My previous phone has almost 90GB so how time need to transfer this data to new iphone

Hello Maaan1272,

Thank you for using Apple Support Communities.

We understand that you have almost 90GB on your old phone and want to know how long to transfer to new phone. This is a very difficult question to answer, as it depends on how much data you are transferring, the speed of the connection, the reliability of the connection, etc. This article provides the different methods to transfer the data between old and new iPhones. Of these options, the Quick Start method is typically the fastest.

Transfer data from your previous iOS or iPadOS device to your new iPhone, iPad, or iPod touch - Apple Support

Best regards.