1. Bulging Battery:

If you notice that the battery of your iPhone 12 Pro Max is swollen, this is a critical sign that the battery needs immediate replacement to avoid potential hazards and ensure the device’s safety.

2. Rapid Battery Drain:

Should the battery of your iPhone 12 Pro Max deplete unusually quickly under normal usage conditions, it suggests that the battery’s efficiency has declined significantly. Replacing the battery can help restore optimal performance.

3. Charging Issues:

If your iPhone 12 Pro Max does not charge despite being plugged into a power source, it usually indicates a problem that might require battery replacement or repair of the charging system to ensure it functions correctly.

4. Unexpected Restarts:

Frequent, unexplained restarts of your iPhone 12 Pro Max could point to underlying battery issues or other hardware problems needing professional attention.

5. Battery Age:

Like all batteries, the one in your iPhone 12 Pro Max will degrade over time. If you notice a significant drop in performance as the battery ages, replacing it can greatly enhance your phone’s overall functionality and longevity.