Use APKPure App
Get WiFi Setting Helper(OCR) old version APK for Android
Perfect for bothersome of you! Capture WiFi password with camera.
Do you have trouble setting your WiFi password at a hotel, internet cafe, etc?
This app copies password with camera and reads it with OCR.
When setting WiFi,
Settings → Wireless & Network → WiFi → SSID and Password Setting
It has to be set up in the procedure, but it will be easy to set up with this app.