The phrase "alternative mobile" is correct and usable in written English.
It can be used when referring to a different or substitute mobile option, such as a mobile device or mobile service.
Example: "In our study, we explored the benefits of using alternative mobile solutions for remote work."
Alternatives: "substitute mobile" or "different mobile".
Another company could try to find value in controlling an alternative mobile operating system.
They plan to build an alternative mobile network inside their well-defended bases, which local mobile-users will be able to "roam on" overnight.
The emergence of alternative mobile software platforms could give consumers more smartphone choices, and offer developers, wireless carriers, and handset makers options beyond Google and Apple.
As banks and other operators offer alternative mobile money and digital payment platforms, many hope competition will further drive down customer costs.
And to boost competition further, "alternative" mobile operators - such as supermarkets - will be able to offer roaming services alongside established companies, aided by rules allowing them to use other operators' networks in other member states at regulated wholesale prices.
Here's another quote from the press release from Mozilla: "Operators, OEMs, and developers are growing ever more interested in the emergence of a truly viable alternative mobile platform that offers them new economic opportunities independent of today's incumbents," said John Jackson, IDC's research vice president.
Chief constables have been told to ensure domestic abuse victims are given alternative mobiles if their telephones are seized.
We present the detailed design of an integrated, open and extensible architecture, by taking into account a variety of use cases and technical alternatives (mobile devices, fixed terminals).
Others see them providing an alternative to mobile phones.
Others see white-space as providing an alternative to mobile telephony.
Hydrogen is emerging as a future alternative for mobile and stationary energy carriers in addition to its use in chemical and petrochemical applications.
