Question Poco F3 hang calls on 5G - Xiaomi Poco F3 / Xiaomi Mi 11X / Redmi K40

Hi everyone
I got my F3 back in April this year and every since.it was a problem. Using stock rom 12.5.6 some calls hang as soon as they are answered . Needless to say same SIM is fine in another phone. Did factory reset and even sent back for repair but no no luck. The only way to get it to work is to set preferred tech as 3G. 5G and LTE is no go.
Currently awaiting decision on refund. Wonder if anyone has similar experience.
Thanks

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calling issues

Hi, I'm looking for some help here with an issue my wife and I both have with our phones. My wife and I are the Proud owners of the Samsung Galaxy S2 phones UNROOTED. I have the Data plan and she does not. In the past 2 months or maybe since the begining of Sept. we both are haiving the same thing happen. When making or receiving calls (both in Wifi and T-mobile networks) we can't hear the person on the other end. We have to hang up and call them back (with success) on the cell or house phone. They let us know, they can hear us fine but we can't hear them.
This happens on all Landlines and Cell lines that we call or get call to our cell. I have contacted T-Mobile and they can't find anything on their end. I have done a Factory Reset on Mine and it still happens.
2 weeks ago, some weird things were happening to both our phones on the same day. with this being one of them. I plugged my phone into Samsung Kies and there was a Device Firmware update. So I updated to the ANDROID VERSION: 4.0.4 BASEBAND: T989UVLH1, and after update, I Reset phone to Factory Reset Settings and that seemed to help with alot of the freezing we had. But the phone call issues still happen.
I also have noticed, that now we periodically loose the Network connection. I can be sitting on the couch with a 100% Wifi coverage and not move an inch. I would dop my connection and the call and still have wifi coverage.I will also contact Samsung to see if it has something to do with any patches or updates. But for now, I am lost for ideas.
I was wondering if anyone else is having a similar issue or the same issue..or id anyone has a fix for this?
If it's happening to your landlines too, it's definitely an issue with T-Mobile and not your phones. You either got a noob customer service rep or a tech that didn't know what he/she was talking about. I would call again and speak with a technician, they should, at the very least, reset your service!
Bluntified said:
If it's happening to your landlines too, it's definitely an issue with T-Mobile and not your phones. You either got a noob customer service rep or a tech that didn't know what he/she was talking about. I would call again and speak with a technician, they should, at the very least, reset your service!
Click to expand...
Click to collapse
Thanks for your reply!
I have, since that post, gotten a new SIM card and although I only made and received a few calls, all of them were a success so far.But it is still too early to tell as this issue happens randomly. It also has been pointed out that there are others that have this similar issue and they are blaming it on the software. Which can be found here: http://androidforums.com/samsung-ga...hen-dialing-out-sometimes-not-connecting.html
I am hoping that is was my SIM card. But if it's not, and it does have to do with something with the OS Firmware version, I might consider Reverting backwards to the original ROM of SGH-T989_TMB_T989UVLDE 2.3.6. But for now, I will continue to test this SIM card out...
I'll keep you posted!

[Q] Can't get international data roaming to work

I just got my G3 and left the country. Voice and SMS work fine, but I can't get a data connetion while out of the country. It didn't work in either the UK or India.
I'm guessing there's some sort of APN issue and I have a call into TMO tech support. The original call was to do #RON#, but that didn't help.
When I swap my SIM to my trusty Nexus 5, data works, so it's something device specific.
I've read about needing to force IPv4 when roaming and I tried creating a new APN with only that changed. One thing I noticed that's different between my N5 and G3 is there is no APN setting for Roaming Protocol.
Any ideas?
Thanks!
did you enable roaming in the settings?
amosconf said:
did you enable roaming in the settings?
Click to expand...
Click to collapse
Yes. One interesting thing is that the data roaming setting seems to reset on every reboot.
I have the exact same problem. Lg g3 t mobile, been to Germany twice in last two weeks and no data. All settings on phone are correct. After many phone calls with tech support, found someone who said they seem to have growing pains with new devices and the more they get feedback and realize there is a phone specific problem they can go to lg . Very frustrating but hopefully gets ironed out soon. I also came from a nexus 5.
That's not too encouraging. I was hoping that I'd have data sometime on this trip so I can actually use my new phone! Since it's new and still in my return window, I'd like a solution before I go home to decide if I should return the phone. I travel internationally a lot and it's one of the reasons I shifted to T-mobile from AT&T.
Tech support has told me they will have some sort of reply within 72 hours so hopefully I'll head something by end of day Wednesday.
jrglasson said:
That's not too encouraging. I was hoping that I'd have data sometime on this trip so I can actually use my new phone! Since it's new and still in my return window, I'd like a solution before I go home to decide if I should return the phone. I travel internationally a lot and it's one of the reasons I shifted to T-mobile from AT&T.
Tech support has told me they will have some sort of reply within 72 hours so hopefully I'll head something by end of day Wednesday.
Click to expand...
Click to collapse
I agree totally !!! Unfortunately we are early adopters of this phone. Tech support told me flat out that it will not be fixed for me while on my trip. I travel internationally for work and not being able to use data for google navigation and train schedule apps has been very upsetting. I will post something here as soon as they get back to me as well.
I've been trying to troubleshoot the tethering and found some interesting things. Looks like in an effort to avoid people enabling tethering without using the pcweb apn, they have broken the international roaming.
I think the problem is that you cannot use an ipv4 only APN. I added a new APN which was an exact copy of the built in one (which you cannot edit) and if I change it to ipv4 only, I get no data (in the US). Data only works when setting it to ipv6 or ipv4/ipv6. I haven't tried to debug this, but I think this could be the problem since when roaming internationally I doubt ipv6 is supported.
I also travel often to Mexico, so this is a big drawback.
Same issue in Canada
I just spent about an hour on the phone with Tech Support. Very friendly, but alas, I have the same issue. A ticket was entered, and she said she would get back to me today. If the LG G3 can't go International, my local T-Mobile store is about to get my returned handset. I'll try something else, I suppose. Glad I found this out within the first week of having it, what with the 10 day return policy.
Of note, the tech support person mentioned to me that I had to create an IPv4 APN (otherwise identical to the existing fast.t-mobile.com APN, which is IPv6).
I also tried selecting IPv4/IPv6, but that didn't work either. Neither GSM nor WCDMA works.
My co-worker here is happily connected on his Samsung Note 3. Frustrating to have a newer phone with a better processor, just to have my boasting neutralized by no roaming. :crying:
If I get a resolution, other than returning home or getting a new phone, I'll post it.
I really hope this isn't the case. I'm deployed overseas right now and get service just fine on my N5. If I can't get data with my G3 when it gets here in a few days, I'm going to be pissed.
Thanks for all the ideas. It's nice to know that I'm not alone in this.
I still haven't heard back from T-mobile and it's at 72 hourse since I reported the issue. I'm on another flight tomorrow to the UK, so if I don't hear anything by the time I land, I'm going to give them another call.
If they can't get this to work or at least give me a timeline for resolution, I think I'm returning the phone and will wait for the N6 (if one exists). Hopefully I can get them to waive the $50 restocking on return since I'm returning it for not working reasons.
jrglasson said:
Thanks for all the ideas. It's nice to know that I'm not alone in this.
I still haven't heard back from T-mobile and it's at 72 hourse since I reported the issue. I'm on another flight tomorrow to the UK, so if I don't hear anything by the time I land, I'm going to give them another call.
If they can't get this to work or at least give me a timeline for resolution, I think I'm returning the phone and will wait for the N6 (if one exists). Hopefully I can get them to waive the $50 restocking on return since I'm returning it for not working reasons.
Click to expand...
Click to collapse
This is a pretty big bug, I can't believe no one tested this before launching the phone. I sold my N5 a day after I got the G3, so if I were to need my roaming while abroad I would be SOL too. Not sure if I want to return it yet, once we get a custom ROM I'm sure we'll be able to get around this.
If it were me, I'd trade out to a different phone before I left for the UK. Still within the 10 day return period, so there's no penalty, and so you have data abroad.
jrglasson said:
Thanks for all the ideas. It's nice to know that I'm not alone in this.
I still haven't heard back from T-mobile and it's at 72 hourse since I reported the issue. I'm on another flight tomorrow to the UK, so if I don't hear anything by the time I land, I'm going to give them another call.
If they can't get this to work or at least give me a timeline for resolution, I think I'm returning the phone and will wait for the N6 (if one exists). Hopefully I can get them to waive the $50 restocking on return since I'm returning it for not working reasons.
Click to expand...
Click to collapse
mattspammail said:
If it were me, I'd trade out to a different phone before I left for the UK. Still within the 10 day return period, so there's no penalty, and so you have data abroad.
Click to expand...
Click to collapse
I'm already in India, so it's not another trip. I'm home on Sunday evening, and Monday will still be within 10 day. I didn't really need a new phone, but what sold me on the G3 was the 3Gb of RAM and bigger battery. My N5 is sluggish and the battery doesn't last all day with all the software I have installed.
I wanted to post an update. I hadn't heard anything from TMO so I called them back to check on what's going on. I'm now in the UK and still have the problem (again). They really gave me the runaround this time saying that they needed to file a new ticket since my original ticket was filed for problems in India. They also told me that enginnering had responded that there were no roaming partners in India, which is just false. I kept mentioning that other people are having this issue in other countries and mt Nexus 5 worked just fine.
At the end of the call, they did file a new ticket and escalated to some other support team to resolve. I'm really not hopeful anything will happen before I return to the US. I told them I'm flying home on Sunday and that if I didn't have resolution, I would be returning the phone upon return.
If something happens in the next day (the timeframe I was told I would get a response), I'll post another update.
Guys use this apk offlune apn database
Sent from my GT-S5367 using xda app-developers app
musiklover said:
Guys use this apk offlune apn database
Sent from my GT-S5367 using xda app-developers app
Click to expand...
Click to collapse
That won't work for this issue. I have a TMO US SIM and my free international roaming isn't working. The phone is locked, so I can't get another SIM.
To all having this problem - I am having a similar, but different issue. I just purchased a brand new T-Mo USA G3 yesterday. I run it on a T-Mo MVNO (Roam Mobility) since I don't live in the US. Voice works fine, I can see I'm on the "Roam" LTE network (which is really just a T-Mo USA LTE network), but no data. Proper APN is inserted and the SIM gets LTE data in the same location on my Moto X.
In the meantime I unlocked the G3 fully, no change.
Finally tried changing the network to WCDMA / GSM only and...I have data.
No idea why T-Mobile is blocking LTE when not on T-Mo itself. Will try in Canada tomorrow but expecting same results as everyone else, but will be interesting to see if it runs on HSPA+.
I tried disabling LTE and creating a new APN with IPv4 and after about 15 minutes powered on, still no data. Then I tried WCDMA only and still no go.
Latest update:
Just got off the phone with support again. The engineering team came back saying this was a handset problem and there are no known issues. I just did a full reset under direction of the support guy and still nothing.
I'll be returning the phone next week when I return to the states.
The support guy also said he will be posting on the TMO message board for other people to post issues with roaming. When that comes up, please post so they understand this is a wide-spread issue.
Maybe I'll rebuy the phone after I know the issue is resolved or by then there might be something better...
Quick update - just arrived back in Canada, and pleasant surprise - full LTE data on Fido! Just had to manually add the APN.

Bootloop issues on 13B....Due to motherboard

As most of you know its an issue with phones with a serial of 505 and H/W Rev 1... Didn't know it would happen on Verizon or not... Well i can confirm it. Was browsing YouTube and it randomly froze. Now all it does it bootloop. Verizon was cool to deal with on the issue and didn't try to claim it wasn't a problem.
Surprised no one has asked or said anything...
That sucks. I got a 507 serial, so I hope I will be spared. But it will be difficult if you paid off the phone and are not associated with Verizon anymore. Then you have to mail the phone to LG, and I heard their repair service is pretty spotty.
Still under manufacturer warranty. I am thinking of buying out the phone and going to Googles project fi. Verizon is getting too expensive and big for their britches....
I have a 505 but I am still on he original firmware. I think it is the 10B. Is it the firmware version that causes the problems? I have delaying the update since I got the phone in November.
Sent from my VS986 using Tapatalk
wekurtz74 said:
I have a 505 but I am still on he original firmware. I think it is the 10B. Is it the firmware version that causes the problems? I have delaying the update since I got the phone in November.
Sent from my VS986 using Tapatalk
Click to expand...
Click to collapse
100% sure the answer is no - firmware has nothing to do with it. I had a 505 since the day it was released and I was still running 10B too when the dreaded bootloop issue hit my device a couple of weeks ago. I know others who were running upgraded firmware on Verizon and they got the bootloop issue too.
Yup i got the issue of it bootlooping. I got my replacement every time i do alot of thi gs on my first g4 it will freaze and reboot then a bootloop for a bit
Happened to me in Thursday night. Got my replacement today. I was on rooted 13B on 505
dman1049 said:
Still under manufacturer warranty. I am thinking of buying out the phone and going to Googles project fi. Verizon is getting too expensive and big for their britches....
Click to expand...
Click to collapse
I have been kickin around the idea of switching to project FI also because Verizon is so damn expensive. But I still have my unlimited plan with Verizon, also I am concern with poor coverage.
I also just got mine back from warranty repair this weekend,
The coverage is a little less abundant than Verizon. I noticed I've used less data since going to project Fi. I don't feel like I need to get my moneys worth out of my plan every month.
My Verizon LG G4 505x/v1.0 hardware "pre-order" hit the bootloop issue today. It started with a random reboot while I was going to lunch, another reboot a minute later, then 30 seconds of straight vibrating, then... dead. I've gotten it to show a battery symbol when plugging it in since then, and now it does the same bootloop everyone has mentioned. I've started a replacement via Best Buy's Geek Squad, otherwise I have to mail the phone out to LG, wait for them to assess it, then send me one back. It's already 5-7 days because they're backlogged... which makes me wonder if tons of these have started failing or if stock is just low because the V10 came out a while back.
Does anyone know if Best Buy or Verizon can connect (JTAG method?) to the old phone and extract data from internal storage when it's stuck like this?
LG g4 verizon stuck in bootloop. Pretty much the same thing, I was using an app and it froze and now is stuck.
After a few phone calls Verizon is replacing the device. It was painful though. I had to play dumb and act like I was doing everything "tech" support asked me to do. Even though I already tried everything.
Now the question is with my phone being rooted will they still replace it. Ive had to do a warranty replacement a couple years back and didnt have a problem. Ill update everyone.
This happened to mine about a month ago. I don't know what the serial number was on it, but I got it at Launch. My wife's G4 started having this problem on Friday and her serial number starts with 506. VZW is shipping another.
eastmesawhat said:
LG g4 verizon stuck in bootloop. Pretty much the same thing, I was using an app and it froze and now is stuck.
After a few phone calls Verizon is replacing the device. It was painful though. I had to play dumb and act like I was doing everything "tech" support asked me to do. Even though I already tried everything.
Now the question is with my phone being rooted will they still replace it. Ive had to do a warranty replacement a couple years back and didnt have a problem. Ill update everyone.
Click to expand...
Click to collapse
I sent mine back, it was rooted so we'll see if Verizon charges.
Temporary fix that might work for you guys
I decided to see if I can get my data off my phone using any means necessary and I do mean any means necessary. I was able to get my data off my phone by baking the motherboard. I've included a crappy YouTube video that I made in order to show you that it does work. Hope this helps people out that want to get their data off the phone before they throw it away.
youtu.be/MPDVynnH0zg

S9 - Problems with Calls?

Hi.
I've got my S9 a week ago and I'm quite disappointed with the problems I'm having when I make or receive phone calls.
I would say that easily 60 or 70% of those calls I had problems in the middle of them because I couldn't ear the other party, although I could be heard.
Does anyone had similares issues?
Any solution to solve them?
plantunes said:
Hi.
I've got my S9 a week ago and I'm quite disappointed with the problems I'm having when I make or receive phone calls.
I would say that easily 60 or 70% of those calls I had problems in the middle of them because I couldn't ear the other party, although I could be heard.
Does anyone had similares issues?
Any solution to solve them?
Click to expand...
Click to collapse
I have reports from 2 users who have calls that drop for 3-4 seconds and the reconnect on a regular basis. Vodafone UK. Tried new SIM but that has not fixed it.
No issues with TMo in Fl.
Same problem. Dual sim version. When on a call the line goes silent for 4 or 5 seconds! Using a Three and Vodafone sim in the UK.
No problems so far using it with TMO in Puerto Rico.
plantunes said:
Hi.
I've got my S9 a week ago and I'm quite disappointed with the problems I'm having when I make or receive phone calls.
I would say that easily 60 or 70% of those calls I had problems in the middle of them because I couldn't ear the other party, although I could be heard.
Does anyone had similares issues?
Any solution to solve them?
Click to expand...
Click to collapse
i think there is a network stability issue with my phone. i have to reboot it 4-5 times a day and my old zte zmax pro gets a better signal then my s9 and that dont seem right. something is preventing it from sending and receiving a good signal even tho i have 4 bars.
plantunes said:
Hi.
I've got my S9 a week ago and I'm quite disappointed with the problems I'm having when I make or receive phone calls.
I would say that easily 60 or 70% of those calls I had problems in the middle of them because I couldn't ear the other party, although I could be heard.
Does anyone had similares issues?
Any solution to solve them?
Click to expand...
Click to collapse
Report it to samsung the more that report the issue the sooner it should get fixed
On a portuguese forum, several people reported the same problem I have.
During a call, the phone stops transmitting any sound for the other party for about 10 seconds...
People listen to me perfectly during that time, but I cannot ear anything. After those seconds, the phone call gets normal...
It's driving me mad!
Can confirm the above comment, a ton of portuguese people are complaining about this
s9+ call issue
my s9+ have call issue during the call too . (dual sim)
Samsung S9 problems during calls
Had my S9 64GB since 3rd march in the UK on EE and I have the same problem with periods of silence during calls, it is driving me mad as well. I have done the contact us on the phone where you upload a system log as soon as the fault occurs but so far I have had nothing back from Samsung regarding this issue. I also had a problem initially with the fingerprint sensor where it kept locking out but since I disabled the fingerprint gestures on the phone that seems to work fine now for lock screen.
I think the problem was reported also on Pocketnow Daily.
PS: I don't have this problem.
Sent from my SM-G960F using Tapatalk
Same here with dual sim in Spain (tried with different sim from different companies).
Drop calls or simple silence
Got the Samsung galaxy s9 for the last 2 weeks intermittent problems with calls. When making calls for the first 20secs it just goes silent the other person can hear me but I cannot hear them. Sometimes this also happens mid call too, whereby after about 5 mins or so... It goes completely silent for 30secs and eventually either cuts me off or the call returns... Called Samsung UK not much help, obviously there is a fault somewhere , but for now Samsung are hiding.
Try to disable volte???
blackjackalmiaobo said:
Try to disable volte???
Click to expand...
Click to collapse
It’s nothing todo with volte as my handset didn’t have it enabled
Had the same problem with my S9 dual sim. Tried just using a single sim but problem persists. I contacted Samsung who were less than helpful. Denied they have any reports of this issue even though I told them about online forums reporting same issue. I have sent my phone back to Samsung who will send me a new replacement once they receive my phone back for inspection. I'm now worried that even a new S9 will have the exact same issue.
I'd rather Samsung just say they are aware of the issue and are working on a fix. It bugs me when they act like there's no issue. They wanted me to factory reset the phone to which I told them I'd only had the phone a week and spent a whole day setting.
Just gotta wait for the replacement phone now and hope they fix with a software update. They did offer a refund but I really want the phone (if I can make calls on it that is!)
The same issue with my 2 s9 plus phones. One sim version, Israel. Just hope that the problem is with soft and gonna be fixed with next update.
Today I went into a Samsung official suport centre and I was told exactly the same...they do not have any knowledge of problems regarding phone calls and S9.
They ran a series of tests concerning the phone's sensors and the test resulted that everything seemed OK.
But...it's not!
And I'm mad about this. Honestly I do not know if this is simply a software issue...
Ffs sake I've only used the phone for calls twice and both times the call just ended and I had to ring them back.

EVR-L29 on ATT in USA

So, just today, my Mate 20X stopped making or receiving calls. Looks like ATT shut down 3G calling. Anyone on ATT in the US find a way to continue using the EVR-L29? Anyone get anywhere with ATT tech support on this issue? I REALLY want to continue using this phone. If not, anyone know of a suitable alternative of the same size (7+ inch screen) that is VOLTE enabled with the proper bands for ATT? Don't want a folding phone. Anything else out there? Thanks!
steveyal said:
So, just today, my Mate 20X stopped making or receiving calls. Looks like ATT shut down 3G calling. Anyone on ATT in the US find a way to continue using the EVR-L29? Anyone get anywhere with ATT tech support on this issue? I REALLY want to continue using this phone. If not, anyone know of a suitable alternative of the same size (7+ inch screen) that is VOLTE enabled with the proper bands for ATT? Don't want a folding phone. Anything else out there? Thanks!
Click to expand...
Click to collapse
I have the same issue with my Mate 10 Pro. For the last few months I had to keep calling to keep my IMEI whitelisted. This might be the end of the line. I called ATT earlier and this time they said there was nothing they could do. They said the hard phase out started yesterday for non-voLTE. Data and text still work, just not voice. I'm hoping magically there's still a workaround, but I dunno anymore.
phone_home_42 said:
I have the same issue with my Mate 10 Pro. For the last few months I had to keep calling to keep my IMEI whitelisted. This might be the end of the line. I called ATT earlier and this time they said there was nothing they could do. They said the hard phase out started yesterday for non-voLTE. Data and text still work, just not voice. I'm hoping magically there's still a workaround, but I dunno anymore.
Click to expand...
Click to collapse
I hear ya. I'll let you know if I find any joy . They are sending me a new sim but a guy at the att store said it probably won't work. Wondering if there are Huawei phones that have VoLTE and USA bands this is the third time I've been squeeze out of a great phone due to tower upgrades. sucks
Good luck. I previously swapped sims with the ATT u304aa phone they gave me, and it didn't save me this week.
Problem solved!! Ditch ATT. Went to T Mobile after they sent me some stupid E sim card that wasn't even compatible with my device. They put in one of their sim cards into my phone and BOOM...just like that, my Mate 20X has VoLTE. Turns out ATT doesn't want to help people out.
steveyal said:
Problem solved!! Ditch ATT. Went to T Mobile after they sent me some stupid E sim card that wasn't even compatible with my device. They put in one of their sim cards into my phone and BOOM...just like that, my Mate 20X has VoLTE. Turns out ATT doesn't want to help people out.
Click to expand...
Click to collapse
Both tmo and att are corporate. But tmo is less corp and more people oriented than att.

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