How to make your iPhone or iPad choose the right Wi-Fi networkStill connecting to the spotty Wi-Fi downstairs when you want to auto-connect to your router? Try this!
Automatically connecting to local Wi-Fi can be a fickle business. How does your iPhone choose which network it automatically latches onto, and why?
If you're constantly connecting to a network you'd rather not, there is something you can do about it, but it'll take a little bit of time.
How does the iPhone choose a Wi-Fi network
How to make your iPhone or iPad choose the right Wi-Fi network
How does the iPhone choose a Wi-Fi network
Your iPhone or iPad already has a built-in, preprogrammed hierarchy when it comes to choosing a Wi-Fi network to connect to. It evaluates "service set identifiers" (SSIDs), and then chooses which network to join in the following order:
Your "most preferred" network
The private network you joined most recently
Any other private network
A public network
How does iOS determine where Wi-Fi networks rank?
According to Apple, iOS gives a "score" to your...
Source:
How to make your iPhone or iPad choose the right Wi-Fi network