[Redmi Note 10 Pro] Aesthete18:
Good day everyone, I'm having a really frustrating problem since I got my phone a month ago. I hope I can get some help here.

From day 1 I've had issues with network on my WiFi. No issues connecting to it, no issues using the internet, let me explain. I first noticed it on MIUI Themes. That was the first thing I went into after setting up my phone. It kept saying "can't connect to network". I figured it was a bug and will be fixed in the 12.5 update (spoiler alert: it didn't). Then I started to notice during setting up of my accounts, discord, reddit, etc. that the login was incredible slow the first time. It would just keep loading when I hit next. Not long after, I downloaded a game and it refused to update saying "can't connect to server". I had to start the process with my data then switch back to WiFi. For clarity, once I'm in the game itself there's no issues, the stability never drops, I never lag, etc.

It became truly evident it wasn't isolated incidents when I would open one of my online shopping apps. It loads the main screen instantly but when I switch the tab to see notifications, the page would load but the notifications would take up to 30 seconds to load. If I clicked on it, the next page would take another 30 seconds to load. Since I've used this app on my previous phone/ipad on the same WiFi I could tell there was something wrong. It should be instant. I opened up MI Community app and I kid you not, it must have taken me 10 - 15 minutes to create an account with all the loading/lag. Every single time I open the app, it takes at least 40 seconds to a minute to load with other pages lagging as well.

I started this long process of trying everything I could find that talks about it which was not much and usually about older phones. I tried everything I could find except factory reset (some have said it doesn't fix it after trying it themselves). I tried all the WiFi adjustments, traffic mode, off private DNS, developer mode options, and obviously reset networks/router/reboot multiple times.

After spending a couple of hours trying to find every mention of this whether it's Youtube, websites or Reddit and trying them (I would switch them back to default after testing the suggestions as they didn't work), my PC started giving WiFi problems. It NEVER gives problems but I figured maybe it was due to the turning on/off router multiple times. I was so frustrated, I was like, screw this I'm done.

I restarted my PC and switched to my PS4 (which runs on the same WiFi with no issues ever in 3 years). As my PS4 booted up, I picked up my phone to check the delivery status on my shopping app and BAAM! For the first time since I downloaded the app, my notifications appeared instantly like it should, the next page loaded immediately. I was like, hold up... I went into MI Community app and BOOM! it loaded immediately, I was shook. One final test, MIUI Themes that has never worked properly since day 1 with its constant "can't connect to network". BLAAM! Every page, instant, clean sweet speed. It felt like a whole new phone, like the new phone that I was supposed to feel all along.

I enjoyed a good 6 hours of bliss, constantly checking my shopping status just as an excuse to enjoy witnessing the speed. He giveth and then he taketh away and as luck would have it, there was a power outage midday. When the power was back on and the WiFi was up, we were back to the suffering. I tried to restart my PC as that was the key trigger and it worked for about a minute and then was the end of it. No amount of shutting down / restarting PC/router fixed it again.

There's something blocking the connection between my router and phone I believe. I figured the initial restart PC fix stopped the connection to the PC and gave the priority to my phone, if you will. That's rubbish I know because my WiFi runs on 4 other devices and never lags.

I'm no tech expert, in fact, I'm the opposite of that, it's embarrassing. I hope y'all can see something I'm unaware of and guide me. I'm certain the phone isn't defective and my WiFi is fine on every other device not to mention it ran flawlessly for 6 hours while other devices were also using the same WiFi.

If you've read this far, thank you very much. I apologize the post is very long, I wanted to get everything in so it paints a clear picture of the issue. I'll add a TLDR just incase.

TLDR: WiFi issues from day 1 in 2/3 of apps mostly with initial connections. 1 month later a chance restart of my PC fixed it. Power outage later that day, problem returned.

T