Common iPhone Problems in 2026: Quick Solutions You Must Know

Whether it is the new iPhone 18 series or the old iPhone that has been used for a long time, it is inevitable to encounter some small problems in daily use, such as fast battery drain, system lag, and camera failure to work normally.

Many users encounter these problems, they will be at a loss, or even send them for repair directly, wasting time and money. Today, we have sorted out the 5 most common problems of iPhone in 2026 and the corresponding quick solutions. You don't need to send them for repair, you can solve them easily by yourself.

Problem 1: The iPhone battery drains quickly and needs to be charged multiple times a day. Solution: First, check if there are a lot of idle apps running in the background of the mobile phone and close unnecessary background apps.

Second, turn off useless location services and push notifications, reduce screen brightness, and turn on low power mode (in case of emergency); finally, calibrate the battery regularly (once a month, use the power to below 20%, then fully charge it).

If the battery health is below 80%, it is recommended to replace the battery. Apple's official battery replacement is safe and guaranteed.

Problem 2: The iOS system lags, and opening apps and switching pages is slow. Solution: Regularly clean up mobile phone cache and useless files (Settings-General-iPhone Storage, delete useless photos, videos and apps).

Turn off dynamic effects (Settings-Accessibility-Motion, turn off Reduce Motion); avoid opening too many apps at the same time and clean up the background in time; if it is an old model, do not upgrade to an excessively high version of iOS system, choose a system version suitable for your model to avoid excessive system burden.

Problem 3: The iPhone camera cannot be opened normally, or the photos are blurred and crashed. Solution: First, restart the mobile phone, many temporary faults can be solved after restarting.

Second, check if the camera lens is stained or blocked, and wipe the lens with a clean soft cloth; finally, check the camera permissions to ensure that the camera app has usage permissions (Settings-Privacy & Security-Camera).

If the problem persists, you can try to reset all settings (Settings-General-Transfer or Reset iPhone-Reset-Reset All Settings). Note: Resetting all settings will not delete mobile phone data.

Problem 4: The iPhone cannot connect to WiFi, or disconnects frequently after connection. Solution: Restart the mobile phone and router; forget the current WiFi and search for connection again (Settings-WiFi, click the "i" behind the WiFi name, select "Forget This Network").

Check if the router is working normally and switch WiFi frequency bands (try switching between 2.4G and 5G); if it is a public WiFi, check if you need to re-verify the account password.

Problem 5: The iPhone voice assistant Siri cannot be woken up or recognizes inaccurately. Solution: Check Siri permissions (Settings-Siri & Search, ensure that the "Hey Siri" wake-up function is turned on).

Re-train the Siri voice model (Settings-Siri & Search-Hey Siri Wake Up-Re-train); ensure that the mobile phone microphone is not blocked or clogged, and clean the microphone hole with a soft cloth; if the environmental noise is too loud, try using Siri in a quiet environment.

The above 5 problems are the most common ones encountered by iPhone users in 2026. The corresponding solutions are simple and easy to understand, no professional knowledge is needed, and you can operate them by yourself.

If you encounter more complex problems (such as mobile phone water intake, screen breakage, failure to turn on), it is recommended to send it to Apple's official direct store for repair in time to avoid secondary damage caused by self-disassembly.