I created New Token with Download:read permission at https://console.mapbox.com/account/access-tokens.

1. Add new genereted secret key to app.json 0r app.config.js -> "plugins": [ [ "@rnmapbox/maps", { "MAPBOX_TOKEN" } ] ]

2. add MAPBOX_DOWNLOADS_TOKEN to gradle.properties -> MAPBOX_DOWNLOADS_TOKEN= MAPBOX_TOKEN

3. add mapbox authentication to build.gradle->Allprojects -> repositories:

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4. Run "npm run android" and app will be installed in emulator/android device/