Hi sir,
Recently i have reinstalled the Instagram application because of more amount of data.
But after installing again it not proceeding the login blank page. It is like a black screen.
Please kindly help with is issue sir!!?
hello bro, this could be temporary problem. can you try accessing the same via mobile data? try restarting the phone once and then use mobile data and open instagram.
No sir
I have also restored my iphone after that also i am facing that issue sir
My contact number *********
Please call me sir
Please dont mind bro. Phone support is not possible for me. due to day time work and in between I answer the questions. Keeping all discussions public to help people in future coming with same problem to find solution. I hope you understand. 
For privacy reasons I also removed your phone number from above post.
Does the problem happening only with Instagram app? can you open Instagram website in safari browser and login with your account details and check?
Yes sir i can access for web like safari.
Only with instagram i am facing this issue
do perform “Settings - general - reset - reset network settings” once bro. then check if instagram works normally or not.