Proximity sensor on Xiaomi or ambient light sensor is needed to control automatic screen brightness. If not properly calibrated, it may make mistakes such as unwanted calls during a call. However, we'll fix it. First, try restarting your device. Problem still exists? Let's look at other reasons.

It's easy to turn it on. A small problem is that depending on the model and software of your Xiaomi, the algorithm will be different. For the Xiaomi Redmi 3S model, the procedure is as follows:

• open the dial pad;
• go to the "incoming calls" tab;
• in the list of options, find the proximity sensor;
• now you see its state, if it is off, move the slider to the opposite position.

Other models have the on/off function in a different location or not. Unfortunately, it is impossible to give a universal algorithm, since the company does not stand still in its development, releasing smartphones with new firmware.

We remove the lock

Another cause of the problem is the enabled "Pocket Lock" function. The purpose of this function is to turn off the screen when the phone is in your pocket. Trouble with the light sensor occurs most often because of this function. However, fixing the problem is pretty easy:

1. Open the "Settings" menu.
2. Go to "Challenges".
3. The final item is "Incoming calls".
4. Find the function and move the slider to the off position.

Testing the sensor

If the previous steps did not bring the desired results, the light sensor will have to be calibrated. But first you need to test its performance.

Attention: this setting tested on Xiaomi Mi 4 and Redmi 3 Pro models. For other devices, it is recommended to first familiarize yourself with the engineering menu.

Calibrate the sensor

Was the test successful? You can start calibrating the proximity sensor on Xiaomi. The following algorithm is relevant for Redmi 3S.

Other causes of the problem

The reason that automatic brightness buggy happens because of incorrectly selected protection for the screen. Some glasses and films do not provide special holes for the sensor, which is located near front camera. Check the protective film. Even being correct in size, it can interfere with work precisely because of the lack of necessary holes. Especially often this problem occurs for users with universal films and glasses.

The sensor does not work often after replacing the original xiaomi screen. To solve this problem, you need to contact the service center.

Another cause of problems is incorrect or old device firmware. You can fix this by switching to new firmware versions. However, do not forget that after the update, all data and applications will be deleted. As, however, and superfluous or harmful information.

Please note that all the above methods for solving the problem with the Xiaomi proximity sensor are advisory in nature. If the problem persists, contact an authorized service center.

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Xiaomi mi a1, some defective got caught, the charging module immediately broke. The repair amounted to 1500 rubles in St. Petersburg. Now the proximity sensor is buggy. Now, when you call, the screen is dead, and there is no way to turn it off. What happens is that it doesn't always happen.

The guys had some kind of trouble, the screen goes out by itself on Xiaomi mi a1. I thought the energy saving effect, I turned it off, and did a lot of little things, but nothing helped. Help out, give worthwhile advice.

Faced a faulty sensor on my device, Mi a1. He does not react in any way, but I would like everything to work, because he is only a month old. The rest of the phone is very cool, no matter how much I did not regret that I bought it.

I have one, the answer to the account of Xiaomi. Software on these phones is buggy. Now, in order for the distance sensor to work, you need to press the phone hard to your ear, so it does not react in any way.

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How to enable or restore the proximity sensor on Xiaomi mi a1.

How does this feature of the gadget turn on.
There are "incoming calls" in the menu, then select "proximity sensor" and move the slider to the right, and that's it.

If a film was pasted, and an opaque object fell on the sensor. Then the sensor will not show correctly. Also, the cover can interfere with the operation of the device.

The sensor itself is poorly calibrated, this is done by entering the code * # * # 6484 # * # * in this Single Item Test menu, select Proximity Sensor and there it will show an object far or close to the phone.

If there is no such menu, then the phone must be turned off and hold down the power button and + and it will appear engineering menu it needs to calibrate the sensor. Depending on the firmware, the menu is different, and there are many videos on the Internet on how to do this.

Programs for calls are strongly affected, if you installed something like that, then it is better to remove it, perhaps they interfere with work.

If everything done did not help, then most likely you have a bad sensor, or it is broken. You can replace it with a new one and then everything will work.

Xiaomi Related Pages

Xiaomi redmi 3s proximity sensor not working

Xiaomi redmi 3s proximity sensor not working

To correctly show the distance, it is calibrated. You can enter *#*#6484#*#* then Singl.e Item Test, click on the Proximity Senso.r check and it will show how far the gadget is from the item.

Xiaomi redmi 4x proximity sensor not working.
Xiaomi redmi 4x sensor is buggy.

Xiaomi redmi 4x sensor is buggy.

In the phone, all the icons twitch and open. Such fun, well, at least a year my Huawei redmi 4x lasted. Hope I fix it. Hit Khiaomi, on the display with a click, since protective glass stood on top, already cracked, I decided to break it. But after that, the touchscreen does not respond to touch. I press harder and nothing happens.

Xiaomi redmi 4x does not see the sim card.

Xiaomi redmi 4x does not see the sim card.

Xiaomi redmi 4x does not see the SIM card, rebooted many times, and re-inserted the SIM card, but the result is one does not see, what else to do with it ???

Some sim glitch worked on redmi 4x, everything was fine, but after a month, he refused to accept it, and he didn’t do anything by himself. Tried plugging in and out and nothing happens. This is some nonsense.

Xiaomi redmi 4x low battery

Xiaomi redmi 4x low battery

My device turns off after 40%, but after a reboot, everything is fine and works as if nothing had happened. The battery was swollen and opened the lid, but it seems to work, a little less, but the question is, is it possible to use such a device?

It is discharged when playing for 2 hours, you have to play on charging, can it be replaced and will there be any sense.

HOW TO CHOOSE THE RIGHT. Xiaomi phone Redmi 4x Description, prices, reviews.

HOW TO CHOOSE THE RIGHT. Phone Xiaomi Redmi 4x Description, prices, reviews.

Description:
Functional and modern apparatus with large display. Powerful 8 nuclear processor will not let you get bored, and the battery holds a charge for a very long time. An excellent choice for lovers of functional flagships.

It has snapdragon installed, which is very cool, and it is modern and new processor. 8 cores at 1.4 GHz.

Fell into the water xiaomi redmi note 4

Fell into the water xiaomi redmi note 4

I ran outside and listened to music, got caught in the rain and kept the phone in shorts, nothing happened. But today, after running around, I got caught in the rain, but it was already just a phone in my pocket. He came and took out xiaomi and unlocked it to take a look, but it was turned off. I tried turning it on but it doesn't respond to it. It is necessary to somehow restore all my important information entered, and photo.

Xiaomi mi a1 reboots

Xiaomi mi a1 reboots

Now there are a great many all sorts of low-quality programs for android, and glitches may appear after a while. What can cause a gadget glitch. Not running app- this does not mean that it does not work. The device should be cleaned of unnecessary programs. It happens that one application starts Wi-Fi, and the other turns it off.

In modern mobile devices the presence of sophisticated Xiaomi applications no longer surprises anyone. These include various text and media editors, a fingerprint scanner, and proximity, illumination (light) functionality. The latter are responsible for adjusting the brightness of the screen during a conversation. It is worth mentioning that the indicator of light, illumination and approximation is one common service.

It happens that the brightness does not drop when the gadget is touched to the ear. The first thing that is important to do is to restart the phone, if the illumination still does not work, then adjust it.

Causes of non-working sensors on Xiaomi

1. The application is disabled.

First check if it is enabled. To do this, open the “Phone” application with a long press and select “incoming calls”. Enable zoom if it is disabled.

2. Included "harmful" services.

Often the cause of a malfunctioning sensor is a “pocket trip”. As a result, the Xiaomi light sensor does not work correctly. It's easy to fix. Go down to “Calls” - “Incoming” and switch the slider to the other side.

3. Film or glass for protection.

The Xiaomi proximity sensor will definitely not function if its window is closed. It is located near the front camera on top. Therefore, it is important from mechanical damage use original protective coatings or glue universal ones in such a way that they cannot be covered.

Module failure check on Xiaomi

When all of the above reasons are not relevant, then you need to perform a certain list of actions to check the functionality of the function. First you need to dial *#*#6484#*#* without dialing. After entering the engineering menu, five windows will be available. Swipe across the top right.

In the list of suggested actions, find the "Proximity" sensor at the bottom.

When you touch this window, the inscriptions “far” and “close” should change (they are also on the screen). If nothing happens, then adjustment is needed.

Xiaomi Sensor Calibration

For this task, you need to perform the following sequence of actions:

1. Completely turn off the smartphone

2. Press the volume up at the same time as turning it on until the vibration signal and release.

3. The variator will open on Chinese. Hover over "中文" to change language.

4. Swipe on "PCBA test" to enter the factory menu.

If the sensor does not respond to fingers, then control can be realized using "Forward" and "Back".

5. Go to "Proximity sensor" and put the gadget horizontally. The option opening must not be covered without strong light shining on it.

6. Carry out the adjustment using "Calibration". The appearance of the inscription "Successfully" will mean that the work was completed successfully.

You can check the module like this. Close the hole with an opaque object. The number should change from 1 to 0.

Press the “Pass” button to go back to the engineering variator, then press the “Finish” and “Power Off” keys to turn off the smartphone. Then you can download it and check the function during a conversation.

If this algorithm did not help restore the module, then its firmware can help. Another reason may be incorrect installation display.

Every year, smartphones become more complex and constantly updated with new features. In particular, MIUI 8 gadgets are equipped with various sensors to help you work. For example, for correctly adjusting the automatic brightness of the display and for turning it off during telephone conversation responds to the light sensor (proximity). Sometimes in his work there are problems associated with incorrect calibration: for example, if the sensor did not turn off the display during calls, the user may accidentally press something wrong with his ear. There can be many reasons for incorrect calibration. If a simple reboot of the smartphone did not fix the problem, let's explore the reasons for this.

1. Xiaomi Redmi 3 proximity sensor is disabled. It is quite simple to enable it (let's take the Xiaomi Redmi3s smartphone as an example): open the dialer, then hold down the menu and select the item in the list "Incoming calls". There you will see "Proximity sensor". It needs to be turned on. Due to the fact that Xiaomi has a huge variety of phone models and their firmware, it is impossible to indicate the exact location of this item. If this setting is missing, it might be worth looking elsewhere.
2. Also very common cause errors in the operation of the touch sensor on Mi Max or Redmi Note, the gadget lock function may be running, which does not allow it to turn on when the phone is in your pocket. Because of this, very often the Xiaomi 3S proximity sensor lags and is buggy. To disable it, you need to go to "Settings - Calls - Incoming calls", where you will see a slider that must be moved to turn off the feature.
3. In addition, physical obstacles, such as protective glass or film, can be the cause of a poorly functioning sensor on Redmi Note. Check if there are special holes on the film for this sensor, and if not, change the protection or make these holes yourself. Most often, the sensor is located near conversational dynamics and front camera. A similar problem is most often created by universal or simply low-quality glasses and films, and therefore we recommend that you carefully check before buying whether all the holes are available.

Xiaomi Redmi Proximity Sensor Calibration

What to do if it's all the same on your Redmi note 3 Proximity sensor not working? Need to calibrate the sensor - this method is one of the most common. To do this, first check if the sensor works at all: in the call menu, enter the code *#*#6484#*#* (without pressing the call button). You will see the engineering menu (we checked this method on Xiaomi Redmi 4 Pro and Xiaomi Redmi 3 Pro, if it didn’t work out, read the article on how to get into the engineering menu) with five buttons. You need to click on the top right with the inscription Single Item Test. Next, find the inscription below Proximity Sensor and click on it, you will be taken to the testing menu. This should show "Near" or "Far" when you close the sensor with your finger. If the sensor does not respond, then it is broken, and if the test is successful, you can calibrate the Xiaomi Redmi 3s proximity sensor:

• Turn off the device;
• Press the Volume + button and then the Power button. After vibration, release the buttons;
• You will see the Chinese menu. Click on the 中文 button at the bottom right of the Download 模式 button. The language will become English;
• Press PCBA Test at the top and see the engineering menu. We go to Proximity sensor;
• Lay the phone on a smooth horizontal surface after wiping the light sensor with a soft cloth;
• Avoid bright light on the smartphone;
• Press Calibration and wait while the sensor is being calibrated;
• When finished, you will see the inscription Successfully- the sensor has been successfully calibrated.

To check the correct operation, cover the sensor with something opaque (for example, with a finger) - the one on the screen should change to zero. After completing the test, press the button Pass, after which we get into the engineering menu and press Finish-Power OFF. Then you need to turn on the smartphone again as usual and check the correct operation of the sensor: when making a call, when you bring the phone to your ear, you need the sensor to turn off the display.

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Everyone has it modern smartphone on the Android based or iOS there are many interesting possibilities. Every year, devices are equipped with more and more sophisticated features that make it easier to work with the phone. One of the features of smartphones are sensors, of which there are more than a dozen. Xiaomi has a lot of them too.

Long-term operation of the device leads to a malfunction of sensors and sensors. Because of this, the automatic screen brightness may not be correctly adjusted at different times of the day, there will be problems when tapping the screen, since touches are detected incorrectly.

As for smartphones, calibrating the Xiaomi proximity sensor will help fix the problem. This procedure allows you to adjust the responses of the sensors to the correct answer, also with other types of sensors. It is worth noting that devices of other companies do not have such a function.

How to calibrate the proximity sensor on xiaomi

On most Xiaomi smartphones, you can use the engineering menu, which has the necessary sensor tests. But first you need to check the activity of the proximity sensor:

• Open the "Phone" section, click on the "Menu" on the left.
• Go to "Settings".
• We find the item "Incoming calls".
• In this section, we look at the line "Proximity sensor", the function must be active.
• Open the dialing menu and enter the standard engineering menu code: *#*#6484#*#*.
• We immediately get into the QC test window. Here we find the item "Proximity Sensor".
• We try to bring your finger closer to the sensor on top panel devices. If the "Value" value changes, then the sensor is OK.
• Click "Calibration" button to calibrate the proximity sensor on Xiaomi.

Battery calibration

Why do you need to calibrate the battery of Xiaomi smartphones?

During prolonged use of the phone, the information about fully charged and battery discharge may be incorrect, as a result, charging the smartphone may not be correct. This problem shortens battery life. To fix this, you will need to calibrate the battery.

The first calibration method is that the device must be fully charged when it is turned on and the following manipulations must be carried out:

• Disconnect the charging cable from the phone;
• Turn off your phone completely and reconnect the charging cable after a couple of seconds. The LED should be green;
• Disable again Charger and turn on the phone. After loading the OS, turn it off again. All actions are done very quickly;
• We start charging the switched off phone. As soon as the LED turns green, disconnect the smartphone from charging again.
• Turn on and use.

This was the easiest way to calibrate the battery on xiaomi.

The next method is to use Root rights. To do this, you need to prepare by reading each paragraph of the instructions below:

• Completely turn off the smartphone and connect it to the charging cable. It is desirable that the adapter be plugged into an outlet.
• After the device's LED turns green, the device must be turned on and wait for the operating system to fully load.
• Further actions will work if you have superuser rights. Download the application "Root Explorer".
• Go to the data / system directory and find the batterystats.bin file, which we delete.
• Disconnect the charger and use the smartphone until it automatically turns off.
• We charge the phone up to 100%.

Now the xiaomi smartphone battery is fully calibrated and the system has “remembered” the exact capacity value.

How to calibrate a compass

Almost any Xiaomi firmware has a built-in Compass application. Correct calibration compass passes as follows:

• Go to the smartphone settings and the "Installed applications" section;
• We find applications "Compass";
• Click the "Clear data" button to clear the cache;
• We overload the phone;
• We are looking for the compass application on the main screen. It is usually located in the "Tools" folder.
• By launching the Compass, we allow access to geodata.
• We act in accordance with the instructions on the screen (You need to perform a gesture in the form of a figure eight), while the smartphone is placed in a horizontal position.
• After calibration, vibration will occur and the compass itself will appear.

Screen calibration

If when you press the screen, the sensor does not respond well, or the touches are detected incorrectly, there is an opportunity to fix the problem. To do this, the sensor is calibrated. The process involves the following series of steps:

• To calibrate the screen, it is advisable to remove the protective film or glass, but this is only a recommendation;
• We go into the engineering menu by entering the command *#*#6484#*#*;
• We find the option "Touchpanel";
• Swipe your fingers across the screen as instructed.

It is possible to use specialized applications that can be downloaded from Play market. These include Touchscreen Calibration, Display Calibration and the like. We use them last.

Thus, we have considered two ways to calibrate the display. If it doesn't help, then the problem is elsewhere.

Other calibrations

There are many more sensors, but one of the most important is the accelerometer, which is responsible for orientation in space. In other words, if your screen rotation is not working correctly, there is probably a problem with the accelerometer.

Accelerometer calibration on Xiaomi smartphone carried out by two methods: using standard functions and an ordinary magnet.

In the first case, on some Xiaomi firmware In the settings there is a function for calibrating the accelerometer. It is located in the "Display" settings. After that, the built-in feature will automatically configure the sensor.

The second method is to use a mechanical effect on the smartphone using a magnet. The method does not always work and should be used with caution (the magnet should not be highly magnetized).

We take a magnet and hold it on the back of the phone for 2 minutes. Between the objects it is desirable to put some kind of cloth or paper. After the procedure, we restart the device and check the performance of the accelerometer.

There is another calibration option using the engineering menu. We do everything in order:

• Enter the command * # * # 6484 # * # * to enter the engineering menu;
• We find the item "Accelerator" or "Accelerometer sensor";
• We tilt the phone in different directions: right, left, forward and backward. As soon as all the arrows appear, press the "Calibration" button;
• The message "Calibration success" should appear;
• Click OK;
• Now you need to twist the smartphone in a circle to calibrate the Magnetic Sensor. We hold the device in a horizontal or vertical position;
• We are waiting for vibrations and messages Finished.