Wifi Problems - Redmi K20 / Xiaomi Mi 9T Questions & Answers

Hi Guys!
I have a pretty big problem with my Mi9T Global Edition. I have the current Miui 10.3.7 installed but now I have problems with the Wifi. If I want to connect to my wifi is connected but without Internet. A change of the Wlan channel briefly brought the solution only now not again. What can I do here? Also, the Exchange Sync no longer works reliably with Gmail, where I often get the error that I'm not connected.

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wifi help, yes again i know...

i read pages of threads on this forum, but im not getting nowhere fast!
I'll start at the begining, mda t-mobile original rom, working as it should, upgraded the rom several diff ones and not working, tryed the origainal rom and not working!
rom now on the mda,
ROM version 2.8.7.1WWE
radio version 01.13.10
protocal version 4.0.13.24
ExtROM version 2.8.7.101
ive intsalled DJVW WLAN 302.11g Activator 1.0.cab
Now the problem, when the wifis switched on it takes awhile to even detect the network, my old ipaq would be conected as soon as switched on?
when it does detect the network it trys to conect for about 2mins then gives up ( in same room as router )
it wont conect but i can see the mda has downloaded about 20kbs of info, but can get no further?
Am i missing something here?
Also where do you go to check you have the latest drivers, updates, newest rom etc
Thanks for taking the time to read this :wink:
Hello,
I have found that i am having similiar problems with Wifi after updating to the latest qtek 9100 ship ROM on my qtek 9100 device.
the device can "see" the WIFI but it will not/connot "use" it.
Ya same here. I can turn on the wifi but it doesnt connect anymore ! I know fopr sure that there are at least 4 wifi connections around me normally but I dont see any of them !
I had this problem but was able to fix it by giving my router my DNS settings (that I got from my ISP).
For some reason, certian routers will not serve the MDA with any sites unless it has the IP address of your ISP's DNS server.
This should take care of your problem.
If this doesn't work, go to your public library and see if you can get on their wifi. This will help you troubleshoot to see if there's actually a hardware problem.
Actually the problem i had is unusual in that i could connect to any open WIFI zone aswell as our work and home one, BUT it will not carry any traffic AT ALL. Only uses GPRS NO wifi.
I actually hard reset the device yesterday and ensured that Push email was switched off - WIFI is functioning fine now.
There is still one problem. When i cannot the device to my PC for an active sync. It will sync with the PC but throw an error when trying to sync with exchange server via the WIFI.
The error on the PC active sync is
"The server could not be reached. This can be caused by temporary network conditions
SUpport code:85002003"
It also throws an error on the device.
This is a right pain and did not happen on the previous version of the ROM. It means i have to do a seperate exchange server sync when disconnected from the PC. ANyone have ideas on how to fix this.
Incidently, another thing I have noticed with the NEw ROM is that contact lookup is noticeably slower - sometimes I have to wait for a few seconds
before the contact i am searching for actually comes up. This is in comparison to the immediate results of searches in my old ROM.
Jass
right ive reload a rom, and the wifi works, then after adding each of my aplications, ive tested the wifi conection, i found wififofum being the problem.
now i know the developer of wififofum has an wizard himself , that runs this aplication no problems, ut on mine it seems to just freeze the wifi, giving a rssi signal of 90 no matter how close or far im from the source?
http://img.photobucket.com/albums/v12/XRfil/mdawifi.jpg

Wi-fi trouble. Help please!

Hi friends. Since I've bought my HTC Wizard, i've been reading the very nice posts on this forum. Now I'm with a little problem and hope someone can help me.
I'm using a Black Diamond WM6 ROM and having some problema with my wi-fi connection.
I have a wi-fi router at home. I start the Wizard wi-fi connection normaly, get my MAC adress recognized normaly. Then I visit a page or two, or download some e-mail on Outlook and the connection stops. I can't acess nothing else.
If I just restart the Wizards wi-fi connection, it turns right again.
Have anyone find some error like this before? I apreciate all incoming help.
Thanks
Are you using any kind of encryption (WPE, WPA...)?
Have you checked the connection with any other WiFi devices? Do you experience the same problem?
Sometimes WiFi encryption doesn't work properly on some routers (eg. Huawei HG520). Have a go without any encryption to see it that's the problem.
If it's not, I've no idea what's going on, sorry.
Hope it helps.

[Q] Wifi error?

Hi all, my Legend has suddenly started having the Wifi "Error" message every time I try to turn it on. I'm rooted and am running Azure 1.0.1. It was just today that I noticed it happening and it was still working fine yesterday. I didn't make any changes to the system before this happened. I read on the other phone threads that the goldcard needs to be inserted and that it happens with OTAs, but mine is not. Is there any other cause for the problem? Now I can't connect to any wifi network any more.
Update: I found it's because of the editing of the wpa_supplicant.conf based on a solution found on page 125 of the Azure thread. It's for connecting to my university network. It worked only until my next reboot. Is there a more reliable way to connect to WPA2 Enterprise networks? Searched the whole night but couldn't find any.
I also had some problems with WI-FI connecting to all kind of networks (hidden or not but all with WPA/WPA2), while I was running Azure. Though I'm not sure it was an issue with this ROM since not many are complaining about this. I made it work after switching to the "nightly builds". I'm running 43 now and don't have any problems connecting to WI-FI for more than a week

Cyanogenmod: WiFi and 3G

Hi guys,
after having installed CyanogenMod 7 v. 2.6 I have got problems with WiFi and 3G connection. Sometimes it seems my phone disconnects with the internet. Actually, the widget shows that connections are enabled but the market or browser won´t load anymore and I get the message that I need to check the connection :S
In this case, the only thing that helps is to switch to flightmode for some seconds. Sometimes even this does not solve the problem and I have to restart my phone.
Hope, you guys can help me. Thanks.
I noticed another problem, that might have a relation to the first one i have described.
Sometimes when I like to connect my phone to the internet via 3G or WiFi (using the integrated widget) it does not connect at all. The status bar does not show the WiFi or 3G sign and browsing is not possible.
Damn guys I need your help

Several weird issues

Hi there,
I have my S8 Exynox version for more than one week and I am facing some strange issues that I cannot explain and I have never experienced them with my previous phones.
I have WiFi router (2.4GHz/5GHz) running OpenWRT and S8 is disconnecting or keeping connected but losing internet access. Many times when I unlock the phone I can see that it is not connected to WiFi and just connecting or there is a message "Connected to XXXX" indicated that the connection was somehow re-initiated. It seems to be more stable if I remove 5GHz network connection but still not reliable.
This is even more strange. When I enable WiFi on S8 and let it connect I am facing network connection dropouts on my LAN not only on WiFi but even on cable. I am listening network radio and the sound disappears randomly and the issue is gone if I disable WiFi on S8. Sometimes I even have to restart the router.
Settings changes randomly. I was navigating with Waze and there was no speed indication. I stopped and found out that it was disabled in settings although it was enabled my previous drive. And another time LTE was suddenly disabled. There was 3G/2G selected in Connection -> Mobile network -> Mode.
I am using Dropsync to synchronize several Dropbox folders with my phone. One of them is synchronized to Share folder in local storage. Yesterday I found out that there is some sync problem in Dropsync and it turned out that Share folder is not existing. Some process has obviously deleted that folder. Could it be that I run optimization in device maintenance?
I am using Nova launcher with Morena icon theme. I have selected some icon for Samsung calendar to have is consistent with the icon theme but it randomly changes to stock icon during the night.
It forgot BT pairing with my Garmin Forerunner. I had to pair them again.
I have enabled volume sync when I connected my JayBird earbuds for the first time but it was disabled again few days ago.
Does anybody else have issues like this?
Experienced the WiFi issues in the beginning too, it doesn't kill my ping any more at least not majorly and it seems to have stopped not being able to connect to my router properly. Can't say anything about the rest.
And how did you solve the WiFi issue?
KejPi said:
And how did you solve the WiFi issue?
Click to expand...
Click to collapse
I didn't, it resolved with time, it did seem to stop after rebooting my router one last time but I doubt that's it as I already did that once and the issue happened again.

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