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[Q] WiFi calling on a&tt varient.

Hey guys. I have become increasingly frustrated with having no way to root this phone coming from a nexus in favor of battery life.
I was wondering if getting an ATT version and using it on t-mo towers is a good option seeing as that one is rootable. The thing I'd like to keep is WiFi calling as my office is a dead zone. Is the WiFi calling part of the radio? Is it hard ware specific? Just wanting some light shed on this issue. Thanks.

Why not just root? It is possible and fairly painless.

Froid said:
Why not just root? It is possible and fairly painless.
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I've been scared by the downgrade process and seeing multiple people have bricked devices. I've also seen two different ways of doing it. I can't seem to find this TOT method everyone says works great and the other method with the kdz seems dangerous at best. Maybe you could share with me the safest way to go about getting root?

Not sure how they bricked, but if you follow the directions you'll be fine. The TOT method is the way to go imo. I downgraded, rooted, flashed recovery, rom and SuperSU in less than 15 minutes. Well worth it. Here's the link to the TOT method. Just scroll down til you see it.
http://forum.xda-developers.com/showthread.php?p=45293512

I was in a similar situation. I rooted, flashed this t-mobile stock debloated rom:
http://forum.xda-developers.com/showthread.php?t=2688981
Make sure to flash a D800 kernel for 4.4.2 and you should be good to go. The rom contains a t-mobile D801 kernel and if you simply flash the rom, you won't be able to boot into it and the phone will be softbricked.
I was able to use Wifi-calling after doing all of the above on an AT&T LG G2. I was also able to use t-mobile LTE so looks like the G2 is pretty flexible.
Froid said:
Not sure how they bricked, but if you follow the directions you'll be fine. The TOT method is the way to go imo. I downgraded, rooted, flashed recovery, rom and SuperSU in less than 15 minutes. Well worth it. Here's the link to the TOT method. Just scroll down til you see it.
http://forum.xda-developers.com/showthread.php?p=45293512
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gigamchz said:
The thing I'd like to keep is WiFi calling as my office is a dead zone. Is the WiFi calling part of the radio? Is it hard ware specific? Just wanting some light shed on this issue. Thanks.
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You can't use WiFi calling with an AT&T or any other SIM. WiFi calling (a necessity for me here in this valley with horrid coverage, but right over the in L.A. signal is fantastic)) is a proprietary, locked and restricted feature exclusive to (some) T-Mo branded devices with T-Mo kernels and T-Mo SIMS. There is no way around this.
In fact, I just read that TMOUS WiFi calling will finally be included in iOS 8 for T-Mo branded iPhones. My wife and her iPhone 5 has to stand in the front yard in order to take calls without dropping. I just laugh, but she has to have her iPhone.

Install T-Mobile software instead of international

Hi everyone. I purchased a OnePlus 8 5G directly from OnePlus, running on the T-Mobile network. After trying to figure out why I didn't receive the T-Mobile 5G SA update (10.5.17.IN55CB), I realized my phone is running the international version of the software. I guess this is because it's factory unlocked but I didn't realize this would limit my access to T-Mobile 5G updates! I never travel internationally and don't really care about an unlocked bootloader, etc. as long as the SIM is unlocked.
Can I manually download and install the T-Mobile software so I will get the 5G SA update (and future T-Mobile OTA updates)?

i was also wondering if that would make a difference. maybe someone could provide the modem.img from that update, if it changed. flashing the euro modem on the international rom definitely made a difference for me. not really with speed but overall coverage and stability.

nickdearing88 said:
Hi everyone. I purchased a OnePlus 8 5G directly from OnePlus, running on the T-Mobile network. After trying to figure out why I didn't receive the T-Mobile 5G SA update (10.5.17.IN55CB), I realized my phone is running the international version of the software. I guess this is because it's factory unlocked but I didn't realize this would limit my access to T-Mobile 5G updates! I never travel internationally and don't really care about an unlocked bootloader, etc. as long as the SIM is unlocked.
Can I manually download and install the T-Mobile software so I will get the 5G SA update (and future T-Mobile OTA updates)?
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Right now you dont want it. It breaks incoming and outgoing phone calls.

Seems they pulled the update as well

Guys I'm on TMO but switched over to global voluntarily. Honestly check out TMO 5G info and you'll find it's not as great as you think. It's the beginning of a software change. Veteran modders know the beginning of updates have a lot of bugs.
If you really want it then get the MSM Tool, downgrade to 10.5.7 and let it upgrade you manually to 10.5.17. then you can get back to global if you'd like with the modem. Happy modding!

Thanks, it sounds like it was premature. I live in a rural area and my main concerns are 1) better (not reliant on LTE) 600Mhz coverage and 2) lower latency.
Do you think the global software line will get an SA update down the road? Are there any other difference between the global and T-Mobile line of software that would affect my coverage performance with LTE or 5G?

nickdearing88 said:
Thanks, it sounds like it was premature. I live in a rural area and my main concerns are 1) better (not reliant on LTE) 600Mhz coverage and 2) lower latency.
Do you think the global software line will get an SA update down the road? Are there any other difference between the global and T-Mobile line of software that would affect my coverage performance with LTE or 5G?
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Great question, This is my first OnePlus phone so I can't tell you if and when gonna will get the update. What I have heard of that TMO is rolling out 5G in several layers. This first one is pretty low key but it had some books already. Second and third would be better. I guess check around here to see more about it. If you are absolutely sure you want this update then you can use MSM took to downgrade then just let the TMO servers do the work for you. Happy modding!

nickdearing88 said:
Thanks, it sounds like it was premature. I live in a rural area and my main concerns are 1) better (not reliant on LTE) 600Mhz coverage and 2) lower latency.
Do you think the global software line will get an SA update down the road? Are there any other difference between the global and T-Mobile line of software that would affect my coverage performance with LTE or 5G?
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Click to collapse
I would be surprised if the global version got an update for SA 5g. That's TMO specific and OnePlus would have zero care about a specific carrier of all the world's carriers .
There are differences in modems according to TMobile. I can't remember specifics but I think it was carrier aggregation on band 66 ( I don't remember much so I may be way off)

Josh McGrath said:
I would be surprised if the global version got an update for SA 5g. That's TMO specific and OnePlus would have zero care about a specific carrier of all the world's carriers .
There are differences in modems according to TMobile. I can't remember specifics but I think it was carrier aggregation on band 66 ( I don't remember much so I may be way off)
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Yeah, I figured that was unlikely with the global version, although I'm sure carriers across the world will begin deploying SA 5G at some point.
I was going to start a new thread but after you notes about the modem differences, this might relate to another issue I've noticed: When connected to Band 2 (1900 Mhz) with LTE or 5G, I was getting really good speeds (~30Mbps Down/5Mbps Up). Now, when I test using 5G or LTE (by turning off 5G) my speed tests are horrible: ~1Mbps Down/0.7Mbps Up. I have tested with "Smart 5G" on and off, and also removed and reinstalled the SIM card. If I pop the SIM card out and put it back into my Pixel 2, I get 30Mpbs Down/5Mpbs Up with LTE on Band 2. My Pixel 2 was purchased directly from Google and is factory unlocked/direct Google updates.
Do you think this is because of the carrier agg issue you mentioned? In my area Band 4/Band 66 is only used for T-Mobile 2G/3G, to my knowledge. LTE is offered on Bands 2, 12, and 71. 5G NR seems to only be on Band 71 here at present.

Josh McGrath said:
I would be surprised if the global version got an update for SA 5g. That's TMO specific and OnePlus would have zero care about a specific carrier of all the world's carriers .
There are differences in modems according to TMobile. I can't remember specifics but I think it was carrier aggregation on band 66 ( I don't remember much so I may be way off)
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Josh, not often this happens, but I disagree with what you say here. Normally I agree with everything you post. However, this time I have to disagree.
5G SA is not at all T-Mo specific and is a standardized implementation for carriers should they choose to go that route.
However, OnePlus caring about it is up in the air, lulz!
See here: https://ibasis.com/what-is-5g-sa-nsa/
5G SA means stand alone. This means that the device will only ride on 5G and not aggregate with 4G.
If I am wrong please correct me. Thanks!
Nathan.7118391 said:
If you are absolutely sure you want this update then you can use MSM took to downgrade then just let the TMO servers do the work for you.
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I and many others posted that they cannot get the update. Those that did said they had connectivity issues. I suspect that T-Mo pulled the update. I don't know this for fact, however I cannot get the update. T-Mo site says check back after 8/31. That's crazy weird. Others also complain. I think the update is borked hence the lack of wide roll out. . Again, dont know this for fact but just speculating...

Scott said:
Josh, not often this happens, but I disagree with what you say here. Normally I agree with everything you post. However, this time I have to disagree.
5G SA is not at all T-Mo specific and is a standardized implementation for carriers should they choose to go that route.
However, OnePlus caring about it is up in the air, lulz!
See here: https://ibasis.com/what-is-5g-sa-nsa/
5G SA means stand alone. This means that the device will only ride on 5G and not aggregate with 4G.
If I am wrong please correct me. Thanks!
...
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Click to collapse
For sure. I do stand corrected here on SA. I was referring to the specific bands that TMobile uses for SA 5g vs world bands SA 5g but who knows if that's impossible but I, like you, think that OP will not care about it or would screw it up.
As for the modem differences, I was referring to an older post from TMobile on their forums during the 6t launch days so I can't really remember exactly what it was. I think if you searched my posts from way you could find it
Speaking of, I am incredibly disappointed in tmos 5g. I'm lucky to get 20 dl. Are you having any better luck

Scott said:
Josh, not often this happens, but I disagree with what you say here. Normally I agree with everything you post. However, this time I have to disagree.
5G SA is not at all T-Mo specific and is a standardized implementation for carriers should they choose to go that route.
However, OnePlus caring about it is up in the air, lulz!
See here: https://ibasis.com/what-is-5g-sa-nsa/
5G SA means stand alone. This means that the device will only ride on 5G and not aggregate with 4G.
If I am wrong please correct me. Thanks!
I and many others posted that they cannot get the update. Those that did said they had connectivity issues. I suspect that T-Mo pulled the update. I don't know this for fact, however I cannot get the update. T-Mo site says check back after 8/31. That's crazy weird. Others also complain. I think the update is borked hence the lack of wide roll out. . Again, dont know this for fact but just speculating...
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Click to collapse
Yeah I think you are right. As soon as it was available it became unavailable. They will roll it out when those bugs are fixed. This is one of the reasons I don't like TMO stock. They are buggy and slow to update. Not to mention all the bloatware.

Josh McGrath said:
Speaking of, I am incredibly disappointed in tmos 5g. I'm lucky to get 20 dl. Are you having any better luck
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I am EXTREMLEY disappointed
History of my observations...
When I first switched to T-Mobile with the 6T the speeds were great. Well, decent. But around the time the S20 series came out I noticed extreme sluggishness with the 6T. Compared it to the people in the store and there's wer the same. A massive down turn in speed. I suspect it had something to do with the implementation of 5G in the area. It was my guess... Anways, moved back to T-Mobile two months ago and got this phone. The speeds are even worse. So this phone on 5G is just as bad as LTE. I disabled 5G and tested. Same results.
Long story short, T-mobile did something and slowed my connection down.
Your lucky. Very luck. I routinely get 2 to 5 mbs when I am home. In town I dont think I got over 25Mbs. AT&T has the best network in Fargo. 200MBS down on S20U all day!

Question Whats the best Variant for US

Whats the best OTA to install using the OnePlus 9 in America?
Im on the LE2110DA version. Is that as good as its gonna get? Running Omega Kernal?

Check your telegram

Question is so which OTA is Tmobile if I wanna use that. Because my Google FI runs on Tmobile. Misewell try that variant right?

If you read up youll see lol.
LE2110 DA 11.2.8.8
Also using the wonderful Omega Kernal.

illusiveairforce said:
Whats the best OTA to install using the OnePlus 9 in America?
Im on the LE2110DA version. Is that as good as its gonna get? Running Omega Kernal?
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Forgive my knowledge but which variant is le2110DA? If its oneplus 9 5g, omega kernel works? I thought omega kernel js only for the pro variant.

Best one for North America would be the LE2115. LE2110 is the China variant which is missing some 4G/5G bands used in NA.

I got 5G, im just wondering if the OTA versions make a difference.
Yes its the Unlocked Chinese Version. LE2110.
So is there a difference between AA, BA and DA as far a cell quality?

Software doesn't give you access to additional bands. You might have SA41 (tmo) but more likely you are just on b2/66 and tmo just gives you the 5G icon. Check with cellmapper to be sure. Your best bet is to get rid of the 2110 and get an actual US device if you want proper 5g

I was thinking the same thing about the 5G icon. It goes from LTE to 5G sometimes.
My speeds are about 50-60mbps when im not connected to wifi. You guys think thats pretty fair and decent?

avid_droid said:
For me, Tmo has had the least of issues. No data or calling issues. No Bluetooth issues such as robot voices on car stereo and better distance outside of vehicle. No odd hiccups.
Although people are mislead with T-Mobiles update numbers not matching,they're actually the same. 11.2.8.8 for AA,DA,BA will be realeased on TMobile as 11.2.6.6. it's the same patches and iterations.
Looking forward to either Monday or Tuesday to getting my new op9.
Selling my imac tomorrow and will not be getting a computer for awhile as I'm tired of either breaking phones or bricking them.
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My first oneplus arrives tomorrow, so it's safe to say I should flash the t-mobile rom over my unlocked vanilla rom? I do live in an area where t-mobile isn't the strong hence why I dumped my verizon s21 ultra for something where I can easily control options down to the service menu etc. Funny I tested my non branded moto g and had less call drops with a tmobile sim than I did with my verizon unlocked s21 with the tmb sim.

daweeze02 said:
My first oneplus arrives tomorrow, so it's safe to say I should flash the t-mobile rom over my unlocked vanilla rom? I do live in an area where t-mobile isn't the strong hence why I dumped my verizon s21 ultra for something where I can easily control options down to the service menu etc. Funny I tested my non branded moto g and had less call drops with a tmobile sim than I did with my verizon unlocked s21 with the tmb sim.
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No, don't flash the t-mo rom over anything lol. If you are on tmobile and ordered a LE2115/2125 just don't mess with it unless installing a custom rom.

craznazn said:
No, don't flash the t-mo rom over anything lol. If you are on tmobile and ordered a LE2115/2125 just don't mess with it unless installing a custom rom.
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Okay sounds good. I had just read above that someone said the tmobile firmware was less buggy than the unlocked version but maybe those issues have been worked out I guess.

illusiveairforce said:
I was thinking the same thing about the 5G icon. It goes from LTE to 5G sometimes.
My speeds are about 50-60mbps when im not connected to wifi. You guys think thats pretty fair and decent?
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That's more like 4G speed. 5G speed would be more than double that. But again, it depends on the area you're in and the coverage for your carrier.

avid_droid said:
No I didn't say that. It's meant if converting from Tmo to Global roms. If you are on Global stay there.
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ahhhh okay sounds good. thanks again

Does anyone have the latest T-Mo modem files? I'm currently on the Europe 11.2.8.8 image but I've been having radio problems since I moved off of the T-Mo base (started with 11.2.4.4 global). I'm getting bad call quality, Wifi and BT issues, and seeming slow data.
I'd like to try flashing the modem files first before redoing the whole thing with MSM.
One other thing - going back to a T-Mo load with MSM won't SIM relock my phone, will it?
Thanks!

Use the Omega Kernal.
But as far as the best Variant. I've been on all of them AA, BA(which your on now) and DA. I think they are all the same besides the DA runs the smoothest out of all the variants

illusiveairforce said:
Use the Omega Kernal.
But as far as the best Variant. I've been on all of them AA, BA(which your on now) and DA. I think they are all the same besides the DA runs the smoothest out of all the variants
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What would Omega kernel do for me? And as that one in the Pro forum?
I've downloaded bluspark, but haven't used it yet. Only stock kernel

Bro Omega kernal is off the chain. So much battery life. Not sure as far for connection. And yeah 9 and 9 Pro are universal.

Thanks. I'll give it a try. Do I install it thru TWRP? I've used Elemental X for so long not sure how other kernels work.

I use EX Kernal Manager

Verizon 5G

Can't seem to find any A12 ROMs that support 5G on Verizon. Anybody know if any, or a way to enable it?

CherishOS 3.8 works great for me on Verizon 5g. I tried others but this one gets full data speeds and it's android 12. Pretty much any a12 rom works with verizon 5g though if you want to tinker.

Incognit420 said:
CherishOS 3.8 works great for me on Verizon 5g. I tried others but this one gets full data speeds and it's android 12. Pretty much any a12 rom works with verizon 5g though if you want to tinker.
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Good to know - Thanks!

Incognit420 said:
CherishOS 3.8 works great for me on Verizon 5g. I tried others but this one gets full data speeds and it's android 12. Pretty much any a12 rom works with verizon 5g though if you want to tinker.
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Tried to tinker with Cherish, but couldn't even get LTE. I obviously didn't tinker right. I did notice that current Nameless fully works right out of the box. Sure wish others did as well...

I managed to convert Verizon OnePlus 8 to global in2015
How To Guide Convert Verizon UW OnePlus 8 To Global
Hello everyone! I have managed to get Global firmware on VZW UW OnePlus 8 and thought I would share. Donations are appreciated. PayPal user @igp1490 You will need to download to get started. 1. FastbootEnhance...
forum.xda-developers.com

Question TMobile (USA) network speed

I don't see 5G icon. But we got LTE+ on TMobile (usa) (VoLTE pre activated)
Download speed is fantastic. Upload is not

avetny said:
I don't see 5G icon. But we got LTE+ on TMobile (usa) (VoLTE pre activated)
Download speed is fantastic. Upload is not
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has anyone tried to unlock more bands?
following something like https://forum.xda-developers.com/t/...device-use-your-phone-globally-no-bs.2871269/

Washo4evr said:
has anyone tried to unlock more bands?
following something like https://forum.xda-developers.com/t/...device-use-your-phone-globally-no-bs.2871269/
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It is at the standard of the H.W not the S.W.

The same questions were asked of the 10 ultra. Some said hard, some software but no one posted any success in opening more bands.

Washo4evr said:
has anyone tried to unlock more bands?
following something like https://forum.xda-developers.com/t/...device-use-your-phone-globally-no-bs.2871269/
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Reasonable question man, those replies suck. It has the same modem as the iPhone 13, it's a Snapdragon X65 5G so technically you should be able to. If not in NV, you could in software programming tool of Qualcomm, might have to be the newest software though. If you could identify the modem chip number in a teardown video possibly we could find the product model number and see if it's a hardware limited or base chip limited by firmware.

That makes sense. Back in the day, I had a Zuk Z2 Pro and it worked but haven't had a phone with a snapdragon since.
Thanks Jdorman12 for replying with actual words, not a single emoji
If I end up getting a 12S, I will give it a try