Gina Johnson
The LG G3 has a double-tap to wake function, which can be turned off in the hidden system settings menu. The LG G3 also has a power button, which can be used to wake the device. Some users have reported issues with the LG G3 not waking up, which may be due to the light sensor or the proximity sensor. There are also reports of the device getting stuck in deep sleep while operating, which can be resolved by reinserting the battery or covering the connectors for wireless charging with tape.
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What You'll Learn
The LG G3's double-tap to wake function
The LG G3 has a double-tap to wake function, which can be useful for easily waking your phone. However, some users have reported issues with this function, such as the phone not waking up or accidentally turning on in their pocket or purse.
To access the settings for the double-tap to wake function, you need to enter the hidden system settings menu. The code to access this menu may vary depending on your carrier and model. For example, for the AT&T LG G3 D850, the code is 3845#*850#. Once you have entered the hidden menu, scroll down to find the setting for the double-tap to wake function.
It is worth noting that some users have reported issues with their LG G3 getting stuck in deep sleep while operating the phone. This may require you to reinsert the battery to turn it back on. As a possible solution, it is recommended to turn off auto-rotation and cover the connectors for wireless charging with tape to prevent them from connecting with the base connector.
Additionally, there have been reports of issues with the LG G3 not waking up due to the light sensor. If the phone's light sensor senses darkness, it may not wake up. This issue has been observed in completely dark rooms, and turning on the lights allows the phone to unlock.
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The power button
The LG G3 has a feature called 'KnockOn' which allows users to double-tap the screen to wake the device. However, some users have reported issues with the feature, such as the phone not waking up or accidentally turning on in their pocket. It is also possible to use the power button to wake the device.
If you wish to disable the double-tap to wake function, you can do so by accessing the hidden system settings menu. Dial 3845#*855# to access the menu, then scroll down to find the setting. Alternatively, you can try checking under 'Gestures', 'Display', and 'Lock Screen' in your settings.
It is worth noting that some users have reported issues with the LG G3 not waking up due to a malfunction with the light sensor. If you are experiencing this issue, it may be resolved by recalibrating the proximity sensor. You can do this by entering the hidden menu with the code *#546368#*855#.
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The light sensor
The LG G3 has a light sensor that, when pointed towards a light source, can unlock the device. The light sensor value is often too low in relatively light environments, leading to the screen turning off soon after hitting the power button and disabling the double-tap feature. This can be temporarily resolved by rebooting the phone, but the issue tends to reappear.
Some users have tried to resolve this issue by opening the phone, cleaning it, and performing a hard reset, but these solutions have not been effective. It is unclear if there is a permanent solution to the light sensor and proximity sensor issues.
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The proximity sensor
The LG G3 has a proximity sensor that prevents the phone from turning on when it is in your pocket. The proximity sensor is also useful when you are on a call. When you are on a call, the screen of your LG G3 will automatically turn off and lock so that you do not accidentally hang up or press any other buttons.
If you are facing issues with your proximity sensor, there are a few ways to test and calibrate it. One way is to use the hidden menu on your phone. Dial 3845#*880# and then select "Device Test", "All Auto Test Menu Full", and finally "ALC / Proximity Test". You can also test the "auto brightness mode" and "enable proximity wakeLock" to simulate a call. To test the sensor, simply put your finger near the sensor. If you are unable to find the setting in the hidden menu, try scrolling down further as the features are not listed in alphabetical order.
If you are still facing issues with your proximity sensor, you can try downloading the Proximity Sensor and Screen app by Steven Stanley Bayes. This app can be downloaded from the Google Play Store. Please note that the search engine of the Google Play Store is case-sensitive, so you must type the app name exactly as it is.
Additionally, there are some videos on YouTube that provide instructions on calibrating the proximity sensor for the LG G4, which may also work for the LG G3.
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The hidden menu
The LG G3 has a hidden menu that can be accessed by dialling specific codes. The code to enter the hidden menu varies depending on the model and the operating system version.
For the AT&T LG G3 D850 model, the code is 3845#*850#. For the T-Mobile LG G3 D851 model, the code is 3845#*851#. For the Sprint LG G3 LS980, the code is 5689#*980#.
If you have the LG G2 D855 model, the code is 3845#*855#. This code also works for the LG G3 D855 model running the Lollipop operating system. However, if you have the LG G3 D855 model with the Marshmallow operating system, the code is slightly different: *#546368#*855#.
Within the hidden menu, you can access various settings and options that are not available in the standard menu. For example, you can turn off the double-tap to wake function, which can accidentally activate the phone in your pocket or bag. To find this setting, you may need to scroll down quite a bit, as the features are not always in alphabetical order.
In addition to the hidden menu, there are other troubleshooting steps you can take if your LG G3 is stuck in deep sleep. One solution is to turn off auto-rotation and cover the wireless charging connectors at the back of the phone with thin paper or plastic tape. This solution requires removing the back cover of the phone and restarting it after covering the connectors.
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Frequently asked questions
You will have to reinsert the battery to turn it back on.
Dial 3845#*855# to access it.
Use the power button to wake up the device.
Try exchanging it for another device.
Your issue is likely due to the light sensor. If the LG G3's light sensor senses darkness, the phone does not wake up.
