Database Develop

[Q] HTC S710E 3G Network problem

Hi,
I never test with 3G SM before with my phone.
I have changed my Vodafone plan to 3G and started using it.The SIM is working fine with 3G in my old mobile (Sony Ercsson).
When I put the SIM i my HTC it is not detecting 3G Network.If I choose GSM/WCDMA it is selecting the 2G Network and for WCDMA Only option
it is not showing any network.
Please note I am having the HTC mobile fro HTC Hongkong and now using the same in India.
Operator: Vodafone
Activity Performed:
Restart the phone and put off the battery multiple time
Factory Reset
Use another 3G SIM which is also workng in my old phone
Toggling between flight mode and WCDMA.
Results:
Just received the 3G network twice and it was sustained for 20 minutes and so.
Please note I am having good 3G Coverage in my locality and with my old phoe it always come full signal.

It happens some time
I have to disable / enable 3G to make it works.

Dionys11 said:
It happens some time
I have to disable / enable 3G to make it works.
Click to expand...
Click to collapse
As I mentioned I has tried that multiple time.bt not.working...htc service cen
ter is saying that thay stop providing services for this model.seems to be some
hardware issue as sometime it is detecting.

tanmoy.dey.87 said:
As I mentioned I has tried that multiple time.bt not.working...htc service cen
ter is saying that thay stop providing services for this model.seems to be some
hardware issue as sometime it is detecting.
Click to expand...
Click to collapse
thought it was due to the kitkat rom .....

Even I am facing the Same issue!!!
Not able to connect 3g and h... Please provide any solution for this!!!

VoLTE not working

even though after enabling volte settings in my mobile jio sim is not supporting volte calls ,,,,as soon as i call with jio sim it instantly breaks the call,,,,,,volte is also not showing in the top of the screen
any idea,,,,,need help

any suggestions?????????????????????????????

Only Jio or other sims as well?

found solution my self
doing resetore factory settting did the trick

I would like to say I found this that jio Sim is not working in Sim slot 1 but working in Sim slot 2 so if any one facing any issue they may try this

Voice call on VoLTE on working - Vodafone
I am having this issue with Vodafone 4G SIM. Phone auto selects VoLTE network sometimes.
I make a voice call, I get a HD symbol but the quality of the call is pathetic.
There is a constant chopper sound in the background. I always have to disconnect the call and try after some time.
Vodafone says the issue is with the MI phone instrument / software.
Can anyone confirm whether this is a ROM issue or the hardware issue?
how does it get resolved? any idea?

ShrekSTM said:
I am having this issue with Vodafone 4G SIM. Phone auto selects VoLTE network sometimes.
I make a voice call, I get a HD symbol but the quality of the call is pathetic.
There is a constant chopper sound in the background. I always have to disconnect the call and try after some time.
Vodafone says the issue is with the MI phone instrument / software.
Can anyone confirm whether this is a ROM issue or the hardware issue?
how does it get resolved? any idea?
Click to expand...
Click to collapse
Nope. That's Vodafone. They're liars. I switched to Jio and it's all good.

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

When I'm on WiFi, I can't receive calls

Hello, I've only just finally figured out that while my unlocked pixel 4 xl connected to wifi, i cant receive calls, I can receive while i am using the phone with WIFI, but once i leave the phone go to sleep and connected to wifi, then my phone can not receive the calls and unreachable.
I have tried to change the network mode to 3G while i am connected to wifi, and it seems solved the issue.
While i am not connected to wifi (LTE) i have no issues at all.
I have unlocked Pixel 4 XL with Jan update (latest build) rooted through Madisk, stock kernals and everything
is there any solution to this? I've searched through forums and this subreddit but have yet to find an answer. Any help would be appreciated.

Maybe try turning off wifi calling if it's enabled?
Sent from my Pixel 4 XL using Tapatalk

Adnansaeedhamed said:
Hello, I've only just finally figured out that while my unlocked pixel 4 xl connected to wifi, i cant receive calls, I can receive while i am using the phone with WIFI, but once i leave the phone go to sleep and connected to wifi, then my phone can not receive the calls and unreachable.
I have tried to change the network mode to 3G while i am connected to wifi, and it seems solved the issue.
While i am not connected to wifi (LTE) i have no issues at all.
I have unlocked Pixel 4 XL with Jan update (latest build) rooted through Madisk, stock kernals and everything
is there any solution to this? I've searched through forums and this subreddit but have yet to find an answer. Any help would be appreciated.
Click to expand...
Click to collapse
Sounds like your phone is trying to make a call over Wi-Fi but your carrier (or SIM) may not support Wi-Fi calling. Where are you located and which carrier? Using the dialer, use the following code to check your provisioned status: *#*#4636#*#* If Wi-Fi calling is toggled OFF and you cannot change the setting (grayed our) then it will not work. Ask your carrier directly if they support it.

I have tested more to find out where the issue is happening, i connected to other wifis , and the issue was not reported, the issue the only in my apartment, and only when i am connected to lte, on 3g no issue, and once i leave my apartment, i can receive calls on lte normal, this strange, i was having the original pixel with no issues such, and my wife having iPhone and doesn't have this issue,i have tried her sim card (from the same provider) and the same issue
Now when i go home, i have to switch the network mode to 3g to be able to receive calls, otherwise it will show out of coverage.
I spoke with network provider, and they told this issue we with the phone, and its ture, since inwas using the same network in my original pixel, and the issue was never happened
Please help to advise.
Thanks

Adnansaeedhamed said:
I have tested more to find out where the issue is happening, i connected to other wifis , and the issue was not reported, the issue the only in my apartment, and only when i am connected to lte, on 3g no issue, and once i leave my apartment, i can receive calls on lte normal, this strange, i was having the original pixel with no issues such, and my wife having iPhone and doesn't have this issue,i have tried her sim card (from the same provider) and the same issue
Now when i go home, i have to switch the network mode to 3g to be able to receive calls, otherwise it will show out of coverage.
I spoke with network provider, and they told this issue we with the phone, and its ture, since inwas using the same network in my original pixel, and the issue was never happened
Please help to advise.
Thanks
Click to expand...
Click to collapse
Turn off wifi calling on your phone. I had a similar problem with my unlocked pixel 4xl on Verizon and that solved the problem

I don't have wifi calling option enabled under mobile settings, my operator doesn't support wifi calling.

Adnansaeedhamed said:
I don't have wifi calling option enabled under mobile settings, my operator doesn't support wifi calling.
Click to expand...
Click to collapse
What is the provisioning status of Wi-Fi calling in the phone diagnostic menu ( *#*#4636#*#* ). Is the toggle on or off? Is it grayed out?

Its grayed out and toggled off

Adnansaeedhamed said:
Its grayed out and toggled off
Click to expand...
Click to collapse
What country do you live in, and which carrier do you use?
I would do a network reset in settings under the reset menu. If that doesn't work, backup and do a FDR from recovery.

v12xke said:
What is the provisioning status of Wi-Fi calling in the phone diagnostic menu ( *#*#4636#*#* ). Is the toggle on or off? Is it grayed out?
Click to expand...
Click to collapse
In my case, it's on and greyed out.
I am using unlocked Xiaomi Mi A2 running on RROS v8.5.6.

Question Big issue, No Data during a call.

So One thing I discovered on this new phone of mine is that although working perfectly there is a major flaw in the way Internet data works during a phone call.
Any time you make a call, the phone downgrades the active signal from 5G/4G to H or E ( GSM).
Which in turns cuts off the data.
If I force 5G or 4G, then the phone call cannot be made. It just disconnects.
I have tried all settings, Volte enable/disable with no joy.
Some have said it's a carrier limitation, but it's not, cause in my iPhone, the very same simcard works just fine and the Internet is usable during a call.
Also tried with dual Simcard setup. As in the settings, the phone allows to use one simcard for data and one for call. Still not working.
Can someone please tell me if there is a solution please, or can you try your phone while on the call to see if Internet works as this feature is detrimental to me keeping the phone. If this doesn't work I will be selling the phone and getting a realme replacement.. Xiaomis sometimes suck with their non existent support.
Thanks

Evo400 said:
So One thing I discovered on this new phone of mine is that although working perfectly there is a major flaw in the way Internet data works during a phone call.
Any time you make a call, the phone downgrades the active signal from 5G/4G to H or E ( GSM).
Which in turns cuts off the data.
If I force 5G or 4G, then the phone call cannot be made. It just disconnects.
I have tried all settings, Volte enable/disable with no joy.
Some have said it's a carrier limitation, but it's not, cause in my iPhone, the very same simcard works just fine and the Internet is usable during a call.
Also tried with dual Simcard setup. As in the settings, the phone allows to use one simcard for data and one for call. Still not working.
Can someone please tell me if there is a solution please, or can you try your phone while on the call to see if Internet works as this feature is detrimental to me keeping the phone. If this doesn't work I will be selling the phone and getting a realme replacement.. Xiaomis sometimes suck with their non existent support.
Thanks
Click to expand...
Click to collapse
This comes from the operator who has not yet communicated with Xiaomi.
Same case with 2 operators on the same phone.
What version of rom?

NOSS8 said:
This comes from the operator who has not yet communicated with Xiaomi.
Same case with 2 operators on the same phone.
What version of rom?
Click to expand...
Click to collapse
Global ROM 13.0.4
I can't see an operator fault if they have Volte services enabled and this simcard works flawlessly on other android systems.
As a matter of fact, any SimCard i have tried, so far 3 providers and the phone does the same thing. As soonest the call is made it downgrades the signal to H while full 5G or 4G is available??

Evo400 said:
Global ROM 13.0.4
I can't see an operator fault if they have Volte services enabled and this simcard works flawlessly on other android systems.
As a matter of fact, any SimCard i have tried, so far 3 providers and the phone does the same thing. As soonest the call is made it downgrades the signal to H while full 5G or 4G is available??
Click to expand...
Click to collapse
the operator must provide the necessary information for each brand and phone to activate Volte and Wowifi.
On my 11t pro everything works with SFR and nothing with FREE because Free has not yet transmitted the information necessary to activate the services.

So went to see the operator. They sell Xiaomi phones. 3 network ( Three EU)
The phones in the stores are working just fine, no issues at all. And my phone simply just isnt.I have tried every possible setting and still not working.
See the screenshot below. As I'm typing this I'm on a super fast full signal 5G connection. As soon as I make a phone call, the phone will downgrade to E or H+ which is horrible. This network signal switching is also laggy, and If 2g signal is poor I cannot even make a call.

Evo400 said:
So went to see the operator. They sell Xiaomi phones. 3 network ( Three EU)
The phones in the stores are working just fine, no issues at all. And my phone simply just isnt.I have tried every possible setting and still not working.
See the screenshot below. As I'm typing this I'm on a super fast full signal 5G connection. As soon as I make a phone call, the phone will downgrade to E or H+ which is horrible. This network signal switching is also laggy, and If 2g signal is poor I cannot even make a call.
Click to expand...
Click to collapse
Does the "Use VoLTE" switch appear in the SIM card settings?
If not you can try the Dialer Code *#*#869434#*#*. That only will make this switch appear, but sometimes this is enough. It should also show the little VoLTE-Badge next to the signal strength (see screenshot).

Deleted

I just had another look and on your 1st post it says the SIM is named "3 IRL", as far as I know Three Ireland does not offer VoLTE at all.
So it will always drop to 3G/H+ or 2G/E ... on every phone.

mici01 said:
I just had another look and on your 1st post it says the SIM is named "3 IRL", as far as I know Three Ireland does not offer VoLTE at all.
So it will always drop to 3G/H+ or 2G/E ... on every phone.
Click to expand...
Click to collapse
5G connection should support this naturally. If I put this simcard Into an iPhone or Galaxy the 5G connection stays on regardless.
Anyway even with Vodafone this doesn't work,so I'm thinking it either a phone limitation or a phone is fooked

Evo400 said:
5G connection should support this naturally. If I put this simcard Into an iPhone or Galaxy the 5G connection stays on regardless.
Anyway even with Vodafone this doesn't work,so I'm thinking it either a phone limitation or a phone is fooked
Click to expand...
Click to collapse
No, for VoNR your phone still needs the same configs as with VoLTE. Though only a few operators support VoNR as of now.