Database Develop

[Q] Get many satellite ,but GPS locate so a long time

Hi!
I use Topogigi 2.0, sp1, sp2 and sp3 with Neoblaze kernel ,and finish GPSFIX.
My setting about gps.conf is below:
NTP_SERVER=tw.pool.ntp.org
XTRA_SERVER_1=http://xtra1.gpsonextra.net/xtra.bin
XTRA_SERVER_2=http://xtra2.gpsonextra.net/xtra.bin
XTRA_SERVER_3=http://xtra3.gpsonextra.net/xtra.bin
SUPL_HOST=supl.nokia.com
SUPL_PORT=7276
And my setting about GPS test (1809#*990# Hidden Menu)
MOLR Protocol = User Plane
SULP Setting part
SLP Server = Nokia (port 7276) without TLS Setting
SLP Auto Provision is on
Misc. = Auto Cold Start is on
Get Position setting part
Session type = Tracking
Open Mode = MS-Based
That's all about my GPS setting.
When I open GPS , it can get 5~7 satellites in 10~15 seconds.
But it finished locating in few minutes ,not in few seconds.
Before flash this rom ,I can get GPS position in less than 1 minute.
So I think some settings I have problems or need to fix.
Thank you!

kkyoiori2001 said:
Hi!
I use Topogigi 2.0, sp1, sp2 and sp3 with Neoblaze kernel ,and finish GPSFIX.
My setting about gps.conf is below:
NTP_SERVER=tw.pool.ntp.org
XTRA_SERVER_1=http://xtra1.gpsonextra.net/xtra.bin
XTRA_SERVER_2=http://xtra2.gpsonextra.net/xtra.bin
XTRA_SERVER_3=http://xtra3.gpsonextra.net/xtra.bin
SUPL_HOST=supl.nokia.com
SUPL_PORT=7276
And my setting about GPS test (1809#*990# Hidden Menu)
MOLR Protocol = User Plane
SULP Setting part
SLP Server = Nokia (port 7276) without TLS Setting
SLP Auto Provision is on
Misc. = Auto Cold Start is on
Get Position setting part
Session type = Tracking
Open Mode = MS-Based
That's all about my GPS setting.
When I open GPS , it can get 5~7 satellites in 10~15 seconds.
But it finished locating in few minutes ,not in few seconds.
Before flash this rom ,I can get GPS position in less than 1 minute.
So I think some settings I have problems or need to fix.
Thank you!
Click to expand...
Click to collapse
I think supl.nokia.com use port #7275 not 7276

Yes I confirm. And no wifi while acquiring supl data can't go through wifi.

GPS Doesnt fix and finds satellite
My GPS never fixes and finds satellite some times and doent find some times and i am on GB stock rom and from india
please help me how to make my GPS work

k101d said:
I think supl.nokia.com use port #7275 not 7276
Click to expand...
Click to collapse
Thank you.
But Both of two settings I'v try.
And I also try supl.google.com port 7275
It still take a long time to locate
Striatum_bdr said:
Yes I confirm. And no wifi while acquiring supl data can't go through wifi.
Click to expand...
Click to collapse
I can quickly get many satellites, but finish position need to take a long time.
It's about wifi or 3G network?

It's Wifi, you can't lock satellites while Wifi is on.
Have you tried to turn GPS on, then reboot your phone? It works for some people, and then you have to leave your GPS on, it dosn't drain battery as long as no app is using it.

Striatum_bdr said:
It's Wifi, you can't lock satellites while Wifi is on.
Have you tried to turn GPS on, then reboot your phone? It works for some people, and then you have to leave your GPS on, it dosn't drain battery as long as no app is using it.
Click to expand...
Click to collapse
I don't turn wifi on when using GPS.
I've try turn GPS on and reboot phone.
But it still not work for locating quickly.
Is there any setting problem on rom?

Wi-Fi enabled not recognize networks..

Hi Folks,
I'm trying to solve this annoying (big) problem.
I have CM7.2 by Xperiafan V5 as ROM
and X8_07-ICS_Alfs as kernel.
but this problem happened also in other ROMS GDX mainly used up 1 week ago.
The problem is: I use my wi-fi connection for a while, even 3-5 days. No problem.
Then when I reactivate wi-fi it seems looking for I dont know what and it rest activated but not connect my network.
I tried to change advanced settings: channels, rescan...
Nothing works...
The only solution is:
1) I have to manually delete all networks
2) disable wi-fi
3) then enable it again so it this time rescan correctly the networks
4) re-select my network
5) re-insert the pwd.
Sometime, as 1 time on 5-6, even this dont works, so I have to add after point 1 do a REBOOT and it works :-/ :-| :-/
Some suggestion? THX a lot!!!!

I have the same problem but I,switch the Wifi off and re activate it I find networks.
Sent from my E15i using xda premium

this happened to me...
try this https://market.android.com/details?...nBlcnNvbmFsLmpoamVvbmcuYXBwLldpRmlQaWNrZXIiXQ..
enable wifi using 'stock' wifi on mobile, and scan network with this... I have no problems with this anymore

Which of WiFi security type do You use ? There are problems with gaining IP address from WPA/WPA2-PSK.
I have problems to, but what I'm doing is:
1). Connect [it's telling me, that it's out of range]
2). I simply press "scan" and that's all

[Q] Wifi issues?

Hi all,
I've noticed a few times now on my Z3C that even though I have Wifi enabled (set as always enabled) after a while it will loose connection, not the actual wifi connection, that still shows as connected, but no traffic works over wifi until i switch it off and on again. I've tried this against several wifi ap's now and get the same result. I've toggled the wifi optimization option and that has made no difference at all. Has anyone else had this or know of a solution?
Thanks

i don't have this issue....
sorry for bad anglish

I bought a Z3 Compact from Clove and I am experiencing the same issues. If i restart the phone, then no issue for a short period of time.

Do any of you use ABP?
I have the same issues when ABP proxy is on.
If I leave out the proxy from the connection settings, wi-fi is stable, but it kind of defeats the purpose.
I can't post links here, but there's a topic on ABP forums -ABP Android WiFi issue-, so google it.

I don't have ABP installed but thanks for the tip.

I´m having the same trouble with a Z3C. I figured out, that the problem does not occur when on flightmode or when the mobile data connection is switched off. WiFi speed is still good after several hours. Anyone to confirm this?

Yeah this WiFi thing happens here. Auto magically no traffic for no apparent reason

dillalade said:
Yeah this WiFi thing happens here. Auto magically no traffic for no apparent reason
Click to expand...
Click to collapse
Can you try the flightmode with enabled WiFi or turn off the mobile data connection and see if it still happens?

Okay, now I also had this problem with the WiFi at work.
I did more testing on that issue, I changed my Vodafone SIM to a Congstar SIM (T-Mobile). The problem also occurs then ... BUT ... instead of seeing a speed limited to ~1Mbit/s the speed ist limited to ~3Mbits ... reproducable. Remember, I await ~5 to 6 Mbits, which I get shortly after disabling and reenabling WiFi.
During testing, I connected the Android Device Monitor via USB, and each time the problem occurs, the logcat output shows something like that:
Code:
10-16 09:44:32.519: E/QcConnectivityService(896): Exception trying to remove a route: java.lang.IllegalStateException: command '404 interface route remove rmnet0 default 0.0.0.0 0 109.45.158.104' failed with '400 404 Failed to remove route from default table (No such process)'
10-16 09:54:48.282: E/QcConnectivityService(896): Exception trying to remove a route: java.lang.IllegalStateException: command '432 interface route remove rmnet0 default 0.0.0.0 0 2.202.163.250' failed with '400 432 Failed to remove route from default table (No such process)'
10-16 10:04:32.896: E/QcConnectivityService(896): Exception trying to remove a route: java.lang.IllegalStateException: command '473 interface route remove rmnet0 default 0.0.0.0 0 109.45.191.104' failed with '400 473 Failed to remove route from default table (No such process)'
and
Code:
10-16 10:46:55.721: E/QcConnectivityService(896): Exception trying to remove a route: java.lang.IllegalStateException: command '880 interface route remove rmnet0 default 0.0.0.0 0 109.45.164.144' failed with '400 880 Failed to remove route from default table (No such process)'
10-16 10:46:59.401: E/voice_extn(279): voice_extn_compress_voip_get_parameters: COMPRESS_VOIP_ENABLED is not defined
10-16 10:47:05.841: E/LocSvc_eng(896): W/AgpsReleasedState: unrecognized event 3
10-16 10:47:06.751: E/SecondaryTablController(272): ip route del failed: /system/bin/ip route del 109.45.164.144/32 via 0.0.0.0 dev rmnet0 table 60
10-16 10:47:06.761: E/SecondaryTablController(272): ip route del failed: /system/bin/ip route del 0.0.0.0/0 via 109.45.164.144 dev rmnet0 table 60
10-16 10:48:03.771: E/PushConnection(9225): Create socket err, errno:110
The ip address "109.45.164.144" appears to be a vodafone IP
so it seems to me, that this is a software issue in the Z3 / Z3 compact, something in the network configuration is faulty ...
Ideas anyone?

Do you guys have Wifi on Location (or similiar) turned on in Energy control? So that the wifi turns on when you are near your access point? Turning that off solved a few wifi problems I have had.
edit: During the night my Z3C would turn to mobile data instead of staying on Wifi, turning it off has solved that.

Servaas said:
Do you guys have Wifi on Location (or similiar) turned on in Energy control? So that the wifi turns on when you are near your access point? Turning that off solved a few wifi problems I have had.
edit: During the night my Z3C would turn to mobile data instead of staying on Wifi, turning it off has solved that.
Click to expand...
Click to collapse
All the energy saving options including location based WiFi disabled, also WiFi is set to stay active during sleep, problem persists

marcus_79 said:
Okay, now I also had this problem with the WiFi at work.
I did more testing on that issue, I changed my Vodafone SIM to a Congstar SIM (T-Mobile). The problem also occurs then ... BUT ... instead of seeing a speed limited to ~1Mbit/s the speed ist limited to ~3Mbits ... reproducable. Remember, I await ~5 to 6 Mbits, which I get shortly after disabling and reenabling WiFi.
During testing, I connected the Android Device Monitor via USB, and each time the problem occurs, the logcat output shows something like that:
Code:
10-16 09:44:32.519: E/QcConnectivityService(896): Exception trying to remove a route: java.lang.IllegalStateException: command '404 interface route remove rmnet0 default 0.0.0.0 0 109.45.158.104' failed with '400 404 Failed to remove route from default table (No such process)'
10-16 09:54:48.282: E/QcConnectivityService(896): Exception trying to remove a route: java.lang.IllegalStateException: command '432 interface route remove rmnet0 default 0.0.0.0 0 2.202.163.250' failed with '400 432 Failed to remove route from default table (No such process)'
10-16 10:04:32.896: E/QcConnectivityService(896): Exception trying to remove a route: java.lang.IllegalStateException: command '473 interface route remove rmnet0 default 0.0.0.0 0 109.45.191.104' failed with '400 473 Failed to remove route from default table (No such process)'
and
Code:
10-16 10:46:55.721: E/QcConnectivityService(896): Exception trying to remove a route: java.lang.IllegalStateException: command '880 interface route remove rmnet0 default 0.0.0.0 0 109.45.164.144' failed with '400 880 Failed to remove route from default table (No such process)'
10-16 10:46:59.401: E/voice_extn(279): voice_extn_compress_voip_get_parameters: COMPRESS_VOIP_ENABLED is not defined
10-16 10:47:05.841: E/LocSvc_eng(896): W/AgpsReleasedState: unrecognized event 3
10-16 10:47:06.751: E/SecondaryTablController(272): ip route del failed: /system/bin/ip route del 109.45.164.144/32 via 0.0.0.0 dev rmnet0 table 60
10-16 10:47:06.761: E/SecondaryTablController(272): ip route del failed: /system/bin/ip route del 0.0.0.0/0 via 109.45.164.144 dev rmnet0 table 60
10-16 10:48:03.771: E/PushConnection(9225): Create socket err, errno:110
The ip address "109.45.164.144" appears to be a vodafone IP
so it seems to me, that this is a software issue in the Z3 / Z3 compact, something in the network configuration is faulty ...
Ideas anyone?
Click to expand...
Click to collapse
Wow. This is terrible. Sony need to patch this as asap.
---------- Post added at 11:19 AM ---------- Previous post was at 11:18 AM ----------
marcus_79 said:
All the energy saving options including location based WiFi disabled, also WiFi is set to stay active during sleep, problem persists
Click to expand...
Click to collapse
Same here. Still persists

I already gave this information to the sony support forum and also to sony support via email. Don´t know if this "remove route"-thing is the actual problem, but as it always occurs just before WiFi becomes slow, it must at least be connected to the problem ...
I´m not allowed to post a link here to my thread on sony support forum, but if you google for Z3 WiFi slow after some minutes it should come up within the first search results ... "Wifi slow after some minutes" is also the title of the thread ...

I also have the issue where wifi seems to just stall. It is very random and doesnt last long, but it happens. I have found it occurs on my 2.4ghz but on my 5g it works fine.

Sean09 said:
I also have the issue where wifi seems to just stall. It is very random and doesnt last long, but it happens. I have found it occurs on my 2.4ghz but on my 5g it works fine.
Click to expand...
Click to collapse
Is bluetooth enabled? If so, try to switch it off and see if the problem is gone.
A second thing you can try is to set the localization mode to "battery saving" (Settings=>Localization, something like that, my phone is in german, so I don´t know the exact setting name) and see if it still happens.
Did you already change the WiFi channel on your router? Maybe it´s interference with nearby WiFi?

Update:
The issue (slow WiFi after some time) is a known android issue:
https://code.google.com/p/android/issues/detail?id=64706
The root cause is explaines in posts #115 and #136.
Basically it´s a problem of wrong TCP buffer sizes. I watched the buffer sizes on my device in the bad and in the good case and can confirm that this is exactly the problem I am facing.
Since this problem was patched already (https://android.googlesource.com/platform/frameworks/base/+/30a2bc8) I wonder why it did not make its way into the current Z3/Z3C firmware Will have to wait for Sonys answer ...
Since this problem was patched already (https://android.googlesource.com/platform/frameworks/base/+/30a2bc8) I wonder why it did not make its way into the current Z3/Z3C firmware Will have to wait for Sonys answer ...

I also have this issue on my Z3 Compact. Wifi is horrible, have reverted to just using LTE. Hopefully this patch makes it into the next OS release; makes an otherwise great phone nearly unusable for certain high bandwidth activities!
According to the referenced thread on Sony's forum: https://talk.sonymobile.com/t5/Xperia-Z3-Compact/WiFi-slow-after-some-minutes/td-p/850657
Their firmware 23.0.1.A.5.77 and later includes a fix for this problem.

bitpushr said:
I also have this issue on my Z3 Compact. Wifi is horrible, have reverted to just using LTE. Hopefully this patch makes it into the next OS release; makes an otherwise great phone nearly unusable for certain high bandwidth activities!
According to the referenced thread on Sony's forum: https://talk.sonymobile.com/t5/Xperia-Z3-Compact/WiFi-slow-after-some-minutes/td-p/850657
Their firmware 23.0.1.A.5.77 and later includes a fix for this problem.
Click to expand...
Click to collapse
Hey, yes this patch fixes the problem, I am the threadstarter at the Sony support forum I already received the patch and it works fine now

(d5803)
latest fw .77
super slow wifi speeds on every possible off/on option combo thinkable
sometimes i got max full steady speed, but most of the time it drops big time and stays that way for days,

issy_i said:
(d5803)
latest fw .77
super slow wifi speeds on every possible off/on option combo thinkable
sometimes i got max full steady speed, but most of the time it drops big time and stays that way for days,
Click to expand...
Click to collapse
I am having the same issues on Build Number 23.1.A.0.726 (Android 5.0 Lollipop update) on my Xperia Z3 Compact Model D5803 too. I rebooted just now per someone else's instructions and seems to have cleared up for now.

[Q] RIL Crash: No Carrier Available must restart to fix

Symptoms:
Mobile network is available and is 100% stable with mobile data switched off. (Does not lose Mobile network)
When switching on mobile data it connects without any issues and works.
After a random amount of time the phone reports, no network available. Signal triangle appears empty. RIL Crashed. Copsdaemon causes the battery to discharge very quickly.
No manual interaction (eg. Flight mode on/off, Mobile network on/off, Manual search for network) makes any difference, phone must be rebooted.
Update: Mobile data off, during voice call I pressed volume +. RIL died, phone reports no network available (same as mobile data)
I will attach 2 complete radio logs I have captured in the hope that someone can fix this.
I have found this to be a problem in the Novafusion (McClaw) Roms (tried CM10.2, CM11.0 and also Carbon latest roms available 19102014)
It would seem to be working for some people?, or maybe they just do not use mobile data.
Please share experiences.

Some Documentation on understanding the RIL
http://www.kandroid.org/online-pdk/guide/telephony.html
http://www.slideshare.net/dpsmarques/android-ril
http://stackoverflow.com/questions/9298750/how-to-connect-to-rild-socket
https://github.com/ferjm/b2g-dialer-test
https://gitorious.org/rilspy/rilspy

znh said:
Symptoms:
Mobile network is available and is 100% stable with mobile data switched off. (Does not lose Mobile network)
When switching on mobile data it connects without any issues and works.
After a random amount of time the phone reports, no network available. Signal triangle appears empty. RIL Crashed. Copsdaemon causes the battery to discharge very quickly.
No manual interaction (eg. Flight mode on/off, Mobile network on/off, Manual search for network) makes any difference, phone must be rebooted.
Update: Mobile data off, during voice call I pressed volume +. RIL died, phone reports no network available (same as mobile data)
I will attach 2 complete radio logs I have captured in the hope that someone can fix this.
I have found this to be a problem in the Novafusion (McClaw) Roms (tried CM10.2, CM11.0 and also Carbon latest roms available 19102014)
It would seem to be working for some people?, or maybe they just do not use mobile data.
Please share experiences.
Click to expand...
Click to collapse
Copsdaemon is part of our blobs, sometimes crash and need a reboot for get a network again.

tenshi_xp said:
Copsdaemon is part of our blobs, sometimes crash and need a reboot for get a network again.
Click to expand...
Click to collapse
Copsdaemon is still running, it kills the battery ( perharps RILD died as the java code threw an runtime exception, socket gets closed)
I gathered 2 crash logs please have a look
From lots of reading it seems like: LibRil -> Rild -> sends a unsolicited call to RIL.java (which throws an Exception see extract from logfile)
Code:
I/use-Rlog/RLOG-RIL_MAL(15810): NETLNK_LIB::(fn: netlnk_socket_recv)::SUCCESS
I/use-Rlog/RLOG-RIL_MAL(15810): NETLNK_LIB::
I/use-Rlog/RLOG-RIL_MAL(15810): Received message payload: 5: ret = 1024
I/use-Rlog/RLOG-RIL_MAL(15810): NETLNK_LIB::Exiting function netlnk_socket_recv
E/RILJ ( 2451): Exception processing unsol response: 11020Exception:java.lang.RuntimeException: Unrecognized unsol response: 11020
D/use-Rlog/RLOG-RILClient( 1678): processUnsolicited(): resp_id (11020), len(12)
D/use-Rlog/RLOG-RILClient( 2151): processUnsolicited(): resp_id (11020), len(12)
E/RILJ ( 2451): Hit EOS reading message length
I/RILJ ( 2451): Disconnected from 'rild' socket
D/PHONE ( 2451): [ServiceState] setNullState=1

i have the same problem. i got no carrier after rom flashing. i had to reboot my phone to get network back.
my country is denmark and i'm using the latest version of baseband.

And i have the same problem.
Can someone from the developers to help us make sense of this?
Maybe even build/modify the necessary files from the source.

MIUI 12.5 wifi issues

Hi, today I received the EU update to MIUI 12.5 - 12.5.1.0(RFAEUXM) . However, now my Mi 9 can't connect to wireless networks. I already tried restore the network defaults and then the factory reset without success. Any ideas?
The behavior is - I move the switch to turn on, seems like it is on but no networks are displayed. If I move away to other apps and then look again for wifi switch, it is off again. I feel some lag when I go into wifi settings pages and after turn the switch on.

Do you have some system apps disabled? I remember similar behaviour when I used to disable/remove system apps on Q.
If factory resetting did not help you, then it's definitely the OS has a problem. Wait for another update, or try to reflash the latest firmware using PC.

No, I don't :/
I already looked into logcat and seems related with the wifi driver the issue:
07-12 16:42:33.989 846 846 E [email protected]: Failed to write driver state control param: Invalid argument
07-12 16:42:33.989 846 846 E [email protected]: Failed to load WiFi driver
07-12 16:42:33.989 846 846 E [email protected]: Failed to initialize firmware mode controller
07-12 16:42:33.989 846 846 E [email protected]: Wifi HAL start failed
It's complicated just live with mobile data and a limited plan until a new update. I believe that I can't reflash because I don't have the Mi 9 unlocked and to unlock it I should wait (360h I believe). I already tried the "download latest package" from "about phone" but I still have the wifi issue.
Downgrade or flash another ROM should work but as I said I have the phone locked.

That's a lot like Kernel issue, small update should fix it. Send a report to Xiaomi regards the issue.
Since you're locked, you better wait this fortnight.

Same issue here, have tried to reset Wifi, Mobile network and Bluetooth settings but no improvements

Have restored MIUI 12.0.5.0 from Fastboot in order to get Wifi working again...
Very bad work from Xiaomi for this

AlexPinote said:
Hi, today I received the EU update to MIUI 12.5 - 12.5.1.0(RFAEUXM) . However, now my Mi 9 can't connect to wireless networks. I already tried restore the network defaults and then the factory reset without success. Any ideas?
The behavior is - I move the switch to turn on, seems like it is on but no networks are displayed. If I move away to other apps and then look again for wifi switch, it is off again. I feel some lag when I go into wifi settings pages and after turn the switch on.
Click to expand...
Click to collapse
I updated to the same version and have no problem with WiFi.

AlexPinote said:
Hi, today I received the EU update to MIUI 12.5 - 12.5.1.0(RFAEUXM) . However, now my Mi 9 can't connect to wireless networks. I already tried restore the network defaults and then the factory reset without success. Any ideas?
The behavior is - I move the switch to turn on, seems like it is on but no networks are displayed. If I move away to other apps and then look again for wifi switch, it is off again. I feel some lag when I go into wifi settings pages and after turn the switch on.
Click to expand...
Click to collapse
I first experienced this issue after updating my mi 10t global to 12.1.3. It's a known bug and has been discussed at greater length on the mi community website. It remains unfixed in the 12.5.1 update.
However, there is a temporary solution that will allow you to reconnect to your wifi network. You'd have to change your ip settings from dhcp to static, and enter the relevant digits. That's it.
On a separate a note, 12.1.3 also introduced a mobile data bug that remains unfixed in 12.5.1. If you've set a private dns provider hostname under private ip, you will no longer be able to use mobile data. You'd have to toggle this setting to off or auto to get mobile data working again.

Dagabix said:
I first experienced this issue after updating my mi 10t global to 12.1.3. It's a known bug and has been discussed at greater length on the mi community website. It remains unfixed in the 12.5.1 update.
However, there is a temporary solution that will allow you to reconnect to your wifi network. You'd have to change your ip settings from dhcp to static, and enter the relevant digits. That's it.
On a separate a note, 12.1.3 also introduced a mobile data bug that remains unfixed in 12.5.1. If you've set a private dns provider hostname under private ip, you will no longer be able to use mobile data. You'd have to toggle this setting to off or auto to get mobile data working again.
Click to expand...
Click to collapse
how did you do it? how did the wifi work?

Higorhg said:
how did you do it? how did the wifi work?
Click to expand...
Click to collapse
If you're able to see your wifi network name listed under wifi assistant or available networks, even if it's not active/connected you should be able to press the arrow on the right and enter the settings for that network. Here you'd have to change ip address from dhcp to static, then enter the relevant digits in the spaces that appear below (assuming you know what they are). Then press the tick up at the top right to save before exiting.

I have same problem
I found this on Youtube and its work for me

This is definitely not the same problem.
Our issue is about the Wifi that is not working at all, no wireless networks, no connection, phone constantly crashing when entering Wifi menu.
Also, there is an issue with GPS Localisation (maybe related to the wifi as the phone is using wifi to have more accurate result).
Have received again today the 12.5.1.0 update and the issue is still here...

john_matrix said:
This is definitely not the same problem.
Our issue is about the Wifi that is not working at all, no wireless networks, no connection, phone constantly crashing when entering Wifi menu.
Also, there is an issue with GPS Localisation (maybe related to the wifi as the phone is using wifi to have more accurate result).
Have received again today the 12.5.1.0 update and the issue is still here...
Click to expand...
Click to collapse
Same here, but the static IP roundabout don't works

My Xiaomi T10 could not connect only to *some* wifi, it has been so since when I purchased it.
I tried different solution and never worked.
Only few days ago I updated to MIUI 12.5 and I tried the first method here (basically reset the wifi settings)
Xiaomi: How to Fix Wi-Fi Problem When Updating to MIUI 12 | ITIGIC
Many of Xiaomi's phones are still updating to MIUI 12. The company's new layer integrates a large number of novelties at the aesthetic and functional level. However, as often happens on many occasions, there are problems that only arise when these new versions reach thousands and thousands of...
itigic.com
and it worked!
give it a try, hope this helps, it bothered me for such a long time!

The latest MIUI update automatically fixed all my wi-fi/data woes. It's about time.

Hello,
Got a Mi11 and ran into wifi problems, fought a bit...
My problem was that wifi kept disconnecting, just like in the video above (from nepal). I had noticed that it did not with all access points (specifically with mine !).
Having had the same problem a while back with an oculus go, I did the same : forcing a static ip.
Didn't work with the Mi but I [desperately] set the dns to "plain google" (8.8.8.8 / 8.8.4.4) and wifi sticked !
Then I checked my ap settings and noticed that my ap advertised its global dns (eg 192.169.0.254) and not itself as the dns provider, corrected that on the phone, that is putting the router adress as dns 1, and it works reliably now.
Looks like if android doesn't get a specific ip or address positively upon connecting an access point, it drops it to connect to the next, wich sounds like a good idea...
Hope that helps some of you...

Hello,
Thanks for your advice but this solution cannot be applied here as the Wifi cannot start at all and when you try to look at it after trying to activate it, system panel hang and crash.
I have tried to dig a little bit to see where this problem can come from but haven't found anything yet.
I have check the /persist partition as there is no way to check the Wifi MAC Address with MIUI 12.5.1.0 but no, the partition is still fine (as everything is working properly with MIUI 12.0.5.0)
I have opened 3 tickets by using the Xiaomi official reporting tool but nothing yet... I guess they have abandonned the Mi 9 as MIUI 12.5.1.0 is considered the latest MIUI for this phone.
It would be good to find some Mi 9 users that have successfully installed MIUI 12.5.1.0 (the EEA version) on their phone.

Anyone have tried the recent 12.5.2.0(RFAEUXM) on their Mi9?
In order to know if the wifi bug is still there or not.
Thanks!

I have the Xiaomi M11 lite 5G NE with Miui 12.5, when I exit the house, my WiFi turns off automically, so when I get back I have to toggle WiFi to turn it on again. I have seen some Adroid Advanced settings and one of them is Turn Off Wifi automatically. This seems to be activated, but I can't undo that setting.
Anyone else have this problem where your WiFi is turned off automatically?

Latest available MIUI 12.5 (12.5.2.0) fix the Wifi issue.