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WiFi/mobile data issues with the Bluetooth turned on.

Hello everyone, i hope someone can help me with my problem, i have a Xiomi Mi 8 global version 6 ram / 128 rom With the MIUI Global 11.0.4 | ESTABLE 11.0.4.0 ( QEAMIXM ) so the problem is when I'm using the Bluetooth with any device and the WiFi is turned on at the same time, the WiFi signal is very slow and it gets disconnected all the time and if you try to use the mobile data it happens as well but curiously the Bluetooth signal never gets disconnected. What should i do? Someone can help me?

Redmi 9C connected to wifi but no Internet

I just bought this phone and I'm trying to use it in my network. I use Ubiquiti products (16-port switches and a bunch of AP access points). I connected the phone via wifi to my network and it has no problem for a while until it just doesn't have Internet connection. It stays connected with its IP address intact but for some reason it cannot seem to reach the Internet. The workaround is to simply turn off the wifi module and turn it back on. It's randomly happening and the workaround is very annoying.
I have a couple of other mobile devices (iPads, iPhones, Android phones, Windows laptops, etc.) and I never experienced the issue with these. I tried connecting the Redmi 9C to all my wifi networks:
Guest wifi with captive portal
Main wifi with RADIUS authentication
IoT wifi with regular WPA2 personal authentication
I tried resetting the wifi settings of the phone. I tried reinstalling the latest MIUI fw/sw.
and the result is the same, every time. At this point, I can safely consider that there has to be something wrong with the phone. I'm not sure if it's because of the MIUI 12 update because I updated the phone to the latest firmware as soon as I got it out of the box. Is this a known issue with this phone? I have another Xiaomi phone (Mi Mix 3) on the same network without any issues.
Any ideas?

Same thing is happening with my Redmi 9c
I am encountering the same problem with my device.
I have my region in Bangladesh (the country I live in) ,tried changing it a few times. Also upgraded my MI UI version but nothing changed.

Ariq55 said:
I am encountering the same problem with my device.
I have my region in Bangladesh (the country I live in) ,tried changing it a few times. Also upgraded my MI UI version but nothing changed.
Click to expand...
Click to collapse
I don't face this problem in my device which framware you using
Try to update in leatest framware

I always use the updated firrmware but it's too late, I returned and asked for a refund for this phone and replaced it with a Huawei Y6P.

I'm having a similar issue with my redmi 9, wifi works fine but all of a sudden it stops working even though it's connected. Apps dont load, messages dont go through and i have to toggle the off and on wifi. I'm on miui 11, there are no updates available when i try to update but i'm about to ask for a refund. This issue is very annoying

Question Does this phone has wifi problems?

I'm going to buy this phone (Redmi 9T), and I will use it mostly at home with WiFi connection. Is there any problem in this phone like weak WiFi reception or random disconnects?
Update: I bought this phone and didn't find any problems in WiFi.

I haven't faced it.

Nope no random disconnect at all on my home network. I have 2 routers and both of them works perfectly fine

I have same thing, Redmi 9T 6/128gb ROM MIUI 12.0.4.0
10 meter from router and concrete wall, when held by hand the signal disappears, but when it is put down the signal returns 2 bars.
where is the problem?

Lazaid said:
I have same thing, Redmi 9T 6/128gb ROM MIUI 12.0.4.0
10 meter from router and concrete wall, when held by hand the signal disappears, but when it is put down the signal returns 2 bars.
where is the problem?
Click to expand...
Click to collapse
What is your router?. Did you set transmit power in your router to highest?

Lazaid said:
I have same thing, Redmi 9T 6/128gb ROM MIUI 12.0.4.0
10 meter from router and concrete wall, when held by hand the signal disappears, but when it is put down the signal returns 2 bars.
where is the problem?
Click to expand...
Click to collapse
yeah somehow the antenna of this phone is not very good with wifi somehow. My honor 5x does better than this device when i far way from router.

Compared to any other phone I had, the wifi signal of the Redmi 9T is the worst.

Redmi note 9 wifi glitch

My redmi note 9 is on miui v12.0.6.0 QJOINXM (Indian version). The wifi router in my house supports 2.4GHz/5GHz dual band. My phone often disconnects from wifi. It is like the phone is showing connected to wifi but there is no upload or download speed. I have to turn off the wifi option in phone settings and turn it back on for the connection to work again. It happens every 1 minute or so and it is very frustrating. Please if anyone could give any suggestions.

I am also facing the same problem. Did you get any solution?

Same here, bloody annoying.
Connects to access point no problem, remains connected to access point no problem but it's pot luck if you get data flow.
Using my Redmi right now, so hopefully this posts ok.

Question If Mi 10i 5gphones wifi is not getting enabled

Is there any other option to use usb wifi adapter connecting to the Mi 10i 5g phone as phones in built wifi is not getting enabled & service centre people are saying that it is issue with the board. Can anyone help me so that i can make use of Internet wifi in my house & office on Mobile phone.

Which rom are you in？
I met the same issue when I flashed to miui eu13.
Then I test back to miui cn and pixelos, both wifi works good.