From time to time the screen of Sony Xperia Z4 remains black. This trouble can happen in several circumstances. Sometimes it happens after the Sony Xperia Z4 falls. Other times, the screen remains black after a start, lock, or sleep. Whatever the case, don’t worry, there are many techniques to resolve the black screen of your Sony Xperia Z4. For that, it will probably be essential to check several stuff before attempting the diverse solutions. We will see at first what things to verify when the screen of Sony Xperia Z4 remains black. We will see in a second time all the tricks in order to unlock this nasty black screen.
What should you check out when you have a black screen on Sony Xperia Z4
Before embarking on the tricks, we suggest you to check the things below to be able to better understand where the issue can form. This will provide you good clues of the nature of the issue.
Is the Sony Xperia Z4 LED on when the screen remains black?
One of the first stuff to check is the small led that is at the top of your screen. If perhaps the LED is red or blue when the Sony Xperia Z4 screen remains black, this means that the phone is turned on. In this instance, it is very probably that the issue comes from the screen.
Is the Sony Xperia Z4 charged?
Occasionally, a deep battery discharge prevents the Sony Xperia Z4 from turning on for some time. Be sure the Sony Xperia Z4 is entirely recharged by leaving it connected for at least one hour. If perhaps after that the LED does not illuminate and the screen remains black, the issue can possibly result from the battery.
Is the Sony Xperia Z4 damaged?
If the Sony Xperia Z4 screen remains black after shock, after falling , after being wet , or after breaking , the screen might be damaged. In this instance, not one of the techniques below will perform. You will then have to bring your Sony Xperia Z4 to a repairshop.
What you can do when ever the Sony Xperia Z4 screen remains black?
After checking that the issue comes from the screen, you can actually try the following ideas to unlock the black screen of your Sony Xperia Z4. If a method does not perform, look at the following one.
Plug the Sony Xperia Z4 into its charger
The very first thing to do when the screen of Sony Xperia Z4 remains black is to put the mobile phone on. This will make it feasible to be serene for all following manipulations. This also resolves the possible issue of a deep discharge of the mobile phone battery.
If you can, remove the battery from the Sony Xperia Z4
If the Sony Xperia Z4 is easily removable, we suggest you to remove the battery . This occasionally handles the black screen issue. Wait a couple of secs, then turn the battery back on and make an attempt to start the mobile phone. In cases where the screen is still blocked, look at the following step.
Remove SIM card and SD card
It occasionally happens, without explanation, that the SIM card or the SD card conflicts with Sony Xperia Z4 and causes a black screen. One of the techniques to try is to remove the SIM card and the SD card. When it’s done, you should try to start the telephone. In cases where it works, it implies there is a conflict with the SIM or SD card.
Force Sony Xperia Z4 to reboot
If the screen remains black, the issue often resolves with a forced reboot . To get this done, you must press several keys at the same time. You need to remain at least 10 secs for the forced reboot to work. The key combination is determined by the models but had to be one of the subsequent:
- low volume + power button
- low volume + power button + cough Home
- high volume + power button
- volume top + touch power + cough Home
- touch power + cough Home
Wait until the battery is empty
At last, if none of the previously mentioned solutions work, you can actually try to let your battery discharge. Ensure that the battery is entirely empty. When it’s finished, plug your Sony Xperia Z4 into its power adaptor and try to start the Sony Xperia Z4.
