Database Info

Calling Problem (Airtel 4G)

[SOLVED] Can't make a call. It disconnects on its own while showing the message as that in the screenshot that I've attached.
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(On LTE). Doesn't work on 3G as well. On 2G, it's fine. But I'm not satisfied.
Current ROM- CM13.0 Unofficial by sultanxda.
But this problem has been there on every ROM I've tried. This problem was not there when I was using a 3G SIM. I've tried switching 4G SIMs but the problem persists. Please help! I want to use LTE and make calls together without changing the settings each time. The signals remain there the rest of the time but it gets disconnected as soon as I make a call. FUN FACT- SMSs work fine. Note- This isn't a ROM problem. I've called the technical support but they just don't know how to handle ****. This is very disappointing.
I'm using an Airtel SIM (India)
Thanks!
Sent from my A0001

Where in India? I use Airtel 4G and never experienced this issue.
BTW, I am from Bangalore.

Shankar9822 said:
Where in India? I use Airtel 4G and never experienced this issue.
BTW, I am from Bangalore.
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In Faridabad (NCR). I just don't know what's wrong. I've tried almost everything.
Sent from my A0001

Airtel doesn't support voice over LTE. But your network should be automatically switching to 2g when a call is made and then back to 4g after the call. There will be no data access during the call except for WiFi.

rappa619 said:
Airtel doesn't support voice over LTE. But your network should be automatically switching to 2g when a call is made and then back to 4g after the call. There will be no data access during the call except for WiFi.
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What about that dialog box in the screenshot?
Sent from my A0001

Try going to a place with a good signal and doing a network scan and select airtel manually instead of automatic.

There's a tower right next to my place, so I always have full connectivity. And I've already tried selecting Airtel. The problem still persists.
Sent from my A0001

If you know how to flash custom baseband/modems, maybe you can see if a different one can fix the problem.
If that doesn't work, then a factory reset is the last resort.

Nope, tried that as well. I perform factory reset every now and then.
Sent from my A0001

Well, I forgot to mention that the issue got resolved automatically after a few days. I don't know what actually fixed it. Maybe jgcaap's ROM, or a complete wipe. But it was fixed. Weird issue.

Mate 8 NXT-AL10 Force 3g-only Option in Network

Hi this is my first post here,
I would like to tnx Huawei for the most fantastic phone I ever used compared with Samsung Note 4, Sony xperia Z3, etc .., the device is very fast, amazing battery, fabulous speaker sound, and very fast fingerprint, the device is full of features that I nver met it before ,
my question is how to force this device to use 3g only in network mode ??, there is only (auto2g-3g) and when the 3g signal got weak the device is changes the mode to 2g automatically inspite of the availability of the 3g, that option is available in all 13 cellphone I use before but not available here , how can I solve this ? is there in trick to force the device to use 3g and not change the mode to 2g even if the signal is weak ??
thanks for help

Settings - More - Mobile network - Preferred network type
There's a 3G only option.

no in NXT-AL10 Chinese Golen version not available
No dear, that option is not available
dropbox.com/s/9r1c5s2hrg3krau/Screenshot_2016-06-11-14-31-21.png?dl=0
I think u r using internatioan ROM.

Please someone help me. I need to force this device to use 3g only.
*#*#4636#*#* is disabled on NXT-AL10 :crying:
Any help will be greatly appreciated!

jippone22 said:
Please someone help me. I need to force this device to use 3g only.
*#*#4636#*#* is disabled on NXT-AL10 :crying:
Any help will be greatly appreciated!
Click to expand...
Click to collapse
same problem ...

same problem

mojtabanow said:
Hi this is my first post here,
I would like to tnx Huawei for the most fantastic phone I ever used compared with Samsung Note 4, Sony xperia Z3, etc .., the device is very fast, amazing battery, fabulous speaker sound, and very fast fingerprint, the device is full of features that I nver met it before ,
my question is how to force this device to use 3g only in network mode ??, there is only (auto2g-3g) and when the 3g signal got weak the device is changes the mode to 2g automatically inspite of the availability of the 3g, that option is available in all 13 cellphone I use before but not available here , how can I solve this ? is there in trick to force the device to use 3g and not change the mode to 2g even if the signal is weak ??
thanks for help
Click to expand...
Click to collapse
What about your phone model?
NXT-L09, NXT-L29, NXT-AL10, NXT-CL00, NXT-DL00 or NXT-TL00
Mentioned on back of your phone like this image:
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OnePlus 7 and VoLTE/Wifi-Calling

You got any issue with VoLTE or Wifi-Calling?

I had this problem. Oddly what solved it was removing the sim and factory reseting then putting the sim back in. Volte finally worked after that. Seems like a bug in OxygenOS

No Wifi-Calling?

WiFi calling works without issue

LandLockedPH said:
WiFi calling works without issue
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Any particular app to use for WiFi calling??
Sent from my [device_name] using XDA-Developers Legacy app

humayunarshad said:
Any particular app to use for WiFi calling??
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Click to collapse
no u just switch it on an wwn u are near a wifi it will make call from that an recived sms an mms

-fluffy- said:
no u just switch it on an wwn u are near a wifi it will make call from that an recived sms an mms
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Click to collapse
How to switch?
Can you let me know please?

ambuj22263 said:
How to switch?
Can you let me know please?
Click to expand...
Click to collapse
what do u mean switch
u just actived it under settings/network/simcard provider
then u can set it to use volte or vowifi
as standart

You guys have stable Wifi-Calling connection?

Yes. I've had no issues with T-Mobile WiFi calling. Works fine.

@LandLockedPH T-Mobile US??

Quick update...
I went ahead and pulled the trigger on the OP7 (non-Pro).
I'm using a T-Mobile SIM (Sim 1) and AT&T SIM (Sim 2).
I can confirm that I"m getting VOLTE on both SIM's and VOWiFi on the T-Mobile SIM.
Really happy with the device!

I know not band 71 but how about 66?

Vowifi doesn't work on vzw

Does firmware for gm1905 exist? I'm thinking this also opens bands 66 and 71.
Sent from my SM-G975U using Tapatalk

I don't think however carrier aggregation works with the op7 and TMobile USA.
I ran a few ookla speed tests compared to my s10+ using mobile data only. Long story short the S10 would average download at approx 90mbps and the OP7 around 35mpbs.
The only way I could get the S10+ to attain similar figures to the OP7 was for me to disable LTE bands 2, 12 and 66 . In essence making it just use just band 4. Then the download speeds were similar.
On side a side note, having wifi calling enabled slowed the tests results further as you can see by the lower earlier results. Attached screen shot.
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Sent from my GM1900 using Tapatalk

LandLockedPH said:
Yes. I've had no issues with T-Mobile WiFi calling. Works fine.
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It would have been nice if there was a clear indicator that one was making a wifi calling is ready. Due to the notch I have disabled a few status bar icons including viofa and Volte. When placing a wifi call I have swipe down to check it it's wifi calling or not lolz
Sent from my GM1900 using Tapatalk

WiFi - turn off auto connection to open networks?

Hi.
Had my Poco F2 Pro for a week or so now but I cannot find the option to disable the wifi from auto-connecting to open networks in MIUI 12.
So, as I'm walking along I'm bombarded by notifications "You are connected to The Cloud", "You are connected to XYZ" etc and I'm repeatedly losing my 4G connection as it's switching to these wifi networks.
I had the same issue with my previous phone, a Umidigi F1 Play, running close to stock Android 9 - but there's an option in the wifi settings to turn it off, as there is on the other 2 even older phones.
Anyone know how to disable this auto-connection? It will drive me mad as the only way to stop it is to manually turn off wifi whenever I leave the house, which is obviously crazy and pretty much a showstopper issue for me.
Thanks!

I'm having the same question... Anyone?

jazzh said:
I'm having the same question... Anyone?
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Which rom?

NOSS8 said:
Which rom?
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Miui 12.5.6.0 on mi 11 lite 5g.

jazzh said:
Miui 12.5.6.0 on mi 11 lite 5g.
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Difficult to answer because the thread concerns the Poco f2. But this option now exists on the Poco f2. Settings-> Wifi settings-> Wifi assistant

No, there's no such option under assistant.

jazzh said:
No, there's no such option under assistant.
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Buy a Poco F2
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Has the problem been resolved? I sometimes wonder what the Xiaomi developers think when they disable essential security features.

flel said:
Has the problem been resolved? I sometimes wonder what the Xiaomi developers think when they disable essential security features.
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This is not a problem just an option that no longer exists or not on your rom.

Very well. Is there a workaround?

Change rom.

[Mi 10/Pro] MI 10 Ultra Problem: Couldn't unlock using SIM PIN

Hi all,
I have a problem with my mi 10 ultra.
I can't unlock using my sim pin. As you can see in the photo. I have tried multiple sim cards in the MI 10 Ultra. Not one worked. It happened yesterday, before that it worked perfectly. I can fill in my sim code but I can't press on the check mark.
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I have tried my sim card in other phones and there does the sim card works.
I have tried factory reset and wiped all my data. It still doesn't work. I've both tried EU rom + Global rom.
You guys think it's a hardware error?
I'm from the Netherlands btw. Using Tele2 as provider.
Thanks in advance

Exactly same issue as me ! Have you tried removing your PIN with another phone.
On top of this , I have network disconnect every 10sec , the phone is not useable
Please try to remove the PIN with another phone and let me know
( My phone also used to work flawlessly for 2/3 weeks and it happened suddenly )

Alex3nder said:
Exactly same issue as me ! Have you tried removing your PIN with another phone.
On top of this , I have network disconnect every 10sec , the phone is not useable
Please try to remove the PIN with another phone and let me know
( My phone also used to work flawlessly for 2/3 weeks and it happened suddenly )
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Yeah I've tried that. Unfortunatly the same issue. It's really frustrating. The phone itself is perfect only it isn't useable right now... Don't know what to do atm.

I suspect hardware issue .... can't see why a software would do that and SIM related issues ...........
I've tried every possible ROM , every possible format , reinstall , flash etc........
TradingShenzhen asked me to ship the phone back to a guy in Germany. Lets see how it turns out

Alex3nder said:
I suspect hardware issue .... can't see why a software would do that and SIM related issues ...........
I've tried every possible ROM , every possible format , reinstall , flash etc........
TradingShenzhen asked me to ship the phone back to a guy in Germany. Lets see how it turns out
Click to expand...
Click to collapse
Yeah, it's sh*t. Okay, I'm also in contact with seller (cect-shop). Keep me informend please. I really like this phone, as long as it works