During the daily use of iPhone, we may meet with all kinds of problems. Currently, 3uTools collects some iPhone’ s basic hardware issue and its solutions for you, hope this tutorial would be helpful.

* iPhone screen shows write strips?

This kind of problem usually occurred on iPhone 6 Plus, iDevice’s Touch IC (integrated circuits) may have some problems.

* Touch ID can’t read and get fingerprint?

You’re suggested to flash your iDevice using 3uTools. If this problem persists after flashing, you need to change a back-plane for your iDevice and then try to flash it again.

* iPhone is fully charged, but it’s electricity decreases to 60% or 70% rapidly?

You're suggested to change a new battery for your iDevice. This problem usually occurs on iPhone 6, iPhone 6s.

* iDevice has a weak WiFi signal?

You’re suggested to change or reinstall WiFi cover.

* I can hear other person's voice while I'm on the phone, but they can’t hear my voice?

This problem is caused by the telephone transmitter, try to change a new one. If the problem persists, you need to change sensillum opticum.

* iPhone is hangup automatically?

This problem is caused by the telephone transmitter, hold the hole at the top of your iPhone, if iPhone’s screen doesn’t become black, you just need to change a new transmitter for your iPhone.

* I can’t hear other’s voice clearly on iPhone?

iPhone’s receiver may exist problem, you’re suggest to ask help from iPhone repairer.

* When i talk with someone on the phone, i can hear some noises?

iPhone’s receiver may exist problem, you’re suggest to ask help from iPhone repairer.

* iPhone’s screen shows some lightspots?

Press this lightspot and check the color of other lightspots. If the color of other lightspots changed, that mean the screw at the bottom of your iPhone may come off.  If the color of other lightspots not changed, you need to change a back-plane for your iPhone. If the problem persists, you need to change the whole screen.

* iPhone has no sounds, but it isn’t in silent mode?

If your iDevice is filled with water, this problem may occur. You need to press volume button to check if iDevice shows ringtone mode or headphone mode, if it shows headphone mode, you need to change the hardset of your iPhone.