For being a Snapchat users, after update your iPhone to iOS 11.2 beta, or iOS 11.1/11.0.3, have you meet with the situation that when open Snapchat, it shows "Could Not Connect" and "Please check your connection and try again"?
In fact, this bug has exist for a long time, but it still keeps coming with every version of iOS system. So, how to fix Snapchat could not connect when logging in after iOS 11 update? Follow this article, and you will find answers.
Keep an app up to date it a very important thing for users to do. There would be a lots of fixes for the old bugs and problems.
If you are not using the latest version of Snapchat you are more likely to run into problems sending snaps, app crashes and other issues.
For that Snapchat show there is problem on connection, thus users can check whether the network of your iPhone is workable or not. Users can easily test it by using other apps.
If you find you could not use other apps as well, we suggest you to reset the network settings of your iPhone/iPad/iPod.
Go to: Settings >> General >> Reset >> Reset Network Settings.
After your iOS device restart, you can then try again to use Snapchat.
In the compatibility information of Snapchat in App Store we can find, it shows us "Requires iOS 9.0 or later." But sometimes, there are a lot of apps which are not compatible with iOS 11.
Thus, we suggest you try to downgrade the iOS system of your iPhone 7/7 Plus/SE/6s/6/5s to iOS 10.3.3/10.3.2.
What you need is a freeware, Tenorshare ReiBoot, which can help to easily downgrade iOS 11 to iOS 10.3.3/10.3.2 and also can help you fix all iOS stuck with only one click.
First, download and install Tenorshare ReiBoot to your PC/Mac. Launch the program and connect your iOS device with. Click "Fix All iOS Stuck" and "Repair Now" on the menu.
Then, download the firmware Tenorshare ReiBoot provide or import those you have already saved and start to downgrade the iOS version of your iPhone.
After the process is done, you will find your iOS device go back to the old version of iOS 10.3.2/10.3.3 without any data loss. And you can check whether the Snapchat connect error exist or not.
That's all about how to fix Snapchat "Could Not Connect" error 2017 after iOS 11 update. You will sure get the best solution in this article, besides, if your iPhone meet with other problems with Snapchat, you can also try to fix by using the above three solutions.