README.md

## m21nsxx-user 12 SP1A.210812.016 M215FXXS3CWF1 release-keys
- Manufacturer: samsung
- Platform: universal9611
- Codename: m21
- Brand: samsung
- Flavor: m21nsxx-user
- Release Version: 12
- Kernel Version: 4.14.113
- Id: SP1A.210812.016
- Incremental: M215FXXS3CWF1
- Tags: release-keys
- CPU Abilist: arm64-v8a,armeabi-v7a,armeabi
- A/B Device: false
- Treble Device: true
- Locale: en-GB
- Screen Density: undefined
- Fingerprint: samsung/m21nsxx/m21:12/SP1A.210812.016/M215FXXS3CWF1:user/release-keys
- OTA version: 
- Branch: m21nsxx-user-12-SP1A.210812.016-M215FXXS3CWF1-release-keys
- Repo: samsung/m21