LETV mobile phone 2 left button and middle button don t respond, what s going on?

There are many reasons why the middle case of LeEco's mobile phone did not respond.

For example: 1. It may be that the route connecting the middle button to the motherboard is short-circuited.

2. It may be that the running program is stuck during operation, and the button fails for a short time.

3. It may be the reason that the key is damp, resulting in a short circuit in the line.

4. It may be that the hardware facilities of the mobile phone button system are damaged.

5. It may be that the keys of the mobile phone are slow to respond due to insufficient memory of the mobile phone itself.

6. It may be that the motherboard of the mobile phone is damaged, resulting in the failure of all hardware systems of the mobile phone to operate normally.

The handling suggestions are as follows:

1. If the mobile phone button is short-circuited with the motherboard route, you only need to change the route.

2. If the mobile phone is not running and the memory is not full, resulting in sluggish keystrokes, the mobile phone may be cleaned up in all aspects through third-party software.

3. If the installed software is stuck, resulting in key failure, just force the shutdown and uninstall the program.

4. If the mobile phone is damp, you can disassemble the mobile phone and wipe the middle button with alcohol.

5. You can also factory reset your phone.

6. The above methods are not possible, it is recommended to send it to the after-sales store for maintenance.

Restart it first and try it if it doesn't work, it is recommended to restore the factory data, or if it doesn't work, there is a problem with the hard disk, it is recommended to find the manufacturer, you can return to the factory for repair.

There are two solutions to the fact that the three buttons under the LETV mobile phone cannot be used:

Go to the LETV after-sales maintenance center for maintenance; Noisy.

Use a hovering ball instead of three buttons in the settings.

The specific steps to use the hoverball to replace the following three button functions are as follows:

Under the main menu interface; Click Lift [Settings];

Click Accessibility;

Click [Hoverball];

Click to open the hoverball function;

Tap Gesture Menu;

Just turn on the function of the levitation ball.

The solution to the failure of the function key of the LETV mobile phone:

<> it is also possible that the phone is dead, it is recommended to turn it off and restart it.

Static electricity causes the touch screen to be insensitive.

If the touch screen is not sensitive during charging, it is generally caused by the unstable output voltage of the non-original charger, so it is recommended to change to the original battery for charging.

Tear off the thick protective film to see if it can be solved, and another way is to turn on the glove operation of the mobile phone, which is actually to improve the sensitivity of the screen.

How to set the return key is not responding:1Restart your phone; 2.Factory reset; 3.Turn on the "hovering ball" function of your phone, and you can also operate the return button function.

The steps to set up the levitation ball are as follows:

1.Click the "Settings" icon on the desktop of the mobile phone to enter the system settings of the mobile phone;

2.Find the "Accessibility" option in the system settings and click to enter;

3.In "Accessibility", find the "Hovering Ball" setting, and click to enter;

4.At the illustrated position, turn on the suspension ball switch, that is, change it to the illustrated form;

5.The transparency of the hovering ball can be set, and the current function of the hovering ball is above the position shown in the figure, which can be modified by clicking the "gesture menu";

6.In the "Gesture Menu" menu, you can change the function of flipping up, flipping down, flipping left, and flipping right, where flipping left is the return key operation.

Restart the phone to see if it can be normal, if you haven't reacted, you have to go to the after-sales service. If it's occasional, it may be that you haven't touched it yourself or the software is incompatible and the touch is abnormal. Nothing is a big deal.

1. Try restarting your phone.

2、Press and hold the power button until the phone vibrates and displays the LETV logo, let go,If the power button fails, it is recommended to press and hold the power button for 15 seconds,Check whether it restarts; After restarting, check whether it returns to normal.

Solutions to some other problems with LETV phones:

Fault 1: The touch screen does not work.

1. If the touch screen is not sensitive during charging, it is generally the unstable output voltage of the non-original charger that causes the touch screen to be ineffective;

2. The screen protector causes the touch screen to be insensitive;

3. The touch screen is not sensitive due to static electricity;

4. System software reasons;

5. Hardware failure;

Troubleshooting: 1. Replace the charger;

2. Tear off the thick protective film to see if it can be solved, and another way is to turn on the glove operation of the mobile phone, which actually improves the sensitivity of the screen;

3. The release of static electricity, contact the conductor, and guide away;

4. Keep the LETV mobile phone upgraded to the latest version of the system, backup data for factory reset or double clearing;

5. The after-sales point will be handled by professional and technical personnel.

Fault 2: Analysis of the cause of mobile phone crash.

1. There are too many programs running in the background, which occupies too much running memory, resulting in the system freezing and crashing;

2. Mobile phone poisoning;

3. The phone stores too much data or installs too many programs.

Troubleshooting: 1. Develop good habits and frequently clean up background programs; A reboot can serve the same purpose;

3. Mobile phones and computers are the same, do what you can, and it is impossible for a calf to pull a train. Install practical software, judge whether to install according to the machine, to ensure smoothness;

4. Some software bugs will also cause crashes, there are many examples, and engineers are generally needed to solve the problem, which can be feedback.

Fault 3: Automatic shutdown.

1. Caused by insufficient power;

2. Hardware failure.

Troubleshooting: The first thing to do when you get the phone is to check the power, and then turn on the test, the automatic shutdown or failure to turn on in the state of insufficient power or no power is easy to solve, just charge.

The most headache is the hardware failure, the motherboard power supply module is damaged, the fault can only be after-sales identification, we ordinary players have no way to start, but you can avoid such failures by using the original charger, not frequently plugging and unplugging, and using a reliable power supply.

This is a problem with the system, you can try the following ways to solve it:

1. Restart your phone;

2. Restore factory settings;

3. Recovery double-clear phone;

4. If the above methods still cannot be solved, you can only go to the after-sales service center for maintenance.

How to restore the factory settings of LETV mobile phone:

LeTV junk phone,Mine is the same as you,Less than a month,Congratulations on your breakage。

Mine is also sometimes like this not LeTV can be returned with the arrow in the upper left corner.

I'm also the same with my newly bought Le max.,I just went back today.,The return button is not lit when you press the light.,It's good to knock and shake.。

1.Click the "System Settings" icon on the desktop of the phone to enter the system settings of the phone.

2.Find the "Accessibility" option in the system settings and click to enter;

3.In "Accessibility", find the "Hovering Ball" setting, and click to enter;

4.At the illustrated position, turn on the suspension ball switch, that is, change it to the illustrated form;

5.The levitation ball can be set to transparency, and above the position shown is the current function of the levitating ball. Click on the "Gesture Menu" to make changes.

6.In the Gesture Menu menu, you can flip up, down, left, and right.

The three buttons under the LETV phone are out of order, you can try to upgrade the firmware or go to the phone maintenance point for repair.

Steps to upgrade the firmware:

3.Rename the update firmware package.

4.Click on the options that pop up and select Upgrade.

5.There is a progress bar during the upgrade process, please wait patiently for the progress bar to finish, and the phone will automatically restart after completion.

There are two solutions to the following three buttons of LETV mobile phone that cannot be used:

1. Go to the LETV after-sales maintenance center for maintenance.

2. Use the levitation ball to replace the function of three buttons in the settings.

The specific steps to use the hoverball to replace the following three button functions are as follows:

3. Click [Settings] under the main menu interface.

4. Click [Accessibility];

5. Click [Levitating Ball] to open the Levitating Ball function.

6. Click [Gesture Menu];

7. Turn on the function of the levitation ball.

It is recommended to rule out the system software first, and then restart the recovery system, if there is still this problem, it is recommended to go to the repair point to see if it is a hardware problem, if this kind of problem occurs occasionally, you can refer to the method:

1. Shuangqing data can solve such problems;

2. Resuming the appearance setting can solve such problems;

3. Flashing the machine should be able to completely solve the problem;

4. If none of the above methods are effective, it is recommended to send it for repair.

5. Use the levitating ball to temporarily replace the following three button functions!

The hovering ball can't be used.,It's gone at one point.,The three main keys at the bottom are broken as soon as they're knocked out.,There's no one.。

There are two solutions to the following three buttons of LETV mobile phone that cannot be used:

Go to the LETV after-sales maintenance center for maintenance;

Use a hovering ball instead of three buttons in the settings.

The specific steps to use the hoverball to replace the following three button functions are as follows:

Under the main menu interface; Click Settings;

Click Accessibility;

Click [Hoverball];

Click to open the hoverball function;

Tap Gesture Menu;

Just turn on the function of the levitation ball.

Hello, in this case, it is recommended that you return to the factory directly to find after-sales repair, if the three keys can not be used, there is no way to solve your troubles.