Samsung
Samsung Galaxy S21
Released 2021 · launch price $799 · refurbished today ~$230
Samsung promised 4 years of OS + security updates from launch.
Software support
updates ended ~2025No more security updates — repairs won't extend the software lifespan.
Common faults & repair costs
Cracked or broken screenshop $95–$140Battery (drains fast / won't hold charge)shop $40–$60Charging port (won't charge / loose cable)shop $50–$75Cracked back glassshop $80–$120Camera (blurry / won't focus / black)shop $65–$95Water / liquid damageshop $105–$150Speaker or microphone not workingshop $40–$60Won't turn on / no powershop $95–$140
Considering an upgrade? See the Samsung Galaxy S23.