What are the most common Samsung Galaxy S21 problems?

The most common Samsung Galaxy S21 issues are charging port issues, screen damage, water damage. These are based on real repair data and typically occur at different points in the device's lifespan.

How long does a Samsung Galaxy S21 typically last?

A Samsung Galaxy S21 typically lasts about 4 years with normal use. The manufacturer warranty covers the first 1 year.

When does charging port issues typically happen on a Samsung Galaxy S21?

Charging Port Issues typically occurs around 1 years of use. Estimated repair cost is approximately $79.

Samsung Galaxy S21: Common Problems by Age

When your samsung galaxy s21 is most likely to develop issues, based on community repair data and manufacturer patterns.

Released: 2021Typical lifespan: 4 yearsRepairability: 3/106 known failure types

Last updated: May 3, 2026

Overall Risk by Age

0y1y2y3y4y5y6y

LowModerateHighImminent

Key Milestones

🛡

Warranty ends

1 year

⏳

Typical lifespan

4 years

📱

Software support ended

2025

Known Failure Points

Problems that can appear early, often due to manufacturing defects or initial wear.

Charging Port Issues

USB-C port accumulates debris or wears out from daily plugging and unplugging. Lint compaction in the port is the most common cause of intermittent charging.

moderate

Probability over timePeak: 20%

0 monthsPeak: 1 year2 years

Affects: 20% of devices

Repair cost: ~$79

DIY: Professional only

Warning signs:

Loose charging connection
Need to angle or wiggle cable to charge
Intermittent charging — connects and disconnects
Slow charging despite using original charger

Screen Damage

Cracked or damaged AMOLED display from drops. Dynamic AMOLED screens are thin and fragile despite Gorilla Glass protection. Curved-edge models are more susceptible to damage from angled drops.

major

Probability over timePeak: 32%

0 monthsPeak: 1.5 years4.8 years

Affects: 32% of devices

Repair cost: ~$279

DIY: hard

⚠️ Safety risk

Warning signs:

Small cracks appearing after a drop
Touch sensitivity issues in certain areas
Display discoloration or bleeding from edges
Dead pixels or lines on screen

Water Damage

Water intrusion despite IP68 rating. Samsung's water resistance degrades with age and physical damage. The SIM tray seal and speaker grilles are common entry points. Saltwater and pool water are significantly more corrosive than fresh water.

critical

Probability over timePeak: 12%

0 monthsPeak: 1.5 years4.3 years

Affects: 12% of devices

Repair cost: ~$399

DIY: Professional only

⚠️ Safety risk

Warning signs:

Phone was dropped in water or exposed to heavy rain
Speaker sounds muffled or distorted after exposure
Screen flickering or ghost touches
Charging port shows moisture warning

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