How can I make my iPhone 4 battery last longer?

iOS 15 Battery Drain: 29+ Tips to Make Your Battery Last Longer

  1. Limit When and How Often Apps Access Your Location.
  2. Limit Apps Using Bluetooth.
  3. Turn on Low Power Mode.
  4. Use WiFi Whenever Possible.
  5. Activate Airplane Mode in Low Signal Areas.
  6. Make Sure Your Battery is Healthy.
  7. Manage Apps That Are Draining Battery.

Is there a battery saver on iPhone 4?

Low Power Mode reduces the amount of power that your iPhone or iPad uses when the battery gets low. To turn Low Power Mode on or off, go to Settings > Battery. You can also turn Low Power Mode on and off from Control Center.

How do I make my iPhone 4s battery drain so fast?

Try to reset your phone settings then check if the problem still occurs.

  1. Tap Settings from the Home screen.
  2. Select General.
  3. Scroll down to and then tap on Reset.
  4. Tap the option to Reset all settings.
  5. Enter your device passcode to continue then confirm all settings reset when asked.

Why is my iPhone 4 losing battery power so quickly?

A lot of battery drain issues occur when an app is supposed to close, but doesn’t. Instead, the app crashes in the background and your iPhone battery beings to drain without you even knowing it. A crashing app can also cause your iPhone to get hot.

How can I train my iPhone battery?

Store it half-charged when you store it long term.

  1. Do not fully charge or fully discharge your device’s battery — charge it to around 50%.
  2. Power down the device to avoid additional battery use.
  3. Place your device in a cool, moisture-free environment that’s less than 90° F (32° C).

How do I fix my battery drain fast?

Choose settings that use less battery

  1. Let your screen turn off sooner.
  2. Reduce screen brightness.
  3. Set the brightness to change automatically.
  4. Turn off keyboard sounds or vibrations.
  5. Restrict apps with high battery use.
  6. Turn on adaptive battery or battery optimization.
  7. Delete unused accounts.

How strong is iPhone 4 battery?

Apple formally reports that the iPhone 4 (GSM) provides 40 hours of audio playback, 10 hours of video playback, 14 hours of talk time on 2G, 7 hours of talk time on 3G, 10 hours of Wi-Fi internet use, 6 hours of 3G internet use, and 300 hours of standby time.