Wifi connectivity on iPhone XS

FizziGig Said:

"Wifi connectivity on iPhone XS: I have an iPhone XS. Last week it started to lose its wifi connectivity constantly. My other Apple device (ipad) is fine. I have checked the router and rebooted and that is fine plus all other wifi devices are working as usual. [...]As soon as I notice the lost connectivity I go into wifi and selected router and it finds it ok. But it no longer stays connected.[...]"

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Troubleshooting iPhone WiFi not Working:

Try The Following the the Order Provided:

I. Start Here: If your iPhone, iPad, or iPod touch won’t Connect to a Wi-Fi Network - Apple Support

II. What Else to Try:

A. Restarting the iPhone:

If any changes were made (i.e. Installed Apps), then Settings (i.e Wf-Fi), may have become manipulated technically. So, try restarting the iPhone:

1. Go To: Settings
2. Tap: General
3. Tap: Shut Down
4. Slide: Your Finger to the Right

B. Disable Cellular:

Try disabling Cellular, and using Wi-Fi instead, seeing if that makes all the difference. Cellular always overrules Wi-Fi.

C. Try manually restarting your iPhone:

1. Go To: Settings
2. Select: General
3. Scroll to: the Very Bottom
4. Select: Shut Down
5. Slide Finger: to the Right
6. Wait: 30 Seconds
7. Power One: the iPhone
8. Try this Once More

 If you restart your device when you see "Security Lockout" on the Lock Screen, you won't be able to reconnect to a Wi-Fi network until your device is unlocked. Cellular devices will reconnect to a cellular network if you have active service.

FizziGig ~ Does your iPhone XS still have its original battery?

And what's the Maximum Capacity % here?...

Settings > Battery > Battery Health & Charging

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