Question MOBILE DATA PROBLEM - Xiaomi Mi 11 Lite 4G

Hi guys. can anyone help me with my phone. been 2 days now i cannot use lte connection. i tried resetting network still the same. i even factory reset the phone still the same. i can use 3g but not lte. whenever i use it always says check connection. also when i locked my phone the data lost connection even if turn off mobile data when screen lock is put to never pls help.

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[Q] DATA connectivity problem with ARC

hi people
i'm noticing a problem with my data/edge/3g connection.
it simply stops working at times .. it just shows data being sent but no data received and my internet doesnt work.
This becomes fine after a reboot but again has a problem after a few hours
Is anyone else facing this problem too with Data connectivity ?
Yes, same problem with my german arc.
I am not facing any problem with data connectivity
same problems here, I found that stopping the WIFI and re enabling it is enough to get it back on track but its still a serious issue.
I don't like finding out I am missing e-mails an hour too late.
I only found it happens when I switch from 2G to 3G with data on.
So my work around is to turn data off first before switching between 2G <-> 3G. After that, turn back the data on.
This only happens to me on WIFI, on 3g everything is fine.
I am thinking about flashing the UK build to see if it helps.
I used to have the same problem with my x10. Data just stopped working randomly. I used to have a widget to turn 3g on/off and when the data stopped working, so did the widget. Was strange, and only a reboot solved it.
I have wifi problems,it sleeps after a while,no sleep is selectet.
Sent from my LT15i using XDA App
i have wifi problem, at first it disconnects by itself and now much worse, my arc could not even identify or scan my wifi at home. Anyone also have this issue? or anyone know what to do.
One time i had this issue,i had just turn wifi off then on.
Sent from my LT15i using XDA App
death.eater said:
i have wifi problem, at first it disconnects by itself and now much worse, my arc could not even identify or scan my wifi at home. Anyone also have this issue? or anyone know what to do.
Click to expand...
Click to collapse
same here. wifi works fine. til awhile later (evactly how long i didn't notice. will keep track)
After which no matter how i turn off & on wifi, forget the network & re-enter p/w. even off & on my phone. wifi status "connecting.... disconnected....connecting.... disconnected." will drains off a lot of battery if go unnotice.
i found a cumbersome work around... off the arc wifi & reboot modem/router. then can "obtaining ip address". but thing is, all other devices works fine.
so is it arc's fault? since all others can connect to wifi except arc
or
router's fault? i wasn't doing / changing setting on the arc. just reboot router. but wouldn't it be silly to do this everytime i use wifi on the arc?
so still no fix? sometimes it happens to me a few times during an hour...
Guys maybe this will help you out..
Go to wifi settings, press menu button->select advanced->under wifi sleep policy, set as never sleep
If not set the wifi shuts down to save battery.
And wifi is given more priority over 3g or 2g connectivity, so if you have wifi on you may not have proper connectivity to 2g or 3g
Turn on/off airplane mode, if you can't get a data connection. In a german forum some guys discussed about issues with multi-sim-cards, but I guess it is software related.
karthik.chopper said:
Guys maybe this will help you out..
Go to wifi settings, press menu button->select advanced->under wifi sleep policy, set as never sleep
If not set the wifi shuts down to save battery.
And wifi is given more priority over 3g or 2g connectivity, so if you have wifi on you may not have proper connectivity to 2g or 3g
Click to expand...
Click to collapse
Thanks for the tip, I did not know about the menu, but I already had it set to never through "Spare parts"
Every time im browser or facebook ,its sleep,on x10i is never happent.
Sent from my LT15i using XDA App
i changed my number and sim a couple of days back. with the same provider. my arc after being out of signal cant reconnect to the data network. the phone calls work fine. but the data is giving me problems. im still confused as to why this is happening. whenever i activate and deactivate the airplane mode, data connection comes back alive. could it be a problem with my sim or the phone radio?
edit: oh and i also reflashed my phone via sony ericsson update service, the problems still there.
jakhan86 said:
i changed my number and sim a couple of days back. with the same provider. my arc after being out of signal cant reconnect to the data network. the phone calls work fine. but the data is giving me problems. im still confused as to why this is happening. whenever i activate and deactivate the airplane mode, data connection comes back alive. could it be a problem with my sim or the phone radio?
edit: oh and i also reflashed my phone via sony ericsson update service, the problems still there.
Click to expand...
Click to collapse
Same problem here. This is really frustrating.
I dialed *#*#4636#*#* then phone info and pressed menu. Then I selected enable data connection (was disabled previously). The data didnt enable then. I went to settings>mobile network and enabled data from there too. Ever since, no disconnections. I dont know if this procedure or the fact that I tried to seat my sim properly worked, but u may try either. Let me know if this works....
Edit2: the above doesnt work.
Sent from my LT15i using XDA App
I inserted my old fat sim and recreated the situation, the data automatically reconnected. The newer sim that's a microsim is causing the problem.
Sent from Xperia Arc

[Q] No DATA connection or 3G access....

Hi,
I just woke up "Today" 7:05 am Central time., Houston area...., When I'm about to check my phone, data connection is not available nor the 3G sign or EVO or 1x .... I got full bars. pls. help. the only way i can access the internet is thru WiFi . at this moment..
Make sure Mobile Network is actually turned on and try turning off wifi then checking it again.
hatyrei said:
Hi,
I just woke up "Today" 7:05 am Central time., Houston area...., When I'm about to check my phone, data connection is not available nor the 3G sign or EVO or 1x .... I got full bars. pls. help. the only way i can access the internet is thru WiFi . at this moment..
Click to expand...
Click to collapse
You might need an ESN reset. If you can, activate your line on another verizon smartphone, then reactivate the problem phone. This has worked for a lot of users. If you can't verizon support can do it on the phone.
thank you.,
its working again.....
Glad you got it working. What exactly was the problem? or did it just fix itself?

Can't connect to internet via WiFi while Cellular Data is on..

This is really strange.. If my Omnia 7's cellular data is on and WiFi is also on I can't use internet but it's always showing 3G+ so it's downloading something.. If I turn off cellular everything works well, and the same if I just turn off WiFi.. But my phone is using tons of data because it's always downloading something I think..
Any ideas.. I have interop unlock and Internet Sharing hacked..
This has been like this forever.... If i use my wifi at home, i shut down my 3g connection on the phone. More of a force of habit now to be honest. But it is 100% annoying.
I haven't found a solution since this was brought up months ago. Anybody?
I'm thinking of hard reset.. But would suck if it stayed the same after all the work.. :S
I've been holding back on a hard reset for a while.... If you do a hard reset, you'd might as well follow steps to unlock your phone no?

Lose Mobile Data Access

Hello, Is anyone else having issues where mobile data will just stop working?
IE its enabled, working, 4g icon(what a joke!) shows up. then time passes, no 4g icon, Mobile still enabled, no internet access.
to get it working again, I have to either
A) reboot the phone
B) turn off mobile data, turn on Airplane mode, then off airplane mode, and before the cell looks for networks, turn mobile data back on. Ive had this problem on and off for a while now, and my mom just got one and she's having the same issues (albeit not as often as mine) I rooted mine, but her's is stock.
any ideas what could be causing this?
TIA

Loss of mobile data

One thing I have noticed recently is that when my phone is connected to wifi and then disconnects (because I leave my house, for instance), the phone will switch to mobile data, but the data will not work, ie I don't see any data going up or down. This will be even when it clearly shows 4G on the phone and shows full bars.
Turning the mobile data off and on in the quick settings seems to then restore data connectivity, but it's very irritating to pull out my phone in the car and try to pull up Google Maps to no avail.
Anyone else experienced this problem? Is there a permanent fix for it?
Aganar said:
One thing I have noticed recently is that when my phone is connected to wifi and then disconnects (because I leave my house, for instance), the phone will switch to mobile data, but the data will not work, ie I don't see any data going up or down. This will be even when it clearly shows 4G on the phone and shows full bars.
Turning the mobile data off and on in the quick settings seems to then restore data connectivity, but it's very irritating to pull out my phone in the car and try to pull up Google Maps to no avail.
Anyone else experienced this problem? Is there a permanent fix for it?
Click to expand...
Click to collapse
What rom and firmware version are you using?
Sent from my Nexus 6 using Tapatalk
Stock, no root, latest 5.1

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