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I have a Note 4 Sm N910L from Korea. I live here in Japan at the moment. I bought the phone properly over Amazon and its new. I bought a data sim for it and it was working perfectly for about 7 weeks then one morning when I woke up there was no signal I have tried everything - updated from 444 to 501 then downgraded again UP and DOwn Maaany times. If I go near the Docomo store I can get connected again and it will stay connected for the 3km back to my home and then go off again when I reach home and not go back on - so I know the hardware still works ( I guess). It now just continually says Limited service or "your card is not authorised to use this network". Ive tried many other sims in the phone, none work.
If you can give me a step by step COMPLETE guide with links to any files I need to fix it, I'll pop 50 dollars in a paypal account the same day I can make my first skype call again!!! First person's info that actually does the job gets the money.
Love my phone and Im absolutely &%$'ed without it.
Hope you can help (the wife is out buying some rope and a straight-jacket as I type)
kazbluesk1 said:
I have a Note 4 Sm N910L from Korea. I live here in Japan at the moment. I bought the phone properly over Amazon and its new. I bought a data sim for it and it was working perfectly for about 7 weeks then one morning when I woke up there was no signal I have tried everything - updated from 444 to 501 then downgraded again UP and DOwn Maaany times. If I go near the Docomo store I can get connected again and it will stay connected for the 3km back to my home and then go off again when I reach home and not go back on - so I know the hardware still works ( I guess). It now just continually says Limited service or "your card is not authorised to use this network". Ive tried many other sims in the phone, none work.
If you can give me a step by step COMPLETE guide with links to any files I need to fix it, I'll pop 50 dollars in a paypal account the same day I can make my first skype call again!!! First person's info that actually does the job gets the money.
Love my phone and Im absolutely &%$'ed without it.
Hope you can help (the wife is out buying some rope and a straight-jacket as I type)
Click to expand...
Click to collapse
I loved the way you exposed your problem. I don't come here with a fix but only with few suggestions (so I don't deserve the 50 bucks) :
- check the pins of the sim slot
- check the back screws also and tighten them a little bit
- in network settings try to manually set provider and also choose only one mode (no auto 2g/3g/lte) preferably 2g only
Envoyé de mon SM-N910C en utilisant Tapatalk
It has happened to me with another phone. Turns out my SIM had failed, so it needed to be replaced. Sometimes it happens and it's quite easy to get a new one, so that would be the first thing I'd do if I were you. I hope you fix the problem soon!
Thanks but I tried the sim contacts I didnt notice any screws loose (except my own of course) I'll check (though not hopeful). I appreciate any suggestions.
iridaki said:
It has happened to me with another phone. Turns out my SIM had failed, so it needed to be replaced. Sometimes it happens and it's quite easy to get a new one, so that would be the first thing I'd do if I were you. I hope you fix the problem soon!
Click to expand...
Click to collapse
Iridaki, thank you. I ve tried 4 other sims from my provider in it and they dont want to work either. I feel it is more a software problem as it was alright when i went to sleep one night and the totally banjacked when i woke up in the morning. Im not sure though, just a noob at all this. Thank you for trying to help though.
googy_anas said:
I loved the way you exposed your problem. I don't come here with a fix but only with few suggestions (so I don't deserve the 50 bucks) :
- check the pins of the sim slot
- check the back screws also and tighten them a little bit
- in network settings try to manually set provider and also choose only one mode (no auto 2g/3g/lte) preferably 2g only
Envoyé de mon SM-N910C en utilisant Tapatalk
Click to expand...
Click to collapse
I just looked at my settings and i am unable to find any page where I can choose 2g or 3g or 4. When I rooted the phone a few days ago I remember downloading phone info which let me choose but that made no difference. Now my phone is unrooted again.
Thank you though googy
kazbluesk1 said:
Iridaki, thank you. I ve tried 4 other sims from my provider in it and they dont want to work either. I feel it is more a software problem as it was alright when i went to sleep one night and the totally banjacked when i woke up in the morning. Im not sure though, just a noob at all this. Thank you for trying to help though.
Click to expand...
Click to collapse
Ah I see.
I think I know what's going on.
The N910L supports the following frequencies: GSM 900/1800/1900, UMTS 850/1900/2100 and LTE Band 1, 3, 5, 7.
Docomo don't use GSM at all, instead they use UMTS 800/1700/2100 and LTE Band 1, 9, 19, 21, 28.
Basically your phone is not designed for the Japanese market, as it only supports two of the eight frequencies used by Docomo. The reason you had signal and still have around their store is probably because there's a tower that supports the UMTS 2100 or LTE Band 1 frequency. So you either moved recently or perhaps you didn't but one of the nearby towers was switched to a different, unsupported by your phone, frequency.
kazbluesk1 said:
I just looked at my settings and i am unable to find any page where I can choose 2g or 3g or 4. When I rooted the phone a few days ago I remember downloading phone info which let me choose but that made no difference. Now my phone is unrooted again.
Thank you though googy
Click to expand...
Click to collapse
In network settings , there should be a submenu where you can change it. You can also directly access it with long press on data connection icon in notification drawer
Envoyé de mon SM-N910C en utilisant Tapatalk
Service mode
try this code in the dialer *#0011# whenever you have signal it helps you to identify which band you are connected with
After that you can buy a signal repeater that support that band and bring signal to your home since its not that far distance 3km from docomo store : )
are you on 5.0.1 ?
some suggestions for you.
settings>mobile networks, there should be the preferred network type
check your access point names again, or try adding again, sending a message to provider would probably give u the settings. :fingers-crossed:
iridaki said:
Ah I see.
I think I know what's going on.
The N910L supports the following frequencies: GSM 900/1800/1900, UMTS 850/1900/2100 and LTE Band 1, 3, 5, 7.
Docomo don't use GSM at all, instead they use UMTS 800/1700/2100 and LTE Band 1, 9, 19, 21, 28.
Basically your phone is not designed for the Japanese market, as it only supports two of the eight frequencies used by Docomo. The reason you had signal and still have around their store is probably because there's a tower that supports the UMTS 2100 or LTE Band 1 frequency. So you either moved recently or perhaps you didn't but one of the nearby towers was switched to a different, unsupported by your phone, frequency.
Click to expand...
Click to collapse
Ive not moved recently, and my childrens phones on the same sim plan and provider works perfectly. Also no matter where I go I never get signal - except right outside doccomo shop. BUT phone worked perfectly for 7 weeks before with great signal. Something has changed regarding my phone I think. Maybe my phone got changed to different settings over the air or something.
Thank you
googy_anas said:
In network settings , there should be a submenu where you can change it. You can also directly access it with long press on data connection icon in notification drawer
Envoyé de mon SM-N910C en utilisant Tapatalk
Click to expand...
Click to collapse
When I long press I get a tick box for allowing a Data network and the Just access point settings tab. No tab for choosing 2g 3g 4g LTE etc.
Thanks
azizski said:
try this code in the dialer *#0011# whenever you have signal it helps you to identify which band you are connected with
After that you can buy a signal repeater that support that band and bring signal to your home since its not that far distance 3km from docomo store : )
Click to expand...
Click to collapse
Hello Azizski, I checked *#0011# and the top one says DLCH 10736 ULCH 9786
the other seemingly relavent lines say
MM Cause 0 IDLE/DISCONNECTED-SERVICE
GMM Cause 0 DEREGISTERED/LIMIT
RCC DISCONN RSSI/TX 89/0
Whatever that all means.
Thank you for your help.
are you on 5.0.1 ?
some suggestions for you.
settings>mobile networks, there should be the preferred network type
check your access point names again, or try adding again, sending a message to provider would probably give u the settings. :fingers-crossed:
devilxvergil said:
are you on 5.0.1 ?
some suggestions for you.
settings>mobile networks, there should be the preferred network type
check your access point names again, or try adding again, sending a message to provider would probably give u the settings. :fingers-crossed:
Click to expand...
Click to collapse
Hi, I've input the settings maybe a hundred times now - I can do it from memory almost with my eyes shut . The settings are the same as what workedfor 7 weeks. The guy at the counter of my provider input them too - they dont work anymore.. There is only one access point that used to work.
iijmio
iijmio.jp
[email protected]
iij
chap or pap
Thanks for your help. I stlll feel the problem is something software or update based, maybe the modem has been changed somehow. Or another setting deep inside the phone.
Does flashing an update also flash a new modem and baseband?
devilxvergil said:
are you on 5.0.1 ?
some suggestions for you.
settings>mobile networks, there should be the preferred network type
check your access point names again, or try adding again, sending a message to provider would probably give u the settings. :fingers-crossed:
Click to expand...
Click to collapse
Hi Yup Im on 501. Was on the phone to them 3 times last week - last time for 2 hours - nothing they say seems to work.
Thank you for your help though.
Why you dont try flashing kitkat or first lolipop u get whit odin?
Install from Play Store ☆Phone info☆Samsung and check your CSC code than go to sammmobil and download right FW...flash whit ODIN and u will be see...
*Oh sorry u allready tried that... Maybe to flash different modem?
kazbluesk1 said:
my childrens phones on the same sim plan and provider works perfectly.
Click to expand...
Click to collapse
And, just to clarify, your children have Note 4 phones, with the exact same model number (N910L)?
Jovan1997 said:
Why you dont try flashing kitkat or first lolipop u get whit odin?
Install from Play Store ☆Phone info☆Samsung and check your CSC code than go to sammmobil and download right FW...flash whit ODIN and u will be see...
*Oh sorry u allready tried that... Maybe to flash different modem?
Click to expand...
Click to collapse
Hi, Yes, I want to try to flash a new modem but Im not sure about the procedure and exactly which files I need. I have tried to flash a few modems via ZOdin but I keep getting a nand write fail. Im a noob at this and am obviously doing something wrong. If you can tell me exactly how to do it I'd be very greatful.
Ian
iridaki said:
And, just to clarify, your children have Note 4 phones, with the exact same model number (N910L)?
Click to expand...
Click to collapse
Hi Iridaki,
Nope they have 2 old iphone 4 s' using the same data sim as me. (iijmio ((basically docomo)) ). Sorry about not being clear about that.
Dear Members!
I recently switched from Lumia 630 DS to this nice phone, P8 Lite.
Sadly, in 2016, there are phones with inability to maintain data+call over 2G.
So, when i make/receive calls, network gone cause phone falls back to 2G.
Sure, no problem, let's set it to 3G/4G... Wait! You can't...
It's a shame that you need to unlock bootloader, and root your phone,
just to hack settings.db to switch 3G/4G only..
Anyone here, can tell me what stores these options, and where?
I would like to modify original rom, to let choose 3G/4G,
To help others not to go through this long procedure to lock phone only 3G/4G.
Because if we can have a stock rom with ability to choose 3G/4G,
Users just can install that rom without need of BL unlock + root.
I achieved this using adb:
settings put system preferred_network_mode 12
mthqwork said:
Dear Members!
I recently switched from Lumia 630 DS to this nice phone, P8 Lite.
Sadly, in 2016, there are phones with inability to maintain data+call over 2G.
So, when i make/receive calls, network gone cause phone falls back to 2G.
Sure, no problem, let's set it to 3G/4G... Wait! You can't...
It's a shame that you need to unlock bootloader, and root your phone,
just to hack settings.db to switch 3G/4G only..
Anyone here, can tell me what stores these options, and where?
I would like to modify original rom, to let choose 3G/4G,
To help others not to go through this long procedure to lock phone only 3G/4G.
Because if we can have a stock rom with ability to choose 3G/4G,
Users just can install that rom without need of BL unlock + root.
I achieved this using adb:
settings put system preferred_network_mode 12
Click to expand...
Click to collapse
I think is not possible without root
i tried using the secret code *#*#2846579#*#* but you cannot change the preferred network type
so i solved this problem with xposed but you must be rooted ...
xander33 said:
I think is not possible without root
i tried using the secret code *#*#2846579#*#* but you cannot change the preferred network type
so i solved this problem with xposed but you must be rooted ...
Click to expand...
Click to collapse
I have tried Xposed, but it disables the theming, which is ugly.
And to be honest, dont want to have a framwork just to achieve a simple trick.
I know that this way we need root. But i meant a modified stock rom, which includes the option 3G/4G.
The settings app says that selected mode is 3G/4G but when I open selection it shows:
Automatic 4G/3G/2G
Automatic 3G/2G
3G Only
2G Only
Obviously none of them selected, because it's not in the list that i set.
I need to add somehow the Automatic 3G/4G to the list.
Then just need to flash modified stock rom, and root if you want, but not must.
mthqwork said:
I have tried Xposed, but it disables the theming, which is ugly.
And to be honest, dont want to have a framwork just to achieve a simple trick.
I know that this way we need root. But i meant a modified stock rom, which includes the option 3G/4G.
The settings app says that selected mode is 3G/4G but when I open selection it shows:
Automatic 4G/3G/2G
Automatic 3G/2G
3G Only
2G Only
Obviously none of them selected, because it's not in the list that i set.
I need to add somehow the Automatic 3G/4G to the list.
Then just need to flash modified stock rom, and root if you want, but not must.
Click to expand...
Click to collapse
there is a new dedicated version of xposed that work without disable theme engine
i posted the link here
http://forum.xda-developers.com/p8lite/general/xposed-version-theme-engine-active-t3394115
with intelli 3g you could use 3g/4g only option
xander33 said:
I think is not possible without root
i tried using the secret code *#*#2846579#*#* but you cannot change the preferred network type
so i solved this problem with xposed but you must be rooted ...
Click to expand...
Click to collapse
xander33 said:
there is a new dedicated version of xposed that work without disable theme engine
i posted the link here
http://forum.xda-developers.com/p8lite/general/xposed-version-theme-engine-active-t3394115
with intelli 3g you could use 3g/4g only option
Click to expand...
Click to collapse
Thanks, i will try it. I used the Intelli3G with theme-disabled xposed, but I was so disappointed with themes, so immediately restored the nand backup
But the main goal is still to have Auto 3G/4G incorporated in stock rom. Maybe better to write to Huawei to include in stock?
mthqwork said:
Thanks, i will try it. I used the Intelli3G with theme-disabled xposed, but I was so disappointed with themes, so immediately restored the nand backup
But the main goal is still to have Auto 3G/4G incorporated in stock rom. Maybe better to write to Huawei to include in stock?
Click to expand...
Click to collapse
you have right but i dont think that they take care about that
xander33 said:
you have right but i dont think that they take care about that
Click to expand...
Click to collapse
The shame is that 2013 device Lumia 630 does the dual data+call mode over 2G. I think all WP do this, but new android devices still not.
So the 3G/4G lock is just a half-solution to the problem with (most of) android devices don't or don't want to support 2G voice+data. And the annoying is that, even if you are in good 3G coverage, it drops to 2G in seconds after call established. So no matter what is falls back to 2G. My engineer friend said its by design to keep 3G cells free. Shame. Maybe this will be solved if 2G cells shutdown
I am curious that it's a radio chip inability or just android design fail? Because i think the os disables data channel.
But don't know if hardware supports it or not. Here in Hungary, my network supports it from the very first time, i know from an engineer.
But the first (and only) phone saw that works this way is the Lumia.
mthqwork said:
The shame is that 2013 device Lumia 630 does the dual data+call mode over 2G. I think all WP do this, but new android devices still not.
So the 3G/4G lock is just a half-solution to the problem with (most of) android devices don't or don't want to support 2G voice+data.
I am curious that it's a radio chip inability or just android design fail? Because i think the os disables data channel.
But don't know if hardware supports it or not. Here in Hungary, my network supports it from the very first time, i know from an engineer.
But the first (and only) phone saw that works this way is the Lumia.
Click to expand...
Click to collapse
well my carrier (H3G) have only 3g/4g no 2g
i think that is a OS problem but I haven't the knowlegde to be sure, it's just an opinion
xander33 said:
well my carrier (H3G) have only 3g/4g no 2g
i think that is a OS problem but I haven't the knowlegde to be sure, it's just an opinion
Click to expand...
Click to collapse
I guess that too. Maybe some more experienced ppl will let us know.
Just installed Xposed 85.1 looks fine. Thank You :good:
Hi I'm new to the forum I had not posted because I'm from Mexico and I do not know much English, but with the use of technology (Google Translate XD) it helps a lot (I hope you understand). I've been reading them for a long time, this forum has helped me a lot with all the cell phones I've had.
I bought the Huawei Nova 3 PAR-AL00 with Chinese firmware and I have several problems, the most serious is that I do not have 4g, in my country the 4g network is transmitted through B4 / 1700 / 2100MHz and this model does not bring it, I miss it is that in my country the nova 3 is commercialized with 4g, but it has 4GB of RAM, that's why I opted for the Chinese version with 6GB of RAM, but it was expensive to lose 4g. At the moment it only has 3g + and in some places on the road AT & T provides 4g service through band 5. I hope someday I will standardize it.
I read in several forums that Huawei limits his HW device by SW, has anyone heard that?
Other of the drawbacks that I observe in the topic of the Chinese Rom are:
- The Google assistant does not start, says that you must choose it by default and once you enter is the default and after this works the "ok google". But when it reboots or after a while it does not respond anymore.
- Hitouch will default to your Chinese store and I do not know how to change it.
-Hivoice is also your Chinese assistant and I can not change it by google assitent
-hivision: I see that you can use it with a drag gesture from the bottom right but it does not do anything
I have read several threads but everything points to the fact that we can not change the rom-global because of the problems of the boot manager.
The phone in general, I'm pretty good but the topic of rom-china if it is a headache. I have read in several forums that the update of EMUI 9 to the model PAR-AL00 has already arrived, but it has not come to me. I installed Firmware Finder to try to force the update and it appears:
PAR-AL00C00E81R1P2B53 (9.0.0.43)
2018.10.31 4.038GB FullOTA-MF 186383
However when checking firmware Access tells me that the firmware is not approved for installation.
Do you think that when the update is released, some problems are corrected? Or worse?
Hi,
I bought same phone, except I live in Europe, so I can actually use 4G. However, my problem is that I updated the phone and now I am unable to set a default launcher, which forces me to use the crappy launcher they provided me with. I hope they update the phone soon.
Also, I checked oppomarket and saw that the phone's 5G, indeed, is not supported in U.S.A.
Have the same phone, in US with T-mobile. currently getting 2G, i mean not 4G LTE, 3G, but 2G...
there is currently nothing i can do expect root the device, and add 3G/4G bands to my phone, where i don't know how.
Apart from the launcher, how does it work? you see some improvement over nougat
MtKokko said:
Hi,
I bought same phone, except I live in Europe, so I can actually use 4G. However, my problem is that I updated the phone and now I am unable to set a default launcher, which forces me to use the crappy launcher they provided me with. I hope they update the phone soon.
Also, I checked oppomarket and saw that the phone's 5G, indeed, is not supported in U.S.A.
Click to expand...
Click to collapse
he problem is the bands, I was investigating and in the US, they do not use B5 for 4g / 3g I imagine that only 2g
liha22 said:
Have the same phone, in US with T-mobile. currently getting 2G, i mean not 4G LTE, 3G, but 2G...
there is currently nothing i can do expect root the device, and add 3G/4G bands to my phone, where i don't know how.
Click to expand...
Click to collapse
Another option will be rebrand the device with PAR-LX9 firmware using Funky Huawei. For see if that option enables the bands for North America
Good day.
As i no longer have the '2g only' option in preferred networks in my phone, i have been searching for an root way to add that to my phone.
I stumbled upon an forum that has an solution on MIUI devices, that consists in changing a value in a database file 'settings.db' with an SQL editor. (see attached image)
It seems that Sony must have the file in another directory, as the db file was supposed to be in '/data/data/com.android.providers.settings/databases', but in my phone i couldn't find the file.
Could anyone direct me to that file?
Thank you.
At least I have an option "GSM only" in preferred network settings. I'd think it means "2G".
Hansoliv said:
As i no longer have the '2g only' option in preferred networks in my phone, i have been searching for an root way to add that to my phone.
Click to expand...
Click to collapse
You don't need to do any of that. Open you phone and type *#*#7378423#*#*
Then go into Service settings and choose GSM_UMTS, or GSM_ONLY.
You may have better results with the first option, but if you fail to get any signal, try the second.
Good day and thank you for your reply.
I already used that way with the service menu, but every time i want to switch between 2g and 4g, i have to do that procedure, that is not very pratical.
That is why i am searching a way to change the settings in my phone to accomplish that more easily.
The only 2 options in my phone is '2g/3g' and '4g/3g/2g'.
Hansoliv said:
Good day and thank you for your reply.
I already used that way with the service menu, but every time i want to switch between 2g and 4g, i have to do that procedure, that is not very pratical.
That is why i am searching a way to change the settings in my phone to accomplish that more easily.
The only 2 options in my phone is '2g/3g' and '4g/3g/2g'.
Click to expand...
Click to collapse
I don't understand the issue with using 4g, why keep switching?
Didgesteve said:
I don't understand the issue with using 4g, why keep switching?
Click to expand...
Click to collapse
Good day.
For 3 main reasons.:
1 - Most of the time 4g uses 4x more battery power than 2g.
2 - In my country house, 4g is unstable, and keeps switching between 4g and 3g.
3 - Throughout the day, while at work, i use my phone mostly to receive messages in Whatsapp and Facebook messenger, so i don't need that much throughput.
Thank you.
Hansoliv said:
Good day.
For 3 main reasons.:
1 - Most of the time 4g uses 4x more battery power than 2g.
2 - In my country house, 4g is unstable, and keeps switching between 4g and 3g.
3 - Throughout the day, while at work, i use my phone mostly to receive messages in Whatsapp and Facebook messenger, so i don't need that much throughput.
Thank you.
Click to expand...
Click to collapse
Most providers these days will sell you a signal booster. Connects to your home broadband but puts out a 3g/4g signal for your phone to lock onto.
I use Vodafone, they have Suresignal
I think trying to fight your phone connecting to a 4G mast is a loosing battle.
Good day.
I remembered, if i flash with flashtool, the 'modem' or other part, from another country's FTF file, would it bring back the '2g only' option?
Thank you.
Hansoliv said:
Good day.
I remembered, if i flash with flashtool, the 'modem' or other part, from another country's FTF file, would it bring back the '2g only' option?
Thank you.
Click to expand...
Click to collapse
Fortunately, the whole different modems for different regions thing disappeared a few years ago, what a nightmare.
But having said that all firmwares are equal, I do remember being told about 2g being enabled as a choice in a Russian build. I was being corrected for saying that they are all the same. But I can’t find the post or help you with any more than a maybe….
As I have said earlier, at least I have an option for GSM only. I'm on the latest Customized NOBA (Nordic/Baltic) 47.2.A.4.45. I don't know if flashing some file from the fw would bring the option to a firmware that is lacking it though...
Oh cr*p, there goes my last hope Thank you anyway.
Guess i'll have to try and flash ROM's from all the country until i find one with the option, although i already tried the Russian build and no option.
Just the last stretch for this phone until the Galaxy S10 arrives.
Hansoliv said:
Oh cr*p, there goes my last hope Thank you anyway.
Guess i'll have to try and flash ROM's from all the country until i find one with the option, although i already tried the Russian build and no option.
Just the last stretch for this phone until the Galaxy S10 arrives.
Click to expand...
Click to collapse
Try Customized NOBA. If you don't get the option with that, it's not about fw but your service provider. If you are flashing the whole ROM that is.
vofferz said:
Try Customized NOBA. If you don't get the option with that, it's not about fw but your service provider. If you are flashing the whole ROM that is.
Click to expand...
Click to collapse
Yes, thank you. This weekend i'll try that. What is strange that i had '2G only' option in Oreo, but not Pie. And other users that even replied to my post say that they have the option in their phone.
vofferz said:
Try Customized NOBA. If you don't get the option with that, it's not about fw but your service provider. If you are flashing the whole ROM that is.
Click to expand...
Click to collapse
Nope, none of the other country ROM had the '2G only' option .
Thank you anyway.
This little trick will change your measly 1 bar signal to nearly max bars and give you a solid consistent signal in places you normally would hardly have a connection. At least it did for me.
This goes a bit beyond enabling VoLTE from your SIM Card Network settings which if you haven't done you should enable before trying this... Of course you may not have the same results I had. I found it works best from Stock ROM no root needed I'm currently on 9.0.12 but tried it on 9.0.11 and Beta 5.
Like any mod you should make a backup now and proceed with caution. (By caution I mean don't deviate from instructions goofing around in any engineering mode is never wise)
You should try check your internet speed now (Google internet speed! And take note of it then run the same test to see if your able to improve at all.
Step 1: Optional step but for best results open dialer and type: *#*#4636#*#* From this Testing Menu select Phone Information. Once in phone info select LTE/UMTS auto (prl) for preferred Network type. Then scroll down a bit and make sure VoLTE is switched on. Exit the phone info screen.
Step 2: Open Dialer again and type: *#800#
A Warning Message to Engineering Mode will popup. Press Enter.
Step 3: Click on the first option Called OnePlusLogKit
Once in the LogKit scroll down until you see the menu called: FunctionSwitch now click and select it.
Step 4: There's 3 checkboxes of interest in this menu... VoLTE Switch, VoWifi Switch and VT Switch. I enable all three but some may have better luck not enabling VT Switch. After enabling each option it'll try and reboot your phone just say no until you have all you want enabled.
Now reboot and profit.
I can tell you without a doubt that if your using a stock OOS Rom and using TMobile as your provider that these changes will not eat up your battery any more than normal and altho depending on your location and towers speed availability this can and will increase your overall speed and your ability to maintain a solid connection in low signal areas! It forces carrier aggration meaning it makes the modem in your phone connect multiple times over varied frequencies to achieve the highest level of connection. Like your old 4g phone x 3 up to 6 put together. So your speeds can be 600% improved. Of course the phone is technically supposed to do this on its own which it can occasionally but only in absolutely optimal situations. So not when you really need it too. Lol. So altho it might not work on carriers without this tech or overseas if u live in North America and use TMobile this will drastically help your phone whether you instantly notice it or not trust me it does!
f you notice anything negative or battery draining or your phone becomes even more radioactive simply go back into the menu and disable the Functions. If this helped you at all throw me a like. Enjoy.
Omg you have saved me. A million thanks. I switched to TMobile after getting this phone and the internet speed has been utterly garbage I've been going through hell with tech support trying to get useable speed. As you can see this made a world of difference.
Is there a way to do this ob pixel 2 xl?
Same...
bladestonez said:
Omg you have saved me. A million thanks. I switched to TMobile after getting this phone and the internet speed has been utterly garbage I've been going through hell with tech support trying to get useable speed. As you can see this made a world of difference.
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Wow judging by your screenshot that's like 600% increase in service/speed!! Glad that I could help! I was in exactly the same spot you were in. For the life of me couldn't figure out why my Moto e got better service out here in the boonies I'm lucky to get a bar at that time.... Tried countless different methods techniques and apps with no success. Finally I talked T-Mobile into sending me a signal booster but that would only Boost whatever signal it could pickup itself.... So I have it 50yards from the house with an extension cable in a sealed bucket wrapped in towels just to get around 2-4mbs a sec download speeds n that was shotty every blizzard id get no service or **** would blow over n grounds frozen so unless I want to pay $150 for internet I can't watch anything n my son couldn't play his Fortnite.... I finally figured it out a couple days ago n haven't noticed any negative or side effects from the mod. If I get into an area with LTE+ and CA I can go faster than my buddies AT&T5Ge lol or around 130Mbs but before the hack in the same spot I'd average around 15mbs. I'm curious if people are having speed improvements with WiFi signals I don't have a good one so I couldn't test it. I can confirm flashing the Oos based custom roms or Magisk ROMs either before or after greatly slows/lags/retards signal quality and speed. I'm going to work on a ROM that doesn't and also has tethering throttle bypass built in... I'm thinking the reasons they slow everything down is because their all overseas ports rather than base it off a 6t stock.... Anyways thanks again for sharing ur results bladestonez and I
Appreciate the screenshot!:laugh::good::victory:
WillowTree said:
Is there a way to do this ob pixel 2 xl?
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I'm sure there is to some extent as long as the device has a newer qcom modem and supports Carrier Aggregation & VoLTE in theory this would work for it. But without having the device to test with I couldn't tell you how to do it. Your probably gonna b messing around with dialer codes that lead to engineering modes. Sorry wish my Pixel2 didn't run off last year I'd be a lot more help.:crying:
Why has to be LTE/UMTS? Mine has everything enabled except network type is LTE/WCDMA. It seems there is not too much difference.
Sent from my ONEPLUS 6T using Tapatalk
ma678 said:
Why has to be LTE/UMTS? Mine has everything enabled except network type is LTE/WCDMA. It seems there is not too much difference.
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UMTS is mainly for MMS support while normal texts are already sent through lte. Anyone who's CDMAless should be on LTE/umts
I have tmobile and verizon dual sim setup, does this apply to this guide too?
It doesn't.
ma678 said:
Why has to be LTE/UMTS? Mine has everything enabled except network type is LTE/WCDMA. It seems there is not too much difference.
Sent from my ONEPLUS 6T using Tapatalk
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For all intensive purposes step 1 isn't necessary but if your using tmobile I've found that it will give you a more solid and reliable connection. But ur right this is an optional step however like @sonic1675 said unless your using Verizon or some cdmaish why have anything cdma related enabled? For step one any network type is allowed. But for TMO from my own personal experiences I prefer to use the LTE/umts but to each his own real question is did the mod work well on your Wcdma/LTE setup?
It's 4Anyone.
@humblehyper Verizon is fine to try it with. If u could do a before and after speed test comparison with screenshots to show your fellow vzw folk it works that'd be awesome.
But yeah this mod will work on OnePlus 4,5, 6/6t any carrier any location as long as the engineering apps are accessible and the same as the lay out describe...
gigilie said:
I'm sure there is to some extent as long as the device has a newer qcom modem and supports Carrier Aggregation & VoLTE in theory this would work for it. But without having the device to test with I couldn't tell you how to do it. Your probably gonna b messing around with dialer codes that lead to engineering modes. Sorry wish my Pixel2 didn't run off last year I'd be a lot more help.:crying:
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I appreciate that you atleast answered. I do want a oneplus 6t but waiting for a good deal to buy it for.
Do you know anybody i can get help from?
Tmo here. I get better service without the VT
Last 2 test disabled vs previous 3 enabled vs previous 2 disabled
Thanks for the tip... Now to try by work... My first couple test scores
I'm also on T-Mobile and followed the guide. Definite improvement with download speeds, upload is still meh.
All 4 tests are done in the same location, the top 2 are the results after making the changes, and the result at the very top in orange (?) is single mode testing because I use AdGuard.
In case anyone is wondering why my Speedtest app looks different, it's because I use a smaller display size.
EDIT: Fixed screenshot upload, as AdGuard for some reason broke it.
Hey, why can't I activate VoLTE in the first step? The switch is grey and cannot be checked.
Did anyone try to check if VoLTE/VoWifi work after doing this? I have an unlocked Tmo variant but converted to OOS with active dual sim cards and I lost internet everytime while on a call. I was curious to try but did not work for me. I might be wrong but I think this trick might help ppl with single sim card or with other carriers like AT&T and Verizon from another forum here https://forum.xda-developers.com/oneplus-6t/help/att-verizon-volte-vowifi-calling-t3860031.
gigilie said:
This little trick will change your measly 1 bar signal to nearly max bars and give you a solid consistent signal in places you normally would hardly have a connection. At least it did for me.
This goes a bit beyond enabling VoLTE from your SIM Card Network settings which if you haven't done you should enable before trying this... Of course you may not have the same results I had. I found it works best from Stock ROM no root needed I'm currently on 9.0.12 but tried it on 9.0.11 and Beta 5.
Like any mod you should make a backup now and proceed with caution. (By caution I mean don't deviate from instructions goofing around in any engineering mode is never wise)
You should try check your internet speed now (Google internet speed! And take note of it then run the same test to see if your able to improve at all.
Step 1: Optional step but for best results open dialer and type: *#*#4636#*#* From this Testing Menu select Phone Information. Once in phone info select LTE/UMTS auto (prl) for preferred Network type. Then scroll down a bit and make sure VoLTE is switched on. Exit the phone info screen.
Step 2: Open Dialer again and type: *#800#
A Warning Message to Engineering Mode will popup. Press Enter.
Step 3: Click on the first option Called OnePlusLogKit
Once in the LogKit scroll down until you see the menu called: FunctionSwitch now click and select it.
Step 4: There's 3 checkboxes of interest in this menu... VoLTE Switch, VoWifi Switch and VT Switch. I enable all three but some may have better luck not enabling VT Switch. After enabling each option it'll try and reboot your phone just say no until you have all you want enabled.
Now reboot and profit.
If you notice anything negative or battery draining or your phone becomes even more radioactive simply go back into the menu and disable the Functions. If this helped you at all throw me a like. Enjoy.
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Wow!! Works like a charm!!!
Will this work with any operator, or t-mobile only? I'm from Argentina, here i have Claro and no VoLTE, VoWiFi and nothing like that.
Sent from my OnePlus6T using XDA Labs
On VZW I was on and have tested this previously, LTE/TD-SCDMA/UMTS as this was the default. It performed fine. I switched to LTE/UMTS, the signal/speed is basically identical.
Default bands are usually 13 with both primary and neighbor but sometimes switches to band 4 or vanishes as only a primary and no neighbor on both settings. So, obviously just telling the radio it can use TC-SCDMA even CDMALess makes no difference since my SIM and phone is provisioned by VZW to only use LTE/UMTS anyway.
So going from LTE/TC-SCDMA/UMTS to LTE/UMTS Auto (PRL) from the original doesn't really do anything for the tower it connects to for me personally or speeds.
Also, the other tweaks did nothing but make things slower in the other menu.
Error: "Connection problem or invalid MMI code" after dialing *#800#. any idea? tia
unlocked TMO OP6t, converted to Int'l OOS 0.0.12 Dual Sim
ysfk7 said:
Error: "Connection problem or invalid MMI code" after dialing *#800#. any idea? tia
unlocked TMO OP6t, converted to Int'l OOS 0.0.12 Dual Sim
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Use stock dialer. Google dialer doesn't work.