Samsung SM-S921B
More durable than 45% of the 1,036 smartphones on the EU register, judged on battery life, charge cycles, drops, repairability and years of updates.
- Durability score
- 37 / 100
- Better than 45%
- Battery per charge
- 49 h
- Typical 3,408 min
- Repairability
- B
- Index 3.16 of 5
Mid-table for durability: 37 out of 100, close to the typical 38. Class A is the best class any model in this group reaches. Its strongest point is charge cycles; its weakest, against comparable devices, is battery life. Samsung has 31 models in this group; this one is number 11 among them. Samsung sells the same label values under other model names: SM-F731B, SM-F741B. Registered in Oct 2026, one of the newer models in its group.
Where it stands
Rank 529 of 1,036 smartphones by durability score.
Next to it in the ranking
- Samsung SM-F731B 37 /100
- Samsung SM-F741B 37 /100
- Samsung SM-S921B 37 /100
- Redmagic NX819J 36 /100
- Oukitel C18 Ultra 36 /100
Durability profile
Battery per charge
Charge cycles to 80 %
Drops survived
Repairability index
Software updates
Label and product sheet
- Energy class
- A
- Battery endurance per full charge
- 49 h 00 min
- Battery lifespan
- 1,200 cycles to 80 %
- Battery capacity
- 4,855 mAh
- User-replaceable battery
- no
- Drop resistance
- A · 270 falls without defect
- Repairability
- B · index 3.16
- Software updates (minimum)
- 5 years
- Dust and water protection
- IP68
- Guarantee (supplier)
- 5 years
- Spare parts (minimum)
- 7 years
Model numbers and history
Registered by Samsung under one model number.
SM-S921B
- First published in the EU register (EPREL)
- Placed on the EU market
Questions
How durable is the Samsung SM-S921B?
Its durability score is 37 out of 100: better than 45% of smartphones on the EU register.
How long will it get updates?
The supplier commits to at least 5 years of operating system updates after the model leaves the market.