not reconnect after losing cellular signal - Xiaomi Poco F1 Questions & Answers

Hi,
I have 64/6 Pocophone with Miui 9.6.25.
My phone not reconnect sometimes after losing cellular signal (my car is at underground parking, and when i go out the signal stays off).
Turn the Flight mode on and off helps.
I tried 2 different sim cards - the same.
My sim card i on sim 2 place.
It happen since i got the phone with miui 9.6.14.
Any Help?

I have found this lots. I loose signal then it will not come back. I have to put it in airplane mode then wait 10 seconds then off again. I have had this issue with all my xiaomi devices

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Phone doesn't attempt to reconnect to network

Hi guys, I have enjoyed my HD2 for a half year now, but after a recent trip abroad, during which I pulled out my sim card, my phone now does not try to reconnect to the tmobile network after losing a signal.
For example, I do not receive a signal at my school, however, when I leave school in the afternoon, my phone still does not receive a signal. I have to manually go into phone settings in the comm manager and "find network" to be able to connect. Does anyone know how to fix this? Because this is really annoying having to do this everyday after school...
the phone stops searching after so long. (Cant remember how long, an hour, maybe)
HTC say this is to prevent the phone spending all day searching for a cell tower, which it does at full power, so your battery would die rather quickly.
Rather than manually searching for a signal, you should be able to switch to airplane mode then back to normal again.
well, it used to work fine before I left the country, and turning the antenna on/off does not solve the problem

[Q] LG Optimus L9 not getting signal.

My Optimus L9 isn't getting service AT ALL. I've had this phone for 6 months with no problem. I've always had service at my house and neighboring areas, but for the past 2 days I've had none. Not even one bar and no data. I can still use my phone for texting and making calls when connected to wifi using "wifi-calling". I've tried turning the phone off for hours, I've taken out the battery and SIM, and I've even turned it on airplane mode and then turned it off. Nothing is working. It will get service for 1 to 2 seconds after turning it on, then it quickly loses it. When I try making a call a message displays reading "to place call, first turn off airplane mode". IT'S NOT ON AIRPLANE MODE -__-! This is really frustrating!!!
TabathaT said:
My Optimus L9 isn't getting service AT ALL. I've had this phone for 6 months with no problem. I've always had service at my house and neighboring areas, but for the past 2 days I've had none. Not even one bar and no data. I can still use my phone for texting and making calls when connected to wifi using "wifi-calling". I've tried turning the phone off for hours, I've taken out the battery and SIM, and I've even turned it on airplane mode and then turned it off. Nothing is working. It will get service for 1 to 2 seconds after turning it on, then it quickly loses it. When I try making a call a message displays reading "to place call, first turn off airplane mode". IT'S NOT ON AIRPLANE MODE -__-! This is really frustrating!!!
Click to expand...
Click to collapse
If you haven't done any hacking(root,unlock bootloader, etc) go ahead and call your Cellular Provider and have them troubleshoot.

Temperory Soln Fix No Sim Found/Insert Sim Card Bug

From Last One to Two Month Im Flashing Different CynogenMod Based Rom On My Mi3....
After Flashing Everything Works Fine And Normal...
But We All Know About SOD, Whenever SOD Arises And Network Goes to No Sim Card Found/Insert Sim Card Coz We have No IMEI or Bandwidth Problem...After Continuous Restart Sometimes More than 7 Times Still dsn't work... That The only Movement we think about switching our Phone Or Go Back to MIUI...
So After So many Problem I found Temporary Soln to Fix it ...Its Only Temporary...and works for me Hope it will for you too...
(Dont Blame Me IF It Dosnt Work)
When Ever This Happen Simply Put Your Phone On Airplane Mode And Restart And The After Your Phone Starts Switch off Airplane Mode And Network Will Automatically Come....Witout Any Problem...
Setting>More>Switch Airplane Mode On
Hold Power Button And Restart, After Phone Gets Bootup Goto
Setting>More>Switch Airplane Mode Off
This Trick Works For Me Hope It Will Work For You Too...."All The Best"
This will definitely work.
I suggest before restarting your phone (Whatever reason for restart) just SWITCH ON AIRPLANE MODE and after restart TAKE IT OFF. That's all.
KSKHH said:
This will definitely work.
I suggest before restarting your phone (Whatever reason for restart) just SWITCH ON AIRPLANE MODE and after restart TAKE IT OFF. That's all.
Click to expand...
Click to collapse
I've posted a tut the same as this before..
Rr got no bug like this
No permanent solution for this guys???
Cause every other reboot this happens
Sent from my MI 3W using Tapatalk
fixed my sim card not detected problem with bending one of the sim pins after opening phone, it was bent badly b4, xiaomi mi3
If the SIM card tray is damaged (for example, a piece of plastic is chipped off or a metal plate is deformed), this can be the cause of the problem when the Xiaomi smartphone does not see the SIM card.
I had such a situation on my Mi 3. In the service center they could not find the cause of the problem, I found it myself.
I hope this information will help to somebody.

Bluetooth and WIFI won't turn on.

So I've had this phone for 8 months and really like it. Runs fine and does everything I need it to do.
I decided to put a new sim into it, I removed the old one and put in new one.
Worked fine, Data/LTE was fine.
Then a couple of minutes later bluetooth and wifi turned itself off.
I try to turn them on, but they start turning on, but turn off again in 2-5 seconds.
Also wifi sometimes stays on,but won't connect to a network. It also doesn't find any network at all.
Even trying to pair my smartband with NFC does nothing, it make a beeping noise, signaling it's working.
Only thing I can think of, is that the small white piece of paper in between the sd card slot came out a bit.
This only happened once I went to remote the old sim and checked sd card.
Is this a hardware fault?

WiFi connection dropping.

Hello
I had this V30+ H930G for awhile and it's been about 10 days that my WiFi keeps dropping when I connect it and if I try to reconnect it quickly after it drops (by clicking Connect) nothing happens so I have to either wait a few seconds or disable and enable wifi to get a retry at connecting which I still have a high chance of getting DCed again from WiFi.
Here is what I tried so far:
4 Different WiFi routers one of them were another cellphone.
Network Reset
turn on and off battery saving
Updating/repair phone through LG Bridge.
Reset/Erase everything.
sometimes my WiFi stays on for hours but sometimes it just drops every 5 seconds. with full 5 bars
even if the WiFi is open and not password protected it drops.
so does it sound like hardware problem? I didn't try to downgrade to previous versions. I don't wanna repair this phone if possible, but I'm still wondering if this is a hardware problem or just software?

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