Save files and Applications on iPhone/Android only with knowing the Phone Number

Project Title: Save files and applications on iPhone/Android using phone number

Description:
I am looking for a developer who can create a service that allows users to save files and applications on their iPhone or Android devices using their phone number. For a Phone Network sharing files.

Ideal Skills and Experience:
- Strong knowledge of iOS and Android development
- Experience with file management and storage
- Familiarity with phone number authentication
- Understanding of security protocols for data storage
- Ability to create a seamless user experience without a user interface
- Strong problem-solving skills

Requirements:
- The service should allow users to save various types of files, including images, documents, and videos
- Users should be able to save the files directly to their phone's internal storage
- The service should not require a user interface
- The files and applications should be securely stored and accessible only by the user

If you have the required skills and experience, please submit your proposal.