Does your screen look something like this?
![I'm getting a black blank screen. What should I do?](assets/images/photo/blankscreen1.png)
![I'm getting a black blank screen. What should I do?](assets/images/photo/blankscreen2.png)
This means the CAMERA access to your default BROWSER is denied. Please follow the steps below to Allow camera access.
i. Go to Settings → Safari
![Step1](assets/images/photo/apple1.png)
ii. Scroll to find "Camera" under SETTINGS FOR WEBSITES section
![Step2](assets/images/photo/apple2.png)
iii. Tap on Camera option and you will be navigated to CAMERA ACCESS ON ALL WEBSITES. Tap on "Allow" option.
![Step1](assets/images/photo/apple3.png)
i. Go to Settings and tap on Apps
![Step1](assets/images/photo/ad1.png)
ii. Scroll to find your default browser app. Mostly it is Google Chrome for Android device, unless explicitly changed.
![Step2](assets/images/photo/ad2.png)
iii. Chrome → Permissions will show you what is enabled. Camera permission need to be enabled here.
![Step3](assets/images/photo/ad3.png)
iv. App permissions will show what is allowed and what's denied.
![Step4](assets/images/photo/ad4.png)
v. Tap on Camera to Allow camera permission to Chrome.
![Step5](assets/images/photo/ad5.png)