"iPhone 17 Pro Max Wi-Fi drops from 150 Mbps to 20 Mbps over time: when first turned on I get my full WiFi download speed of 150mb but over the day this drops to around 20mb I have forgotten network and re signed in still slow the only way I can pick the speed back up is a soft reset any help on resolving this or anyone else having the same issue"
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Troubleshooting Slow iPhone WiFi:
Five Thoughts:
A. Clear Temporary Internet Files:
If Safari is slow, try clearing out your Temporary Internet Files: History, Cache, and Cookies
Go Here: Clear your Safari browser history and set up content blockers on your iPhone, iPad, or iPod touch
B. Try manually restarting your iPhone:
- Go To: Settings
- Select: General
- Scroll to: the Very Bottom
- Select: Shut Down
- Slide Finger: to the Right
- Wait: 30 Seconds
- Power One: the iPhone
- Try this Once More
C. Is Cellular Data ALWAYS Enabled?:
Cellular Data always overrules Wi-Fi. So, if applicable, disable Cellular Data, if enabled and see if you get Wi-Fi to work as intended.
D. Troubleshooting Connectivity:
Wi-Fi: If your iPhone won’t Connect to a Wi-Fi Network - Apple Support
if nothing above works...
E. Reset All Network Settings to Default:
Example of items that will be reset: (Wi-Fi Passwords, VPN Connections, etc)
- Go To: Settings
- Tap: General
- Tap: Reset
- Tap: Reset Network Settings.
- Enter: [Your Passcode]