Question Vivo x70 pro+ signal problem - Vivo X70 Pro+

I have 2 vivo pro+ phones and have changed from originOS to funtouchOS , all went well but there is a problem with one of them , the signal drops , sometimes i can have full signal but icant get any calls or sms , no way to call , sometimes the signal bar is out , restarting the phone but nothing happens, the other phone works with no problem , anyone that have or has the same problem or know how to fix this ?

enter *#*#4636#*#* and select phone info then play around with "set preferred network type"

Have tried it and does not work , only works when VoLTE is on

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[Q]3G only mode when selected, it is not working/no service

Hi,
I recently had a factory reset, since my Xiaomi MI 3W was not responding! I use wifi most of the time, I have activated 3G data pack from Airtel (Service Provider), MIUI version - MIUI 6.3.9.0 (KXDMIBL) | Stable , the problem that am facing now is, when I select 3G only under Preferred Network Type (Mobile Networks), usually I had selected 3G only before factory reset & it was working fine, but now when I select 3G only there is no signal/service(emergency calls only), when I select 2G only or Prefer 3G, I get the service/signal, but I am unable to browse 3G data! If anyone has a solution, please let me know, since I have no clue of the customer support in India/Bangalore.
Thanks
Lognathan
Hi, I am having the exact same problem. And I'm also on airtel. When I insert this sim into anyother phone the 3g is working in that phone. I have been using this phone from past 1 year and i didn't have any probs until now. And the worst part is the customer service centre and the service provider haven't got a clue apart from throwing the problem on each other rather than finding a solution!!
Naveen.
Lognathan said:
Hi,
I recently had a factory reset, since my Xiaomi MI 3W was not responding! I use wifi most of the time, I have activated 3G data pack from Airtel (Service Provider), MIUI version - MIUI 6.3.9.0 (KXDMIBL) | Stable , the problem that am facing now is, when I select 3G only under Preferred Network Type (Mobile Networks), usually I had selected 3G only before factory reset & it was working fine, but now when I select 3G only there is no signal/service(emergency calls only), when I select 2G only or Prefer 3G, I get the service/signal, but I am unable to browse 3G data! If anyone has a solution, please let me know, since I have no clue of the customer support in India/Bangalore.
Thanks
Lognathan
Click to expand...
Click to collapse
Hello. Were you able to resolve the issue?

LTE switching issue please help

Can someone help...
At&t samsung s6 , i m using here in Pakistan on waridtel network .. this network uses LTE band 3 for internet however 2g Edge for calling .. the issue is when i keep network mode to auto, the phone takes almost 20 to 25 sec lag to switch network from 4g to 2g .. but i can make a call ... but when someone calls on my mobile number call doesnt reach me, because my phone doesnt switch network. . The caller on the other end gets that my phone is switch off ... how can i fix this ?? I have factory reset it but didnt worked
Same issue here !! I've tried a million things and nothing seems to work. Only partial solution I've found (if you can call that a solution) is having the phone on always on 2g and going and changing to LTE when i want to use the internet :*(

Network Issue

I have a redmi 4x.
I am backed from cardinal aosp rom.
I am flashed miui 9 global stable rom by fastboot method.
Not working network search and 2g mode.
Please Help...
Pictures attached..
same problem here.. but little got a bit different
My XIAOMI REDMI 4X phone only can connect to 4G LTE and cannot find or receive 3G / 2G network signal.
Because of this problem i only can use one SIM at a time it coz when i use SIM1 for using mobile data, SIM2 will showing "No Network" this happen cause of SIM2 couldn't get 3G/2G network signal for its connection. Same issue if I switch SiM2 as my mobile data. SiM1 will be "No Network".
I really hope someone here could give me some solution to SOLVE this problem. also the SIM that i use to get mobile data it has problems that its cannot make out and receive any incoming call. Just regular Messaging are working.
another thing MMI short code also didn't work out it will pop-up with error msg like "cannot connect to server or no network connection" something like that.
This problem has haunted me more than a year and i still cannot get it fix. Need help because i am out of budget to buy new mobile phone .:crying::crying:

Xiaomi mi 9T Pro - Problems receiving calls while on 4G

Hello!
I hope someone can help me with this "little" problem that I'm experimenting with my Xiaomi mi 9T Pro running MIUI Global 10.3.3.0 (Stock) I checked everything before buying and the phone is fully compatible with my carrier (I'm from Venezuela), however, I noticed that when the phone is on 4G it switches to 3G/H/H+ in order to make/receive calls (which is pretty normal since my carrier does not support VoLTE). The problem comes when there is an incoming call, it should switch automatically to 3G/H/H+ BUT it does not happen all the time, in fact, I can say that it only happens 25% of the time when I was testing, of course, when it does not happen there is no way to receive the incoming call.
So far I tried:
- Forcing the phone to stay on 3G (everything works great)
- Testing the different network options (it switches from 4G to 3G but not always as it should)
- Switching from SIM slot 1 to slot 2
- At the moment the preferred network type is LTE/TD-SCDMA/UMTS (default)
Could it be a software issue? or could it be related to my carrier? I haven't tried using a SIM card from another carrier.
After all, I bought a PHONE that does not behave like an actual phone all the time, so, I hope someone can help me with this.
Thanks in advance.
Thank you, I almost thought I was the only one.
I bought my Xiaomi mi 9T Pro running MIUI Global 10.3.3.0 (Stock) a week ago and I have the same symptoms like you.
Im on A1 Network in Austria running default network settings and I realized after hours I couldn't make calls (and obviously did't receive any).
This is the first phone I had this network problems, and I am on A1 network for 20 years with different phones....
I hope someone can share some light why this happens and what are the best settings for European (Austrian) A1 network.
Trying to switch to LTE/UMTS, but that setting is always reset to the default above after reboot.
As its also my work phone it would be very bad not recognizing for hours that I'm not reachable...
Thank you !
A1 supports VoLTE, try to enable it on your phone, I have no issues running a dual SIM config with A1 and 3 .....
pietropizzi said:
Thank you, I almost thought I was the only one.
I bought my Xiaomi mi 9T Pro running MIUI Global 10.3.3.0 (Stock) a week ago and I have the same symptoms like you.
Im on A1 Network in Austria running default network settings and I realized after hours I couldn't make calls (and obviously did't receive any).
This is the first phone I had this network problems, and I am on A1 network for 20 years with different phones....
I hope someone can share some light why this happens and what are the best settings for European (Austrian) A1 network.
Trying to switch to LTE/UMTS, but that setting is always reset to the default above after reboot.
As its also my work phone it would be very bad not recognizing for hours that I'm not reachable...
Thank you !
Click to expand...
Click to collapse
Hi! It feels better knowing that I'm not alone.
The fact is that I can actually make calls (it take from 3 to 5 seconds switching from 4G to 3G/H), the problem comes when there is an incoming call, sometimes it works (it switches to 3G/H and when the call is ended, it switches back to 4G) but most it does not. I just tried LTE/UMTS and it does work but not for long, I can see that it happens and sometimes it does not. I found a "solution" which involves forcing to 3G/H but it's not the point, there should be a real solution. At this moment, I haven't found a correct network configuration, all the ones that I've tried just have worked for me for some time, and then the problem is back without even rebooting the phone. Could it be caused by a faulty SIM or it's just a network/carrier issue? I don't want to think that it's a hardware issue.
error23 said:
A1 supports VoLTE, try to enable it on your phone, I have no issues running a dual SIM config with A1 and 3 .....
Click to expand...
Click to collapse
Whats your ROM Version ?
I alreaddy tried to enable VoLTE, I can switch it on and the VoLTE Symbol appears.
The problem is - I have no caller ID. I don't even see the phone number when someone calls me ("unbekannter Anrufer" - "unknown caller")
That's not conveniant, so as soon as I switched OFF VoLTE caller recognition was enabled again.
Is VoWIFI working at you with A1 ? I can enable it but I don't get the symbot at home in my WIFI network.
So for now I see two options:
- the correct (stable) network configuration for Austria that persist in the phone configuration
- enabling VoLTE but with a solution for a working caller ID
I finally got found the solution
Problem is the notification settings.
This was somehow reset after the update to mui 11.
To fix the issue:
1. Go to settings
2. Click notification
3. Click the notification badges (3rd icon)
4. Find the "phone" icon
5. Enable the show notification
6. Exit to settings and test
Having same problem
Can someone help me I am from Malta and have Xiaomi mi9t pro and from last night stopped receiving calls and incoming . Tried with sim 1 and it worked but it happened again . I tried the notification settings but still the same problem .
I had trouble not receiving calls also...
After looking here, and also on YouTube, I started going through my phone again. I too was not getting my calls a lot, but I have only had my phone maybe 2 weeks, so there's not much on it yet. One thing I am always adding is themes. The theme feature is it's own pre installed app as I'm sure we've all seen. Different one's have been doing/blocking certain features at times on my phone. My husband's calls were being sent to voicemail, and some other important calls. I noticed the other day when I tried a new theme it locked me out of my phone with no preface to get back to the lock screen. I had to take a picture and select send to get back to the lock screen. Remembering this, I decided to go back to the original developer theme for the phone. My phone now rings. Original developer mode also controls the call feature, not just the theme, which I did not know or read until now. Going back to it I believe kind of reset my configuration. I would say give this a try for sure. Hope it helps someone else I love my phone and didn't want to lose it. FYI, I am on TMobile network in the USA.
Hi!
I have a very similar problem on a xiaomi redmi note 8t. I tried various settings, but failed. This is annoying because the phone is relatively new. I think it is a hardware problem.
Saulor said:
Hello!
I hope someone can help me with this "little" problem that I'm experimenting with my Xiaomi mi 9T Pro running MIUI Global 10.3.3.0 (Stock) I checked everything before buying and the phone is fully compatible with my carrier (I'm from Venezuela), however, I noticed that when the phone is on 4G it switches to 3G/H/H+ in order to make/receive calls (which is pretty normal since my carrier does not support VoLTE). The problem comes when there is an incoming call, it should switch automatically to 3G/H/H+ BUT it does not happen all the time, in fact, I can say that it only happens 25% of the time when I was testing, of course, when it does not happen there is no way to receive the incoming call.
So far I tried:
- Forcing the phone to stay on 3G (everything works great)
- Testing the different network options (it switches from 4G to 3G but not always as it should)
- Switching from SIM slot 1 to slot 2
- At the moment the preferred network type is LTE/TD-SCDMA/UMTS (default)
Could it be a software issue? or could it be related to my carrier? I haven't tried using a SIM card from another carrier.
After all, I bought a PHONE that does not behave like an actual phone all the time, so, I hope someone can help me with this.
Thanks in advance.
Click to expand...
Click to collapse
I have the same issue here in same phone but on EU MIUI 12.0.3.0 .. with the same symptoms u described .. i suspected in sim card and i replaced it with a new one and the issue still there .. did u find a solution for this issue?
I'm not sure if this is the same issue as what's described by OP, but it's somewhat similar (not receiving calls). Sometimes my colleagues will call me on Whatsapp and state that they're unable to reach me via the cellular network. This is what fixed it for me:
Settings - SIM cards & mobile networks - Select your sim card - turn off 'use volte (use volte to improve the quality of voice calls)'
scarmage said:
I'm not sure if this is the same issue as what's described by OP, but it's somewhat similar (not receiving calls). Sometimes my colleagues will call me on Whatsapp and state that they're unable to reach me via the cellular network. This is what fixed it for me:
Settings - SIM cards & mobile networks - Select your sim card - turn off 'use volte (use volte to improve the quality of voice calls)'
Click to expand...
Click to collapse
I tried this option and also not working the issue still there since 10 daysi also tried
Settings all specs then internal storage then sim 1 then change the setting to gsm only
After that the line working for 10 min and then again i can't receive calls or make ones
I have the same problem i have a redmi note 9 pro, i can't receive calls in 4G, i only can receive calls in Edge someone could resolve this? I tried all of these methods but nothing works

Question 5g and 4g issues

hi
I bought used oppo find X3 pro from ebay, the seller noted the sim 1 (imei 1) Blacklist in United Kingdom (will work if use in other's country's(im already check about the imei status and its clear) , when i tested the phone i noted its e have problem with 5g and 4g(the signal is active and deactivate every 5-10 seconds) and the mobile data not work but if i change the network mode to 3g and 2g its work perfect (the signal is stable and the mobile data is work)
i makes factory rest and the problem is still, i think the problem in 5g and 4g modem.
anyone have any idea how i can fix this problem

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