refacción Xiaomi Redmi Note 4X - Guía de reparación del escáner de huellas dactilares

This video shows you how to replace the broken fingerprint scanner of Xiaomi Redmi Note 4x.
Get fingerprint scanner of Xiaomi Redmi Note 4x from
https://witrigs.com/d9iav

Do I have to add glue? It's a bit expensive.. If I don't use any will there be any problem?

hello my sensor passes the test but still is not responding any ideas?

bhi fingrprint ki care ma varnthi nhi h kya

is it necessary to add glue? its a bit expensive to buy. could you please tell an alternate?