Updates as of now :
16 Feb 2024 : Mailed I-751 by USPS
20 Feb 2024 : Delivered
22 Feb 2024 : Checked website uscis and it says received
23 Feb 2024 : Text Message
26 Feb 2024 : Money order cashed
27 Feb 2024 : Extension letter and reuse biometric letter available online (Nebraska services center)
27 Feb 2024 : Case is being actively reviewed by USCIS