If you are looking for particularly a BLU smartphone with 128 GB storage then you should go for those mobiles which have good inbuilt storage to feed your needs.
BLU 128 GB Storage Phone:
So, if you have searched for "BLU 128 GB Storage Phone" or your question "is there any BLU phone with 128 GB inbuilt storage", then your answer will be the BLU G9 Pro.
A number of mobile phones have been launched with 128 GB storage by BLU.
Let's check them out it here -
BLU G9 Pro:
You can choose BLU G9 Pro [Amazon BuY NoW], which infact is the only phone under $200 to come up with such storage capacity.
This smartphone has redefined $200 flagship phones.
BLU G9 Pro Storage Capacity: 128 GB Inbuilt storage
BLU G9 Pro Memory Card Support: Up to 128 GB, micro SD card slot
The latest flagship launched in June 2022, the S91 mobile phonehas 128 Gb storage inbuilt capacity. The S91 Pro too has that storage capacity.