Develop Bugs

Verizon and the OnePlus 3?

Howdy!
So I've read that the OnePlus 3 is not compatible with Verizon, but if you look at the bands it's only missing Band 13. Wouldn't the others still work?
Thanks!

I will report on July 1 when my opo arrives.
Sent from my Shield Tablet using XDA-Developers mobile app

Verizon's primary band is Band 13 (700c) according to this website below.
http://www.phonearena.com/news/Chea...on-T-Mobile-and-Sprint-use-in-the-USA_id77933

Maybe the band will become editable by a rom. But who knows

700mhz B13 is not really a "primary" band it just happens to be what Verizon first launched.
I highly doubt that we will see 700 B13 on the OPO3. Vzw is rumored to be rolling out B2 1900 but I'm not sure if it's officially launched in any markets. There is also the fact that vzw uses CDMA BC0 800mhz, which if I read the specs correctly is supported by the OPO3.
All this being said I doubt the OPO3 will work fully supported by vzw.
Of course there are some brilliant people in the xda community who can probably shed some more light on the subject.

It will work with Verizon 3G I saw in a review video. Not LTE tho.
Sent from my VK815 using XDA-Developers mobile app

It has LTE bands 2 and 4, thus if VZW has LTE bands 2/4 in your area then it should work. I'm having issues getting the LG-H830 working, but it doesn't have CDMA. It connects to band4 in my area but no icon, since I believe it needs CDMA for auth.
I haven't tried this yet but you may be able to add band 13
http://forum.xda-developers.com/galaxy-s5/general/how-to-add-rf-lte-frequency-bands-to-t2886059

Do you think a call to VZW customer care would allow one to know what bands are in an area? You'd obviously need to get an upper level service tech on the line...but could they tell you?

SOCOM-HERO said:
Do you think a call to VZW customer care would allow one to know what bands are in an area? You'd obviously need to get an upper level service tech on the line...but could they tell you?
Click to expand...
Click to collapse
I would say waste of time based on my experiencettalking to them. Better off using apps to figure it out. If you don't have Verizon, just visit the store nearest to you and install LTE Discovery on a display phone.
Sent from my rooted and BL unlocked LG-H830 using XDA-Developers app

Skizzy034 said:
It will work with Verizon 3G I saw in a review video. Not LTE tho.
Sent from my VK815 using XDA-Developers mobile app
Click to expand...
Click to collapse
Can you post the link to this review video please?

Skizzy034 said:
It will work with Verizon 3G I saw in a review video. Not LTE tho.
Sent from my VK815 using XDA-Developers mobile app
Click to expand...
Click to collapse
Why would it not work on LTE? It supports bands 2 and 4. If your area is VZW band 13 only then yeah it won't get 4g signal.
Sent from my rooted and BL unlocked LG-H830 using XDA-Developers app

Surprisingly Skizzy034 is correct, 3G (eHRPD) works. I had to enable data roaming first, but I can make/receive calls, sms, mms, and cellular data.
I've also been able to force a connection to LTE. However, when I do this sms, mms and calls don't work (data only).
Basically there is no transition between 3G and 4G.
I've messed around with the build.prop to see if I can get the phone to treat 4G as the preferred connection and only use 3G for sms, mms, and calls but I havent made any progress.
I'm confident that with help from the dev community we can actually get this thing working fairly well on vzw.

cdkg said:
Surprissingly Skizzy034 is correct, 3G (eHRPD) works. I have to enable data roaming first, but I can make/receive calls, SMS, mms, and accedd mobile data.
I've also been able to force a connection to LTE. However, when I do this sms, mms and calls don't work. All that works is data
Basically there is no transition between 3G and 4G.
I've messed around with the build.prop to see if I can get the phone to treat 4G as the preferred connection and only use 3G for sms, mms, and calls but I havent made any progress.
I'm confident that with help from the dev community we can actually get this thing working fairly well on vzw.
Click to expand...
Click to collapse
Did you pull the VZW apn xml file from a VZW phone and swap out yours? I can send if needed. I would like to buy OP3 and I use Verizon, so I'm definitely interested in what you're trying to accomplish.
What do you mean by forcing LTE? Setting RAT to LTE only?
Sent from my rooted and BL unlocked LG-H830 using XDA-Developers app

The APNs appear to have auto configured (attached a screenshot).
When I say "forced into LTE" I have manually changed the RAT to LTE only. This only appears to only work consistently on CM based roms. I did get OOS to lock onto LTE once but I've not been able to do it again.
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cdkg said:
The APNs appear to have auto configured (attached a screenshot).
When I say "forced into LTE" I have manually changed the RAT to LTE only. This only appears to only work consistently on CM based roms. I did get OOS to lock onto LTE once but I've not been able to do it again.
Click to expand...
Click to collapse
If you set RAT to auto do you get both CDMA and LTE? On stock vzw phones, it seems multi APNs are used (VZWIMS and vzinternet)
Were you able to unlock band 13 (http://forum.xda-developers.com/galaxy-s5/general/how-to-add-rf-lte-frequency-bands-to-t2886059)? What LTE band are you connected to? LTE Discovery app from play store can provide that info if you need.
Have you tried:
telephony.lteOnCdmaDevice=1
ro.telephony.default_network=10 ro.cdma.home.operator.alpha=Verizon ro.cdma.home.operator.numeric=311480 gsm.sim.operator.alpha=Verizon gsm.sim.operator.numeric=311480 gsm.operator.alpha=Verizon gsm.operator.numeric=311480
Sent from my rooted and BL unlocked LG-H830 using XDA-Developers app

I have not tried any of those things.
I'm hesitant to bother with attempting to unlock band 13. I spent a lot of time working on that on my opo1 and didn't work.
But I'm willing to give it a shot. I'm on vacation and don't have access to a PC so gonna be a few days. But I can apply the build.prop edits in the next few hours.

I made the build.prop edits you suggested jhasty01. Unfortunately they had no effect.
I'm going to work on unlocking Band13. Because I'm a market that is almost 100% covered by Band4 it is difficult to tell if Band13 is actually working. Perhaps I could disable Band4 but I'm hesitant.
I'm really hoping some of the devs who have worked with RIL can land a hand.
The larger obstacle is getting the RAT to conditionally handoff.

Any updates? Hoping so, would like to buy!

Some possibly helpful information from https://forums.oneplus.net/threads/trying-to-get-op3-working-on-verizon.452925/
Not sure if this is the case for Verizon but it is a known issue for ATT customers have LTE connection issues.
CAUSE: The IMEI for both sim slots are listed to only be set to receive 2G (H), hspa network. So if you contacted your service provider and registered your sim card with either of OP3 IMEI's, then you will not get LTE.
WORKAROUND: get your service provider to put your IMEI back to a previous phone that had LTE service.
NOTE: I had the same issue because I had to get a new Sim card because I went from a microsim to a nanosim. You access your phone information, by dialing *#*#4636#*#*. It will show your "Network type" only as hspa instead of LTE. There is no way to force it to LTE on your end, you have to contact your service provider.
Click to expand...
Click to collapse
Make sure you enabled roaming!

*Update*
Using qpst+qdxm I attempted to set radio/modem to prefer vzw bands and possibly enable B13. I was able to make the changes but the NVRAM resets to default values after power cycling. There is an NVRAM patch for the OnePlusOne which I flashed but it did not play well with the OPO3 and resulted is reboots and black screens. I tested all this on one of the recent CM builds.
I modified the build.prop to force "LTE only" (ro.telephony.default_network=11). Since I use Google Voice/Hangouts for calls and text I can make due.
I have reached out to @Mentor.37 who has been helping patch CDMA phones with GSM caoabilities to work better on GSM networks. He understands what the goal is and said mid-late August he should be able to help. @jhasty1 I only get 3G/eHRPD when roaming is enabled. No matter what ROM the RAT will not automatically transition from 3G44G. I have tried almost every ROM and modified what I thought might help with in the build.prop.
@jhasty1, as for the thread you mentioned (https://forums.oneplus.net/threads/trying-to-get-op3-working-on-verizon.452925/) there is a lot of conflicting information. There are many who say the OPO3 will not work on VZW. Well it is working, I'm using it to write this. I also had the OPO1 working on VZW using B4 LTE data.
As it stands, unless forced into "LTE only" the default RAT is 3G/eHRPD.
If we get some dev support I believe the phone could work very well.
---------- Post added at 02:40 PM ---------- Previous post was at 02:25 PM ----------
I've been able to attach to LTE on bands 2,4 and 5. Now as far as I know vzw has not began using band 5. I think what's happening is I'm roaming on att for some reason.

US998 Hidden Menu LG V30/V30+

EDIT: If the dialer code doesn't work for you, see this post for another way to access the Hidden Menu.
________________
US998 Hidden Menu LG V30/V30+
So, I went looking for the hidden menu dialer code for the US998 LG V30.
https://www.reddit.com/r/tmobile/comments/75tbsc/lg_v30_and_others_engineering_menu/
*#546368#*998#
That's a different menu, and doesn't provide the band locking option and you can break your CA and LTE combos if click the wrong thing. Just wondering if that code works. You can get to the Engineering Mode, though.
Click to expand...
Click to collapse
Found it. Literally you copy and paste this code into your dialer. Do not hit "call". Once you paste it in, the menu instantly pops up.
Unlike for the T-mobile variant, it doesn't let you checkmark off all the bands you want -- at least with AT&T Prepaid, which I have. I think the bands it shows it dependent upon the SIM card you have in your phone.
I was able to click each LTE band my phone IS showing and with one exception (LTE band 30), a box popped up and "Success". Whatever that means.
I think if I had AT&T postpaid it might show more bands. (AT&T Prepaid doesn't allow domestic roaming, but does have roaming in some other countries.) Or if I had T-mobile it might show different bands, like even LTE band 66. Since I have AT&T Prepaid -- with no U.S. roaming -- it's not going to show me a band I'll never use? At least that's my working theory. While the dialer code is the same, possibly options are different depending carrier/SIM card[/B]
You can also go into the Service Menu and turn off MOISTURE DETECTION. Just an FYI for those who need to know that.
I did go into the some of the VoLTE/Wi-Fi calling settings. While VoLTE was already enabled, VoWifi (Wi-Fi calling was not). I enabled it. As an AT&T Prepaid customer, we don't get that yet, and I don't really need it. (I have Google Voice.) But I checkmarked it to enable all that. Didn't seem to break my phone.
I took some screenshots to get into the LTE bands menu, but I didn't take screenshots of the other stuff. Of course, be careful! You can break functionality.
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LTE BANDS on AT&T Prepaid

Okay anybody know how to get the LTE band selector back to automatic? Apparently clicking on one of the bands chooses only that band. I am stuck on band 12 which is prevalent in the Atlanta area, but I would like all bands.
By clicking on band 30, I had no LTE whatsoever . I had to click on band 12 to get some LTE signal.
In that menu, I do not see a method to choose a batch of bands. I only see a method to choose one band at a time. Whereas before I mess with the menu I had several bands automatically depending upon signal strength.
I rebooted my phone, hoping the band selector was only for that one session . But still I'm only seeing LTE band 12. I don't want to reset my phone. This got to be away to make it go back to automatic.
Sent from my carrier unlocked LG V30 US998

ChazzMatt said:
Okay anybody know how to get the LTE band selector back to automatic? Apparently clicking on one of the bands chooses only that band. I am stuck on band 12 which is prevalent in the Atlanta area, but I would like all bands.
By clicking on band 30, I had no LTE whatsoever . I had to click on band 12 to get some LTE signal.
In that menu, I do not see a method to choose a batch of bands. I only see a method to choose one band at a time. Whereas before I mess with the menu I had several bands automatically depending upon signal strength.
I rebooted my phone, hoping the band selector was only for that one session . But still I'm only seeing LTE band 12. I don't want to reset my phone. This got to be away to make it go back to automatic.
Sent from my carrier unlocked LG V30 US998
Click to expand...
Click to collapse
Whatever I just did, now I can get other LTE bands. I'm now on LTE band 2.
But I didn't choose LTE band 2, it just found the strongest signal. Whew.
Thought I was going to have to reset my phone.
Sent from my carrier unlocked LG V30 US998

ChazzMatt said:
Whatever I just did, now I can get other LTE bands. I'm now on LTE band 2.
But I didn't choose LTE band 2, it just found the strongest signal. Whew.
Thought I was going to have to reset my phone.
Sent from my carrier unlocked LG V30 US998
Click to expand...
Click to collapse
Funny, i did the same thing this morning when playing with the menus. I thought it was a checkbox and saw a 'SUCCESS' toast show up on clicking. Oh no , what have I done.
I rebooted the phone and everything seems to be back to normal.

A slightly different code for the AT&T version of V30
The code didn't work on my AT&T version, BUT!!!!!! ........ I noticed how the last 3 digits correspond to the unlocked version and substituted them with 931 which corresponds to H931/AT&T phone version and voila!! I get into the hidden menu.
So for AT&T version of V30 the code is *#546368#*931#
Enjoy!
The menu looks a bit different though e.g. band selection is not there

cheri0 said:
The code didn't work on my AT&T version, BUT!!!!!! ........ I noticed how the last 3 digits correspond to the unlocked version and substituted them with 931 which corresponds to H931/AT&T phone version and voila!! I get into the hidden menu.
So for AT&T version of V30 the code is *#546368#*931#
Enjoy!
The menu looks a bit different though e.g. band selection is not there
Click to expand...
Click to collapse
Do you see a service sub-menu category?
If so, check in there.
Sent from my carrier unlocked LG V30 US998

Any suggested changes to be made here?

Does the US998 support Band 71 for T-Mobile?

Guyinlaca said:
Does the US998 support Band 71 for T-Mobile?
Click to expand...
Click to collapse
Not yet. Not until root.
https://forum.xda-developers.com/showthread.php?p=74717874
Sent from my carrier unlocked LG V30 US998

I'm still concerned I may have done something to prevent my LTE bands from automatically switching properly. I've been on LTE Band 2 for two days now and only LTE band 2. Normally traveling to and from work (30 miles down I-75 and across I-285 perimeter) I'll switch bands, according to LTE Discovery app.
But today I'm heading into north Georgia where LTE band 4 is prevalent, so we'll see...

reposting here also as it's very relevant to the US998 hidden menu.
AliLaPointe said:
Hey All,
I unfortunately messed around with the LTE Band Settings on my US 998 (US Cellular) in the hidden menu and am now worried that the phone is locking to specific bands. Right now, no matter how many times I reset network settings and restart the phone, it will only lock to one band (12 or 4). The lock is dependent on which LTE Band Setting I select. Anyone know where in the hidden menu I can reset the band selection? Any help would be appreciated.
Thanks!
Click to expand...
Click to collapse
ChazzMatt said:
Please tell me exactly what you did to fix the problem? When you factory re-set, did you allow Google to restore your data and apps? I really don't want to do a factory reset if I don't have to.
I've already tried airplane mode, as well as chosen other bands (I stick on them unless I re-select LTE band 2.) As well as rebooted multiple times daily.
I've been stuck on LTE band 2 for 4 days now. I selected LTE bands in that hidden menu and it stays only on the one chosen. Before that I was stuck on LTE band 12, but 2 is better than 12 if I have to be stuck on one.
Click to expand...
Click to collapse
VeixES said:
Maybe unselect band 2 for a moment so the device would be forced to use another one?
Click to expand...
Click to collapse
ChazzMatt said:
Unfortunately that doesn't help. It's the US998 menu. You click it, it chooses that band. You click another it chooses THAT band and only that band. It stays in the last band you chose and only that band.
I can select another band besides band 2, but I would then be just choosing another band to be stuck on. I did that initially when I was stuck on band 12. Now I'm stuck on band 2, which is better than being stuck on LTE band 12 in the Atlanta metro area.
I went up to North Georgia last weekend where AT&T LTE band 4 is prevalent, and I was on WEAK LTE band 2 the most of the time, and then on HSPA. I never switched to LTE band 4.
That's why I asked the guy exactly what he did to fix it. He said factory reset, but I would like his details. I don't want to completely reset my phone for nothing. If only a true factory reset will fix it, I'll wait until next weekend when I don't need my phone during the daytime.
Also, did he allow Google to restore data and apps?
Sent from my carrier unlocked LG V30 US998
Click to expand...
Click to collapse

Has anyone found a solution to this? I have tried a factory reset and it did not solve the issue. I also tried a couple things such as changing the RAT Selection to WCDMA ONLY (since VZW) and then LTE ONLY and then to LTE/WCDMA but that results in no service at all whereas I at least have service with WCDMA ONLY or LTE ONLY.
I imagine there should be a simple way to fix this as it is literally just disabling bands in the modem...it is just a matter of figuring out how.

same issue here. anyone succeeded in restoring the default settings? weird hidden menu on this Phone and keeps me frustrated...

Kriffy said:
Has anyone found a solution to this? I have tried a factory reset and it did not solve the issue. I also tried a couple things such as changing the RAT Selection to WCDMA ONLY (since VZW) and then LTE ONLY and then to LTE/WCDMA but that results in no service at all whereas I at least have service with WCDMA ONLY or LTE ONLY.
I imagine there should be a simple way to fix this as it is literally just disabling bands in the modem...it is just a matter of figuring out how.
Click to expand...
Click to collapse
couldn't agree more. But for now it Seems nobody has A solution...

AliLaPointe said:
Hey Chazz, sorry for the delay. I have notifications turned off. But yes, I had to do a factory reset from scratch. I didn't restore any settings and started with a clean slate. I then used LTE discovery to see myself connecting to different bands. Toggling airplane mode showed band 4 and 12.
Click to expand...
Click to collapse
Thanks for the answer. The V30 with the problem is now my backup phone, as I'm using a V30+ as daily phone. I didn't dare touch this menu on that one or my wife's V30.
I have reset that first phone, but it no longer has a SIM card in it. Maybe next weekend I take it for a drive...
Moriatier said:
messed it up, too. It is definitely stupid not to give users the right to select all the bands or to use auto mode. Seems that we have to wait for the bootloader unlock to have that right back?
Click to expand...
Click to collapse
Yeah, the US998 needs the T-Mobile hidden menu, where you can select all the bands you wish, not just one at a time. Very strange design choice from LG.
There is an option in the hidden menu to reset networks. Did you see that? Maybe that's what needs to be chosen?
Sent from my official carrier unlocked LG V30+ US998

ChazzMatt said:
If factory reset doesn't work, then flashing this probably won't. I don't know for sure. However, in that same hidden menu mode, I saw network reset choices. Not in the LTE bands section, but a neighboring section.
Click to expand...
Click to collapse
bbot3k said:
Could you direct me to the setting path? I'm not seeing anything that says network reset choices.
Click to expand...
Click to collapse
Moriatier said:
waiting for your guide, too.
Click to expand...
Click to collapse
Hmmm... very strange. I know I saw something before, but I can't find exactly what I remember.
Anyway, I see the R&D Factory Reset in the Hidden Menu. Is that some kind of super duper re-set? I don't know. It's in the Hidden Menu for a reason.
I also see Network Settings Reset in the the regular Settings menu. I don't have a SIM card in this phone, but if I did would it re-set ALL my network settings?

ChazzMatt said:
Hmmm... very strange. I know I saw something before, but I can't find exactly what I remember.
Anyway, I see the R&D Factory Reset in the Hidden Menu. Is that some kind of super duper re-set? I don't know. It's in the Hidden Menu for a reason.
I also see Network Settings Reset in the the regular Settings menu. I don't have a SIM card in this phone, but if I did would it re-set ALL my network settings?
Click to expand...
Click to collapse
I think the Network Settings Reset in the regular settings menu is already covered by the factory data reset. Thanks for getting back to us though. I'm not entirely sure if Factory Data Reset worked for me or not. T-Mobile around where I live is mostly Band 4. I've looked through cellmapper for towers that had band 2 and were spotted recently, and as I drove by them I didn't notice my phone connecting to anything other than band 4.

ChazzMatt said:
Hmmm... very strange. I know I saw something before, but I can't find exactly what I remember.
Anyway, I see the R&D Factory Reset in the Hidden Menu. Is that some kind of super duper re-set? I don't know. It's in the Hidden Menu for a reason.
I also see Network Settings Reset in the the regular Settings menu. I don't have a SIM card in this phone, but if I did would it re-set ALL my network settings?
Click to expand...
Click to collapse
had tried R&D Factory Reset, failed to fix the messing up in the hudden menu.

Ive got a H931 that was a test phone that has the USERDEBUG imprint on the LG home screen. Was able to access the hidden menu. Anyone know what setting to alter to remove the USERDEBUG imprint from home screen?

Anybody know if there's a way to turn on advanced hd voice calling in this menu? Under phone settings the option is greyed out for me and appears to be off

Useful tip for switching LTE bands in the G710EAW (and possibly other versions)

If you try to change bands in the service menu (e.g. from Band 4 to band 2) and you have LTE but phone calls don't work at all (just says call ended instantly), just go to "network mode" and select automatic, which will get voice working again on your new band.
Turning the sim card off and back on won't fix that--that will just make the band reset to default (with voice working) which isn't want you wanted if you were switching bands.
This can be useful on low tier providers if one band is lagging horribly and another band is more reliable.

I just recently discovered the service menu, does this actually enable bands that normally aren't active? I see Band 71 here which I thought was only available on the TMobile US variant, yet here I am with the ULM model and it shows it in the menu. I'd like to enable it in case I'm ever in an area that supports it, but I'm not sure what this menu actually does?

General Android users can now disable 2G to block Stingray attacks - EFF praises Android’s new 2G kill switch, wants Apple to follow suit

https://www.bleepingcomputer.com/ne...now-disable-2g-to-block-stingray-attacks/amp/
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Click to expand...
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Not really.

Presumably this isn't going to be available where the network doesn't allow you to chose the network type.

MrBelter said:
Presumably this isn't going to be available where the network doesn't allow you to chose the network type.
Click to expand...
Click to collapse
Possibly. But it's a separate setting from the preferred network toggle; it's right under APN at the bottom of the Mobile network menu.
It's been an option on my P6P for a while (maybe the whole time), but I never knew why it's be useful.

somethingsomethingroot said:
Possibly. But it's a separate setting from the preferred network toggle; it's right under APN at the bottom of the Mobile network menu.
It's been an option on my P6P for a while (maybe the whole time), but I never knew why it's be useful.
Click to expand...
Click to collapse
Nowhere to be seen on mine and i am with a network that hides/blocks/disables any network selection

I'm able to turn 2G off with AT&T.

Hmm will give it a try but quite often I have edge which is better than having nothing.

The UKs emergency network is currently 2G so if you was to disable it you wouldn't have access to that obviously.

MrBelter said:
The UKs emergency network is currently 2G so if you was to disable it you wouldn't have access to that obviously.
Click to expand...
Click to collapse
It does note that for emergency calls 2G is always on, probably for emergency networks. I'm learning so much about 2G today.

Always have been able to control the network selection like this. Dialer *#*#4636#*#*, phone information, network.

96carboard said:
Always have been able to control the network selection like this. Dialer *#*#4636#*#*, phone information, network.
Click to expand...
Click to collapse
Indeed you can but how many people do you know that you would actualy let loose in that menu?

EFF praises Android’s new 2G kill switch, wants Apple to follow suit
Ron Amadeo 01/14/2022 1:35 pm Categories:Tech
The Electronic Frontier Foundation is celebrating Google's addition of a 2G kill switch to Android 12. The digital rights group has been campaigning against the dated, insecure 2G cellular standard since 2020, and Android is the first mobile OS to take the group's advice and let users completely disable 2G.
In the US, carriers shut down 2G years ago, and the 3G shutdown is already underway. Phones have not really gotten the message, though, and modems still try to connect to any nearby 2G signals automatically. The problem is that 2G is very old, and it's a lot like connecting to a WEP-secured Wi-Fi hotspot—the security is obsolete, so it's easy to crack. If you're in a country where legitimate uses of 2G are long dead, the standard only serves as an attack vector via fake cell phone towers, so why not just shut it off?
The EFF explains the issues:
There are two main problems with 2G. First, it uses weak encryption between the tower and device that can be cracked in real time by an attacker to intercept calls or text messages. In fact, the attacker can do this passively without ever transmitting a single packet. The second problem with 2G is that there is no authentication of the tower to the phone, which means that anyone can seamlessly impersonate a real 2G tower and a phone using the 2G protocol will never be the wiser.
This isn't to say that non-2G signals are "secure." They are less insecure, but you still shouldn't trust the cellular network. The best practice is to encrypt everything. This is generally the default for web communications, but depending on how your carrier and phone are set up, carrier services like SMS and phone calls could be more vulnerable.
So why is 2G still on by default, even though it's so obviously obsolete? The 2G story varies dramatically around the world. The IoT cellular company EMnify maintains an incredible global 2G phase-out list that is worth perusing. Some countries like the US, Canada, Japan, South Korea, and Taiwan have been off 2G for a while. Europe isn't killing 2G until 2025, though. Some South American countries are keeping the standard around until 2024, and some countries in Africa have no scheduled 2G shutdown date at all.
This radio "hardware abstraction layer" is one of the Project Treble vendor interfaces we talk about so much. Treble is a project that modularizes the OS away from the hardware support, allowing for easier updates; this HAL is that interface that sits between the OS and the hardware driver. The actual HALs don't get updated much, so your best bet for getting a 2G kill switch is buying a new Android phone launching with Android 12, not a phone that is being upgraded to Android 12.
Enlarge / The 2G kill switch on Android 12.
Ron Amadeo
But wait, this is Android, so the carriers can get in the way, too. As the release notes say, "Carriers can disable the feature at runtime." With all the possible variables here, the only way to really know if killing 2G is supported is to open the settings and look. I can confirm the switch is on the Pixel 6, and the EFF says to check some newer Samsung phones.
If you want to kill 2G and have a normal settings layout, the switch is at "Settings > Network & Internet > SIMs > Allow 2G." If your OEM scrambled the Android settings for the purposes of "differentiation," try searching for "2G" or hunting around the cellular settings.
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I turned off 2G on my P6P - using T-Mobile.

I wonder if they came up with this idea because of GrapheneOS's "LTE only" selector? Probably didn't want to go to quite that extreme since LTE coverage is quite spotty on some networks and this mode can't work well without network support for VOLTE?

johninsf said:
I turned off 2G on my P6P - using T-Mobile.
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How?

kirschdog1 said:
How?
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Here.

Disabling 2G blocks me from doing any calls in Germany (I am from Austria with two carriers from Austria).

kirschdog1 said:
See @awarman post
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Question 5g connectivity

Not sure if it has been addressed, but has anyone here in the states been able to connect to band n41 for 5g on TMobile? Phones says it is 5g ready on TMobile but all I get is 4g+. Which btw is getting me 100+ dl speeds on average, but just wanted to know if there is something I'm missing to get 5g. In preferred network settings,all I can choose is 4g/ LTE or 3g/2g. No 5g option. Any help would be greatly appreciated.

diopskill said:
Not sure if it has been addressed, but has anyone here in the states been able to connect to band n41 for 5g on TMobile? Phones says it is 5g ready on TMobile but all I get is 4g+. Which btw is getting me 100+ dl speeds on average, but just wanted to know if there is something I'm missing to get 5g. In preferred network settings,all I can choose is 4g/ LTE or 3g/2g. No 5g option. Any help would be greatly appreciated.
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Which model of the phone do you have? I have the Chinese variant on Metro and 5G works flawlessly. I know they run on T-Mobile towers so they should have the same bands, I'm guessing, or maybe not.

Music&Art said:
Which model of the phone do you have? I have the Chinese variant on Metro and 5G works flawlessly. I know they run on T-Mobile towers so they should have the same bands, I'm guessing, or maybe not.
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Thanks for the reply. I have the global version. What happened when you first inserted your sim card? Mine said downloading network info or something.

Music&Art said:
Which model of the phone do you have? I have the Chinese variant on Metro and 5G works flawlessly. I know they run on T-Mobile towers so they should have the same bands, I'm guessing, or maybe not.
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Yes I believe they have the same bands. I cannot get the preferred network to show 5g as an option. What area are you in? I'm in the Philadelphia area.

diopskill said:
Thanks for the reply. I have the global version. What happened when you first inserted your sim card? Mine said downloading network info or something.
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I had to chat with one of the employees there to give them the new IMEI number so they could switch the phone in my account. When I first put the sim in, it actually told me that the sim card was not accepted since it was a China mainland phone. I almost thought I wasted my money and could not keep the phone. The 5g option was there from the beggining though but I was getting no signal at all. I finally found the network reset option after the employee suggested it and reset the network, restarted the phone and it finally worked. Also voLTE works as well. Up until this phone, I tried a global Mate 40 Pro and MI 11 Ultra and neither of them had that option available. Not sure why.
Also, on this version it doesn't even say the preferred network option. If I go under Mobile Network & Sim 1 that's where it shows 5g and I can toggle it on or off.

Music&Art said:
I had to chat with one of the employees there to give them the new IMEI number so they could switch the phone in my account. When I first put the sim in, it actually told me that the sim card was not accepted since it was a China mainland phone. I almost thought I wasted my money and could not keep the phone. The 5g option was there from the beggining though but I was getting no signal at all. I finally found the network reset option after the employee suggested it and reset the network, restarted the phone and it finally worked. Also voLTE works as well. Up until this phone, I tried a global Mate 40 Pro and MI 11 Ultra and neither of them had that option available. Not sure why.
Also, on this version it doesn't even say the preferred network option. If I go under Mobile Network & Sim 1 that's where it shows 5g and I can toggle it on or off.
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Can you post a screenshot please? Do you think it might be my SIM card. It's the same one since 2019 that came with one plus 7pro lol.

Music&Art said:
I had to chat with one of the employees there to give them the new IMEI number so they could switch the phone in my account. When I first put the sim in, it actually told me that the sim card was not accepted since it was a China mainland phone. I almost thought I wasted my money and could not keep the phone. The 5g option was there from the beggining though but I was getting no signal at all. I finally found the network reset option after the employee suggested it and reset the network, restarted the phone and it finally worked. Also voLTE works as well. Up until this phone, I tried a global Mate 40 Pro and MI 11 Ultra and neither of them had that option available. Not sure why.
Also, on this version it doesn't even say the preferred network option. If I go under Mobile Network & Sim 1 that's where it shows 5g and I can toggle it on or off.
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Also what region did you choose at setup?

Music&Art said:
I had to chat with one of the employees there to give them the new IMEI number so they could switch the phone in my account. When I first put the sim in, it actually told me that the sim card was not accepted since it was a China mainland phone. I almost thought I wasted my money and could not keep the phone. The 5g option was there from the beggining though but I was getting no signal at all. I finally found the network reset option after the employee suggested it and reset the network, restarted the phone and it finally worked. Also voLTE works as well. Up until this phone, I tried a global Mate 40 Pro and MI 11 Ultra and neither of them had that option available. Not sure why.
Also, on this version it doesn't even say the preferred network option. If I go under Mobile Network & Sim 1 that's where it shows 5g and I can toggle it on or off.
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Click to collapse
Soooio.... My SIM card is not 5g compatible lol. Will try a new card later and report back. Thanks for the help

diopskill said:
Soooio.... My SIM card is not 5g compatible lol. Will try a new card later and report back. Thanks for the help
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Oh good! I hope it works.

Music&Art said:
Oh good! I hope it works.
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No go. I think the 5g has been disabled somehow

diopskill said:
No go. I think the 5g has been disabled somehow
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What happens if you go to Mobile Network --> SIM 1? This is what it shows on mine. I think the 5g came on automatically for mine. But here is where it shows the 5g toggle. I'm not sure how the settings look on the global one since I think it runs on Funtouch. Mine is on Origin OS. I'm not sure if that plays a part in 5g as well.
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"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
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Music&Art said:
What happens if you go to Mobile Network --> SIM 1? This is what it shows on mine. I think the 5g came on automatically for mine. But here is where it shows the 5g toggle. I'm not sure how the settings look on the global one since I think it runs on Funtouch. Mine is on Origin OS. I'm not sure if that plays a part in 5g as well.
View attachment 5646425
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Nope. Nothing like that. 5g won't even show up. I think vivo blocked the option. I'm in contact with them. I'll report back when they respond. I'm confused. Phone is awesome otherwise.

Music&Art said:
What happens if you go to Mobile Network --> SIM 1? This is what it shows on mine. I think the 5g came on automatically for mine. But here is where it shows the 5g toggle. I'm not sure how the settings look on the global one since I think it runs on Funtouch. Mine is on Origin OS. I'm not sure if that plays a part in 5g as well.
View attachment 5646425
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My screenshot...

diopskill said:
Nope. Nothing like that. 5g won't even show up. I think vivo blocked the option. I'm in contact with them. I'll report back when they respond. I'm confused. Phone is awesome otherwise.
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Any luck? Also, does voLTE work?

Music&Art said:
Any luck? Also, does voLTE work?
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Yep. VoLTE and WiFi calling and rsc all work

Music&Art said:
Any luck? Also, does voLTE work?
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And nope still just 4g+.

diopskill said:
And nope still just 4g+.
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That's strange.

diopskill said:
My screenshot...
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diopskill said:
My screenshot...
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Try this: in your phone app dial *#*#4636#*#* and select Phone Info. In that window scroll down to: Set Preferred Network Type and use the drop down arrow to select NR/LTE/GSM/WCDMA

frcraig said:
Try this: in your phone app dial *#*#4636#*#* and select Phone Info. In that window scroll down to: Set Preferred Network Type and use the drop down arrow to select NR/LTE/GSM/WCDMA
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Still nothing. 4g only option. When you first started phone/inserted sim, did you get a notification saying to update carrier provisioning? I did but I think that messed up something...

No message when I inserted my SIM, but then I wouldn't expect any carrier specific updates to provision services on my phone as my carrier hasn't certified and doesn't support Vivo phones. Consequently I don't have VoLTE or Wifi Calling toggles in my SIM settings. I do however have the "enable 5G" toggle (and it works because I do connect to 5G) because that setting is baked into the firmware and is not something pushed by the carrier. I don't expect this would make any difference, but you can enable developer options and toggle on VoNR. That is the new voice over 5G technology that is replacing VoLTE (voice over 4G) with some carriers.