is as simple as consulting the notification bar. There are some CM11 based ROMs available that will make you slap yourself silly for staying with that crufty carrier-branded ROM as long as you have.
I'm running Sultan's CM11 ROM myself, but almost any ROM (other than one from AT&T) will resolve the issue.
---------- Post added at 09:44 PM ---------- Previous post was at 09:42 PM ----------
jeffp25 said:
Reading another message, it looks like simply using FoxFi may be all that I need, without routing. Still unclear, but certainly worth a first try.
Click to expand...
Click to collapse
FoxFi will work, and I used it for a while, but it has a couple of minor limitations. The first is that USB connections require you to leave debugging on and install a driver. I didn't try the WIFI portion, so perhaps that will resolve your problem as well.
It is a paid app, though. The free version is just good enough to let you know if it will work at all.

I just installed Foxfi and gave it a try - it reports that it can't enable the hotspot. BUT, the failure may be that the non AT&T card I have installed right now does not support data (I'm in the US and the only non AT&T SIM card I have available is this non-data one from the UK). So, I have to chose between assuming it will work when I pick up a new data-enabled SIM in the UK in ten days and rooting my phone. At this point, I'm leaning towards the latter.
Is there a thread that I should use to find clear step-by-step instructions for rooting the phone - the one or two I've seen either are for other phones or are pretty old and maybe don't show the current best ROM options?

i would start here http://forum.xda-developers.com/showthread.php?t=2176593

vincom said:
i would start here http://forum.xda-developers.com/showthread.php?t=2176593
Click to expand...
Click to collapse
One of the first things I noticed was that there is no need to root the phone to install a customer ROM. Is that true if I want to enable the hotspot feature, or for this case do I need to root the phone?

[Q]How can you get free Wireless Tethering on HTC M8 with windows 8.1

I am pondering getting the HTC one m8 with windows 8.1 and my only hold back is I have unlimited data with Verizon and don't want to lose ability to use it. Is there a way to tether on this phone that would not involve the carrier? Thanks for any and all input

Yes, if you manage to interop unlock the device and have write access to the registry.

link68759 said:
Yes, if you manage to interop unlock the device and have write access to the registry.
Click to expand...
Click to collapse
im looking to do this, i cannot find the post with the instructions. help please - how do i do this?

stras1234 said:
im looking to do this, i cannot find the post with the instructions. help please - how do i do this?
Click to expand...
Click to collapse
You can't.
You can tether a PC by using said PC to create a Wi-Fi hotspot, and using a third party app to make the phone a proxy server. Connect the phone to the PC and configure the PC to use the phone as a proxy.
The app is called Tether-X

magneto417x said:
I am pondering getting the HTC one m8 with windows 8.1 and my only hold back is I have unlimited data with Verizon and don't want to lose ability to use it. Is there a way to tether on this phone that would not involve the carrier? Thanks for any and all input
Click to expand...
Click to collapse
July 31, 2015 - Like other comments posted; you can't unless you use a branded Verizon Wireless SIM card. The phone may be GSM unlocked for use with AT&T HSPA+ and T-Mobile LTE but that's as nice as Verizon Wireless will be with their variant and as you see AT&T does not have their LTE bands on the device, only HSPA+. The last device to be successfully interop-developer unlocked was the Samsung Ativ SE but future updates did their level best to disable what some were able to do with the device. I am not aware there are any Windows Phone 8.x devices that have this capability though there are those who think the HTC One may be able to since there was great success with the HTC HD2 which continues to be a workhorse among older devices but that is likely to come to an end as T-Mobile phases out HSPA altogether rendering the devices useless short of a brick or GPS stand-alone. You're only hope is to use Android.

[Q] Ugh. Setting up wireless tether again.

Sorry if this is a duplication of effort or information.
GS6 Pingpong rooted. Root verified.
I have tried several Wireless Tether apps. I have not gotton any of them to broadcast an ssid.
Anyone have this working? I would just about switch roms if someone had it working natively on the Sprint GS6.
I had it working on my evo 4g and most recently on my moto x which I did not realize was as expensive to fix as to repurchase.
Any assistance appreciated.

Have you tried the built in "Mobile hotspot and tethering" under settings? I haven't really used it but I was able to turn it on and connect without any problems.

ITNV said:
Have you tried the built in "Mobile hotspot and tethering" under settings? I haven't really used it but I was able to turn it on and connect without any problems.
Click to expand...
Click to collapse
I guess my thought in rooting was to get free hotspot. It's something I've been able to do for years now.

bullpen7979 said:
I guess my thought in rooting was to get free hotspot. It's something I've been able to do for years now.
Click to expand...
Click to collapse
Yeah, me too. I don't have tethering in my plan but using the native tethering worked anyway.

ITNV said:
Yeah, me too. I don't have tethering in my plan but using the native tethering worked anyway.
Click to expand...
Click to collapse
ok cool. is it too soon to tell if sprint noticed? have you taken a look at your invoices?

bullpen7979 said:
ok cool. is it too soon to tell if sprint noticed? have you taken a look at your invoices?
Click to expand...
Click to collapse
I have AT&T and it's too soon to tell if it raised any flags with them. The way I understand it, it's no easier or harder for them to tell if you're tethering using the native tethering or a 3rd-party app. (I could be wrong about that.) I've used both in the past but I've only ever used tethering occasionally, though, no matter what phone I've had and I've never got any notices from them.

ITNV said:
I have AT&T and it's too soon to tell if it raised any flags with them. The way I understand it, it's no easier or harder for them to tell if you're tethering using the native tethering or a 3rd-party app. (I could be wrong about that.) I've used both in the past but I've only ever used tethering occasionally, though, no matter what phone I've had and I've never got any notices from them.
Click to expand...
Click to collapse
So you have AT&T and you're saying you used the Ping Pong root method which then immediately allows you to use it as a wifi tethering hotspot? I have AT&T as well and for the past 2 years have used my rooted S4 on stock 4.2.2 rom to use the native tethering under Settings and it works fantastic. I'd much rather stick with this method and I've never had an issue raising a flag with AT&T. I think I remember when I added the wifi tethering option using the native hotspot I added or changed a couple of apk files somewhere. Just followed a step by step tutorial.
I've been holding out on buying the S6 because wifi tethering via root without AT&T approved data plan is very important to me. If you can confirm I will go out and get the S6 immediately. Thanks!
BTW I haven't looked at how the Ping Pong Root is done exactly but was it pretty easy? I'm a very novice user and I love to follow step by step tutorials that is tried and true and 'beginner proof', especially for carrier specific phone. If I go out and buy a new AT&T S6 the root loophole hasn't been plugged up yet by AT&T? I'm excited now, been waiting a long time to upgrade my plasticky S4 to a true quality device.

ChuckWow550 said:
So you have AT&T and you're saying you used the Ping Pong root method which then immediately allows you to use it as a wifi tethering hotspot? I have AT&T as well and for the past 2 years have used my rooted S4 on stock 4.2.2 rom to use the native tethering under Settings and it works fantastic. I'd much rather stick with this method and I've never had an issue raising a flag with AT&T. I think I remember when I added the wifi tethering option using the native hotspot I added or changed a couple of apk files somewhere. Just followed a step by step tutorial.
I've been holding out on buying the S6 because wifi tethering via root without AT&T approved data plan is very important to me. If you can confirm I will go out and get the S6 immediately. Thanks!
BTW I haven't looked at how the Ping Pong Root is done exactly but was it pretty easy? I'm a very novice user and I love to follow step by step tutorials that is tried and true and 'beginner proof', especially for carrier specific phone. If I go out and buy a new AT&T S6 the root loophole hasn't been plugged up yet by AT&T? I'm excited now, been waiting a long time to upgrade my plasticky S4 to a true quality device.
Click to expand...
Click to collapse
Sorry, I should have specified: I have AT&T service but I'm NOT running the AT&T rom. I got tired of how bad AT&T screws up these phones so I bought an international S6 and put my AT&T sim card in it. I'm running a stock rom but it's not the one that would come on the phone if you buy it from AT&T.
To answer your other question, PingPong Root is pretty easy. If you follow the instructions you shouldn't have any problems, novice or not.

ITNV said:
Sorry, I should have specified: I have AT&T service but I'm NOT running the AT&T rom. I got tired of how bad AT&T screws up these phones so I bought an international S6 and put my AT&T sim card in it. I'm running a stock rom but it's not the one that would come on the phone if you buy it from AT&T.
To answer your other question, PingPong Root is pretty easy. If you follow the instructions you shouldn't have any problems, novice or not.
Click to expand...
Click to collapse
Ah ok. So do you have the G920F or the G920I? Where did you buy it from? I'd be interested in getting one myself just that they're kinda pricey to buy outright. How has the LTE signal been with AT&T?
And yea I found a step by step walk through on the Ping Pong root complete with pictures.
http://www.androidrootz.com/2015/05/how-to-root-galaxy-s6-without-tripping.html

ChuckWow550 said:
Ah ok. So do you have the G920F or the G920I? Where did you buy it from? I'd be interested in getting one myself just that they're kinda pricey to buy outright. How has the LTE signal been with AT&T?
And yea I found a step by step walk through on the Ping Pong root complete with pictures.
http://www.androidrootz.com/2015/05/how-to-root-galaxy-s6-without-tripping.html
Click to expand...
Click to collapse
Sorry for the delayed response. I have the G920F. I got it on eBay for around $600. You're right, it was kind of pricey but I used AT&T Next to get my S5 and ultimately, it was cheaper to buy my S6 outright than to what I'm paying over time for my S5. Plus I'm tired of AT&T locking down my phone. I've been on the Galaxy since the S3 and each phone has been more locked down than the last and it always seems to limit what I want to do with the phone. So this time I was willing to pay a little extra to have the freedom to do whatever I want with it. And this way, when I am ready to sell the phone and get a new one, I'll have an unlocked international version, which will probably be worth a little more on the re-sale than a locked-down AT&T version.
My LTE signal has been fine. Before I got my phone I had read a few posts from people who said their G920F kept dropping LTE on AT&T 'cause the system wasn't recognizing it correctly. So as soon as I got the phone I went to the AT&T store and had them trim the SIM card from my S5 into a micro-SIM for the S6. (The guy behind the counter had a tool that did it perfectly.) Then I had them enter the IMEI number from the phone into my account. I don't know if either of those steps made a difference but I haven't had any trouble with LTE service, aside from the fact that AT&T's service sucks around both my house and my office!

Hi,
I was able to set up wireless tethering using this thread here....
http://forum.xda-developers.com/showthread.php?t=3070681
Native Tethering bypass, anyone?
Sent from my SM-G925T using XDA Free mobile app

njdevils28 said:
Hi,
I was able to set up wireless tethering using this thread here....
http://forum.xda-developers.com/showthread.php?t=3070681
Native Tethering bypass, anyone?
Sent from my SM-G925T using XDA Free mobile app
Click to expand...
Click to collapse
Will that work for AT&T carrier branded phones?

ChuckWow550 said:
Will that work for AT&T carrier branded phones?
Click to expand...
Click to collapse
I cam from AT&T using my S3 and it worked then. So long as you can Root your phone you should be golden
-NJ

Issue with 1.25.617.4 update

I don't know if anyone else has noticed, but after I updated to the latest OTA update (1.25.617.4) I can no longer access call forwarding settings nor call waiting settings. It gives me error saying 'Network Error or sim card error' when trying to view either. I thought it was an issue with my sim cause I just used the one from my HTC 10 so went to AT&T and got a new one only to have same issue. Did a factory reset and same issue. After that I figured it could have possibly been the update, so I used the ROM exe from HTC to get back to 1.21.617.3 and can access those settings again. It was nice to get VoLTE, but I don't want to lose some settings access to get that.
If anybody has had the same issue, have you found a fix other then going back to 1.21.617.3 or staying on 1.25.617.4 and not being able to access call forwarding and call waiting?
Thanks

Interesting. Mine is completely normal with the same SIM card from my HTC 10 as well. Have you tried wiping the cache partition? That actually helped me get VoLTE on my HTC 10.
Here's a link how to do it in case you don't know...
https://support.t-mobile.com/docs/DOC-25804

holz75 said:
Interesting. Mine is completely normal with the same SIM card from my HTC 10 as well. Have you tried wiping the cache partition? That actually helped me get VoLTE on my HTC 10.
Here's a link how to do it in case you don't know...
https://support.t-mobile.com/docs/DOC-25804
Click to expand...
Click to collapse
Yeah, tried that as well. I don't know if it matters but I see that link is from T-Mobile, I use AT&T.

Yusuke14 said:
Yeah, tried that as well. I don't know if it matters but I see that link is from T-Mobile, I used AT&T.
Click to expand...
Click to collapse
I know, but it's just instructions (from T-Mobile) on how to do it on your HTC 10.

No issues here, on t-mobile and used same sim as HTC 10. I know it doesn't resolve your issue, but maybe there is an issue with the update and AT&T. See if anyone else on AT&T has same issue.

I'm on Verizon and I get the following when I try to go to either Call forwarding or Additional Settings. It never gets any further.
Have not tried going to these on the previous OTAs.

mr_salvador said:
No issues here, on t-mobile and used same sim as HTC 10. I know it doesn't resolve your issue, but maybe there is an issue with the update and AT&T. See if anyone else on AT&T has same issue.
Click to expand...
Click to collapse
I was hoping to hear from others on AT&T (and other networks) by posting here. Seems T-Mobile is ok and Verizon has a similar but different issue.

Yusuke14 said:
Yeah, tried that as well. I don't know if it matters but I see that link is from T-Mobile, I use AT&T.
Click to expand...
Click to collapse
Yusuke14 said:
I was hoping to hear from others on AT&T (and other networks) by posting here. Seems T-Mobile is ok and Verizon has a similar but different issue.
Click to expand...
Click to collapse
I don't know if I mentioned it before but I'm on AT&T, and everything is normal.

I'm on AT&T, U12+ on 1.25 firmware (+ Viper 1.01), SIM card is from HTC 10 (actually even further back than that, same SIM card since 2014 or 2015).
No issues accessing call forwarding / call waiting settings. All of those features are working for me (forwarding to YouMail, waiting definitely works, so does conference/merging calling) and also now VoLTE.
You mentioned it didn't work on 1.25 even after factory resetting. Were you modded in any way? So you RUU'ed back to 1.21 and it works. Have you tried OTA'ing back to 1.25 and seeing if it now works? I'm just trying to think of anything. Sorry dude, that stinks. I'm on 1.25 and heavily modified and it all works...

I get the same error message as well. But im on T-mobile. Really doesn't matter to me personally as i don't use settings in there.
But you're not the only one that gets the error.

turbo jjjang said:
I'm on AT&T, U12+ on 1.25 firmware (+ Viper 1.01), SIM card is from HTC 10 (actually even further back than that, same SIM card since 2014 or 2015).
No issues accessing call forwarding / call waiting settings. All of those features are working for me (forwarding to YouMail, waiting definitely works, so does conference/merging calling) and also now VoLTE.
You mentioned it didn't work on 1.25 even after factory resetting. Were you modded in any way? So you RUU'ed back to 1.21 and it works. Have you tried OTA'ing back to 1.25 and seeing if it now works? I'm just trying to think of anything. Sorry dude, that stinks. I'm on 1.25 and heavily modified and it all works...
Click to expand...
Click to collapse
Hadn't done anything to phone at the time, was completely stock, nothing done at all as of yet. Only thing i have done now after going back to 1.21 is unlock the bootloader and so far that's all. Going to try taking the OTA to 1.25 again and see if it wasn't just some fluke of nature.
Will update afterwards.
Edit: went back to 1.25, getting same error and can't access call forwarding or call waiting settings.

JWhetstone02 said:
I'm on Verizon and I get the following when I try to go to either Call forwarding or Additional Settings. It never gets any further.
Have not tried going to these on the previous OTAs.
Click to expand...
Click to collapse
I'm still on the original firmware (no rush to update as of yet) and I get the same situation when accessing those settings.

1.25 RUU is available. I'm on T-Mobile with an Unlocked boot loader and custom kernel however everything works on this end.

I have the 1.25 update and I'm on ATT, and I apparently have the issue as well. No bother, though, since I don't use call forwarding.
And, this is the sim card from my 10.

I am on AT&T and my firmware 1.25.617.4 and everything working fine here

I realize this thread is a a little old but I am having the same issue. I am on AT&T. The only tweaks I have made is to unlock the bootloader and disabled tethering guard. The problem existed on 1.25.617.4 and persists on 1.30.617.2. I thought the problem was a provisioning issue with AT&T. After multiple calls with them and a couple with HTC, I found this thread. Of course I should have stopped here first. I actually need call forwarding and calling AT&T to have them manually provision it every time I need it just won't cut it. Has anyone been able to figure this out?