Keep one old phone offline with a modded APK for messing around, and play the legitimate version on your main phone for multiplayer.
Play the game legitimately via the "Career Mode" or wait for a "Boss Hunt" event to earn exclusive blueprints for free. The risk of a hardware ban is not worth a few minutes of fake offline driving.
A small community of developers has reverse-engineered very old versions of the Asphalt 9 engine to run locally.
: They typically include a full Career Mode (approx. 900 races) and a "Blueprint Shop" for unlocking cars without microtransactions.
The transition from Asphalt 9 to Asphalt Legends Unite introduced stricter server-side verification, rendering traditional offline save mods obsolete for legitimate gameplay.