Samsung Galaxy S21 icon Samsung Galaxy S21 Android 15 icon Android 15

Does Samsung Galaxy S21 work with Android 15?

Quick compatibility check between Samsung Galaxy S21 and Android 15.

Confirmed compatible
Samsung Galaxy S21 received Android 15 via the One UI 7 update.
This compatibility check covers Android 15 (major version 15). Minor version updates (e.g., Android 15.1) may have different compatibility characteristics.
High confidence · Updated May 2026
Check a different version? Samsung Galaxy S21 + Android 14 →

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Secondary signal

Have you tested this pairing?

Share what happened in your setup. Editorial research above remains the primary verdict.

0 works 0 does not work

Works
Yes
Confidence
High
Known issues
None
Workaround
Not needed

What works & limitations

  • All Android 15 core features
  • One UI 7 interface improvements
  • Enhanced privacy controls
  • Predictive back gesture
  • Health Connect improvements

Data & storage

Offline play
No — internet required

Results are based on publicly available data and aggregated user reports.

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Results are based on publicly available compatibility information and community feedback.