How to reboot your phone if the sensor doesn't work

If you are faced with the problem that your smartphone has become slower, freezes periodically, is buggy, or refuses to respond to touches, be sure to read the article. Here we will look in detail at how to reboot a phone based on Android, iOS and Windows.

The step-by-step instructions are universal and suitable for all models and brands: iPhone, Windows Phone, Alcatel, Asus, Lenovo, Meizu, Philips, Nokia, Oppo, Phillips, Prestigio, Sony Xperia, HTC, Samsung, Xiaomi (Redme), ZTE, BQ, Vertex, Micromax, Umidigi, Oukitel, Texet, Leagoo, Dexp, Doogie, Huawei (Honor), HomTom, etc. There may be minor differences in interfaces due to versions of Android, iOS and Windows.

The main reasons why Android smartphones freeze

Most often, a poor-quality OS update or an overload of internal and RAM memory occurs. More details about the existing reasons can be found below:

1. Demanding applications. Based on the principle of operation, the operating system of a smartphone resembles a computer, since the device is capable of running any kind of application - editors, games and office programs. Basically, all gadgets support such applications, but cheaper models have hardware that is poorly responsive to the requirements of programs. To complete the task, a weak smartphone will have to use all its resources, and this leads to rapid overheating and, consequently, slowdown. Demanding games should be avoided.
2. Software update. When a new version of the operating system is installed, old files are replaced with newer and more powerful ones, but difficulties may arise during the process. For example, a weak smartphone may freeze or turn off completely, after which you will have to reflash the device. It is important to have a fully charged battery and sufficient internal memory, as the update may fail.
3. CPU overload or RAM shortage. Many users, after purchasing a device, immediately begin installing a lot of applications that load RAM. When the used memory threshold exceeds the limit, the system begins to reduce performance to ensure the functionality of all programs. To avoid this problem, you should check applications that are running in the background.
4. Negative environmental influences. Many people know that water has a detrimental effect on the performance of a mobile phone. However, liquid is not the main enemy of electronics, since elementary dust or sand can damage the internal components of the device. After small dust particles enter, microcircuits may lose communication with each other due to damage to the contacts. Water oxidizes important electronic components, so the phone will not be repairable. Also, a simple fall from a small height can damage the phone over time. After impacts, elements on the board most often peel off from the surface, which will lead to a sudden shutdown of the system.
5. System errors. It is not recommended to install programs on top of the operating system that regularly generate errors. It is necessary to monitor the state of the system, since each OS is a set of closely interconnected services that provide a consistent solution to the assigned tasks. Consequently, if the integrity of one program is violated, this will cause a sharp decline in all others.
6. Installing ROOT rights. Many users want to gain access to administrator rights, which will allow them to master an expanded list of smartphone capabilities. For example, you can independently improve performance in games, edit system folders and files, disable annoying ads in the browser, deactivate and delete standard applications, and also move programs to an external memory drive. Obtaining administrative rights in a smartphone can have a detrimental effect not only on the efficiency of the system, but also on the performance of the phone as a whole. When obtaining ROOT permission, many system files are overwritten to copies with different settings.
7. Virus programs. Android OS is considered an open source system, which means that every user can install any application they want. As a rule, most attackers use open access and place malicious programs on the Internet that can be downloaded to the phone by simply clicking on an advertising banner. In addition to slowing down the system, the virus program is capable of hacking personal data and stealing money from a bank account and mobile phone number. Some malware is specifically designed to earn cryptocurrency.
8. External storage. Budget smartphone models do not always support large memory cards, so after connecting the drive to the slot, the device system may freeze. This also happens due to a broken flash drive, the contacts of which are frayed or completely damaged. The phone will try to read the information, but each time the attempt will fail.

Physical reasons why the sensor does not work

Let's look at the main troubles that can happen to your phone:

Water getting inside

Most modern phones are well protected from moisture, but prolonged exposure to a humid environment or direct contact with water is guaranteed to cause malfunction.

Screen dirty

Various stains and scratches reduce the quality of sensor reception. Especially dangerous are greasy stains that cover the screen with a film that blocks the sensitivity of the device.

Oxidation of compounds

After water gets on smartphone chips, poorly dried contacts can oxidize, which leads to blocking the conductivity of connections on the boards.

Incorrect protective film sticker

If the application technology is not followed, the film may block or reduce the sensitivity of the screen.

Sudden change in temperature

Mobile devices do not have reliable thermal insulation, and therefore any microcircuit, including a sensor, can suffer from rapid changes in the external environment.

Mechanical damage

Falling a smartphone, after which the screen does not work, can lead to sensor failure.

Disabling methods common to all Android phones

Regardless of the model and manufacturer of the mobile phone, emergency shutdown methods are suitable for each device. Of course, when the situation is not too serious, you can use the standard procedure of rebooting the gadget via the power button. However, there are times when the device does not respond to given commands at all. Then you will have to use a secret weapon that will neutralize any mistake.

Reboot without using the power button

In the official Play Market store you can find specialized applications that will allow you to manually change the power key from the usual one to one of the volume control. Another option involves using the accelerometer to disable the system. In the service settings, you can set any gesture that will help deactivate the device. However, expert opinion strictly does not recommend using such programs, since the system suffers from it twice as fast.

Battery completely discharged

Another effective way to turn it off is to wait until the battery is completely discharged. Of course, this may take a long time, especially if the battery capacity is really large. But when other methods fail, a full discharge will solve the reboot problem.

Hard reset

Rebooting is not a very useful option for a mobile phone, since in this case all data from the device is completely erased. A hard reset allows you to return the phone to its original state (factory). This method is recommended for use in emergency situations. To perform a factory reset, you can use the internal system settings. After the procedure, the phone turns off and a complete reboot begins.

Recovery

For an emergency reboot, you can always use the recovery menu. When a normal shutdown does not work, recovery will do the job perfectly. To do this, you will need to simultaneously hold down the power key and the volume rocker (the direction arrow depends on the manufacturer). After a few seconds, a black screen with a green man will appear in front of the user, after which a small menu with commands will open. To select the desired function, you need to scroll to the “Reboot” button. To activate, press the battery.

Using special software

Situations often arise when a smartphone with a non-removable battery freezes and does not respond to pressing the power key. In these circumstances, specialized software and a computer can help. For example, take the MOD Rebooter program, which provides full access to control your smartphone through the computer system. To do this, you will need to synchronize your smartphone with your PC via a USB cable and launch the program. The drivers will initially be installed, after which the user will see a window with a list of available functions. The application's working panel provides several options for solving the problem:

• launching recovery tools;
• reset to original settings;
• rebooting the smartphone.

Reboot without losing information

The most reliable reboot method is to use the standard power button. You will need to press and hold the button for a few seconds until the screen goes dark. Of course, if the restart occurs while the phone is frozen, then the procedure may take much longer, but the personal information will remain intact.

How to fix if your device is physically damaged

Next, we will look at ways to test the screen and restore it.

TSP Dot Mode and TSP Grid Mode tests

To conduct this testing, you need to get into the engineering menu. To do this, dial the service code. It may be different for different phone manufacturers and models, try these options:

In the engineering menu, find two positions:

1. TSP Dot Mode - allows you to check the screen in “dot mode”. There should be a cross in the place where you touch the display.
2. TSP Grid Mode - testing takes place in “grid mode”. The screen is divided into several rectangular parts. When a particular rectangle responds to touch, its color will change.

This testing will tell you where the problem is on the screen.

The developers do not recommend trying to repair the phone yourself, as this requires certain knowledge and experience.

"Tapping" along the perimeter of the screen

This is the easiest way to test the display, which does not require installing programs or other complex manipulations. Simply press your finger gently across the entire surface of the display, especially in problem areas. Start with light pressure and gradually increase. Then gradually reduce the pressure.

Launch the keyboard and press each key. Try moving application shortcuts across the entire screen. At the same time, pay attention to the sensitivity of each section of the display. Linger on the corners of the display, focusing on the bottom. Such testing will give you all the information about the sensitivity of the touchscreen.

Dry after exposure to moisture

If your smartphone gets wet, follow these instructions:

• turn off the power;
• remove the battery (for devices with a removable battery);
• remove the SIM card and flash drive;
• wipe the device with paper napkins or a cloth that absorbs moisture well;
• remove headphones, cases, film or glass from the screen;
• place the smartphone in a bag filled with rice. Leave the device in this position for 12 hours. During this time, the cereal will draw out all the liquid from the phone.

If the rice procedure does not give the desired effect, contact the service center.

Check the cables

A problem with the cable can be determined even without disassembling the phone. Sensor malfunctions are one of the signs of such a problem. Pay attention to the following signs:

• the smartphone began to “slow down” during operation;
• the device turns off when you unlock it;
• The camera malfunctioned.

If, in addition to the problems with the sensor, the above problems also appear, then there is definitely a problem with the cable. But you shouldn’t repair it yourself, since this requires a good understanding of the smartphone’s structure.

Replacing the sensor

If your smartphone does not use OGS technology, you can try replacing the sensor yourself. To do this you will need the following tools and devices:

• a set of small shaped screwdrivers (available on sale especially for smartphones);
• mediator, spatula, plastic card;
• silicone suction cup with ring or loop;
• regular hair dryer;
• glue B-7000 or equivalent;
• thin rubber gloves.

1. Disassemble your smartphone.
2. Warm up the display with a hairdryer around the entire perimeter to a temperature of about 70-80 degrees. Use a suction cup to pick up the heated screen and pull it off the body.
3. Install a new sensor. Prepare it by removing the protective film from the inside. Apply a thin layer of glue over the entire area of ​​the seating surface. Place the sensor in place and press it gently. You can place a small, flat object weighing no more than 300 g on top of the screen so that it sticks better.
4. You can collect the phone. Connect the cables, fix the internal threaded connections and install the external parts of the housing.

If you are not sure that you can cope with replacing the sensor yourself, take the phone to a service center. Repairing the device yourself will void the smartphone warranty.

How to turn off a phone with a non-removable battery

The main advantage of smartphones with a removable battery is that rebooting them is much easier and faster by removing the battery. Of course, this method can hardly be called safe, but it is effective in emergency situations. As for modern smartphones, it is problematic to perform this procedure with them, since the design provides for a non-removable type of battery. Therefore, it will not be possible to open the back cover and remove the energy block. To reboot such devices, you will have to follow the following instructions.

Shutdown Apple iPhone

In terms of the principle of operation, disabling Apple phones is practically no different from the procedure with competing Android smartphones. The only caveat is that you will have to hold the button on the phone a little longer than on other mobile devices. After holding it for 15 seconds, the smartphone should reboot. Older iPhone models have this key on the top cover, while new ones have an element on the side panel.

When the standard method does not help, then you can resort to an emergency shutdown. To do this, you will need to press the Home button and the Power key. Hold until forced reboot.

This principle only works on older iPhones. On newer models, you need to press the volume control rather than the Home button.

Turn off Sony

To turn off Sony phones, you can use two methods:

1. Press the small key, which is located under the rubber plug, using a thin object.
2. By pressing the power button and volume control with the up key. The combination must be held for 10 seconds.

If you have HTC

On HTC smartphones, the shutdown procedure only involves using several buttons: volume down and the power key. Just first you need to press the volume down, and then perform the specified combination. You need to hold the buttons until the device vibrates.

For owners of Samsung gadgets

Old-style Samsung gadgets are equipped with a physical “Home” key, which is located at the bottom of the front panel. This is the key element needed to reboot your smartphone. Otherwise, you will need to simultaneously press the volume down button, the power key and the “Home” key, after which the system will turn off.

You should hold the combination until an image with an android appears on the screen. As for modern models, they are restarted using a combination: volume down and power key.

For other models

A forced reboot on devices from other manufacturers is practically no different from the options listed above.

The restart combination involves using the power key and volume rocker. Of course, the direction of the arrows depends on the device manufacturer, but some models from the same manufacturer may have a modified reboot formula. To achieve the desired result, several combinations should be used.

Method 3: Hold two buttons

Most modern devices come with a non-removable battery, which does not allow you to turn off the gadget simply by removing the battery. Then the method of holding two keys comes to the rescue. It is very simple and works on all popular phones.

The principle of its operation is based on simultaneously pressing the volume and power buttons . Once done, the device should turn off and on automatically. Of course, this method has one huge drawback - if the necessary keys break, you will not be able to restart the gadget.

Useful tips

To avoid freezing on any mobile device (most relevant for Android), you can follow a number of recommendations. You can read more about the appearance of lags and unstable system operation in our article “Why Android phones slow down.”

And we talked about the tips and ways to speed up your smartphone here. After reading the material and following our recommendations, you will definitely notice the result. And for owners of an inexpensive and weak device, this will be a real must-have.

Source

5 tips to prevent Android from freezing in the future

To avoid errors and failures in subsequent work with the phone, we recommend that you familiarize yourself with these useful tips:

1. Clean up space on your device in a timely manner. Crowded memory is the main reason why applications freeze.
2. Check your gadget regularly for viruses. If there are Trojan programs, the smartphone works much slower.
3. Avoid sudden temperature changes. In cold or extreme heat, the phone may begin to slow down and even freeze.
4. Try not to drop the tablet. If such a weighty device falls, internal parts may be damaged , which will lead to malfunctions and errors in operation.
5. Do not install complex programs on a “weak” phone.

Using these recommendations, you can avoid operating system failures.

Conclusion

To turn off Android, use any of the 4 proposed methods. If you need to turn off a phone with a non-removable battery, then all methods will work except the 2nd one. These are the 4 simple and simple ways to turn off the power to your smartphone.

What method do you use? Or do you know another combination? Write about it in the comments.

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At some point, it may happen that the power key on your Andro phone or tablet breaks down >

Scheduled shutdown - what is this function?

For those who don’t know, turning off your smartphone on a schedule is a useful setting that will help increase your device’s battery life and get rid of calls and notifications at night. As a rule, before going to sleep, the device is put aside, but many background applications and processes remain running. And this, in turn, consumes battery power.

You can configure the phone to turn off at a certain time through the settings by activating the appropriate option. And when the time comes to turn off the device, a notification will appear on the screen. You will have a few seconds to cancel the action and continue working with your smartphone. At the same time, you can independently choose the optimal schedule for yourself, depending on the time and duration of sleep.

There are also special applications in the Play Store that have more flexible settings.

Regular reboot of the smartphone using a button

Let's start with the simplest method, which is suitable if the phone is not completely frozen and responds to buttons.

Instructions for Android

The commands will appear: shutdown and reboot.

Click the reset button on the screen.

Instructions for iPhone

Apple device with Face ID:

After turning off, turn on the smartphone again by holding down the lock button.

On an iPhone with a Home button:

How to save data when the display is not working

If the smartphone screen has completely stopped working and you want to save the files on the phone, you will have to use a regular PC and a special program.

Broken Android Data Extraction

iSkysoft have developed a program that allows you to save or restore necessary information from broken phones. To do this, install the Android Data Extraction application on your computer and follow the instructions.

Instructions

1. Connect your smartphone to your computer using a wire.
2. Open the program, section “Data extraction” (Damaged devices).
3. Select the file type to recover.
4. Indicate the current state of the smartphone: a) “Sensor does not work”; b) “Black/broken display.”
5. Enter the smartphone name and model. Then click "Next" and "Confirm".
6. Turn off your smartphone.
7. Continue the process of saving data on your computer.

The touch screen of modern smartphones is quite fragile, so it can easily malfunction. You can always try to restore the touchscreen yourself or send it in for repair if the breakdown turns out to be complex.