About K16 Pro Android OS firmware upgrade

We will regularly optimize and maintain Android system firmware. Support OTA online update Android firmware. Operation video guide:https://youtu.be/LgxDm_96fFg

Note: If the projector can be turned on normally, please use the online upgrade. Do not update the firmware with a USB flash drive. If you encounter problems, please restore the factory settings first. If you must update the firmware, please contact customer service and provide the serial number of the projector and Android to the customer service. The system version, because the electronic components of the projector motherboards produced in different batches have changed, and different firmwares correspond to different motherboards. If the wrong firmware is used, the projector will not be able to boot. Please proceed with caution.

If there is a problem with the projector’s Android firmware and it cannot be upgraded online, You can upgrade through USB flash drive

Operation guidance:

a. Click the icon below to download the android OS firmware and unzip it. 

b. Unzip the firmware to the root directory of the U disk. (Note: Do not put it in other folders. The format of USB flash disk must be FAT32)

c. Then insert the U disk into the USB interface of the projector, 

d.Then connect the power cord of the projector, Turn ON the power switch on the back of the projector, press and hold the power button to upgrade, the projector will automatically upgrade. 

e. Wait for the projector to automatically shut down, and then load all the APPs after it is automatically turned on, about 20 minutes. It can be used normally. 

Note: Do not disconnect the power to the projector when upgrading. Otherwise it will cause the projector to be abnormal and slow to start. Need to upgrade again.

K16 Pro Firmware upgrade user guide video: https://youtu.be/vNgJfPFhCcc

Note: Due to the continuous upgrading and improvement of products, the hardware motherboard of the projector will also be continuously upgraded, and the Android system firmware corresponding to different motherboards is also different. You can download the following corresponding firmware according to the serial number at the bottom of the projector to update the projector firmware . Note: Flashing the wrong firmware will result in the projector not working. If anything is unclear, please contact customer service and provide the serial number.

Firmware version: Q12BY20221012en

Optimize content: Arabic added

Install this APK to add Arabic patches

Arabic system language adding steps:

1. Download this APK patch package and copy it to a U disk.

2. Then insert the USB flash drive into the projector.

3. Find and open and install the APK in the file manager, then the projector will have an Arabic language.

With the development of science and technology, in the current Bluetooth function, it is no longer used for Bluetooth to transfer files. The role of Bluetooth is only to transmit sound. The Bluetooth file transfer function has been replaced by APP.

Wifi, Bluetooth, wifi-display (airplay, Miracast, DLNA) are all different functions. The effects are different.

Many buyers often misunderstand the function of Bluetooth. For example: the following 3 types are different functions.

1. Wifi-display function, the projector displays the image and sound of the mobile phone screen through the mirroring function of the smartphone. This is not achieved using the Bluetooth function. It is achieved through the screen mirroring function that comes with the phone.

1-1. ios smartphone realizes screen mirroring via airplay function.

Operation instruction video connection: https://youtu.be/DzCJ3W1rSXw

1-2. Android smartphones realize screen mirroring via miracast function.

Operation instruction video connection: https://youtu.be/aqAd00g6tI0

Note: Not all Android smartphones support the screen mirroring function. For smartphones that support screen mirroring, there are options similar to this in the "Settings" or "More Functions" options of the smartphone, for example: "Screen mirroing", "Wifi-display", "multi-screen", "screen projection", "play to", "media output", etc.

If the projector's pre-installed screen mirroring app is not compatible with your Android smartphone, you can connect the Android phone and the projector to the same wifi, then enter the Eshare interface of the airplay option on the projector homepage, enter the IP address on the screen in the browser of the phone, download and install the Eshare APP, and screen mirroring via Eshare APP.

1-3.Realize wifi-display via Eshare APP

If your projector’s screen mirroring function is pre-installed with Eshare, and your Android phone cannot connect to the projector, you can install the Eshare APP on your phone for screen projection.Download the designated Esahre APP according to the video

Operation instruction video connection: https://youtu.be/Q51hJu9Yel0

1-4. Wifi-display for windows OS PC via Esahre APP

Operation video guide: https://youtu.be/NvXfxSp-rbw

1-4-1. Connect your windows OS computer and projector IP address to the same network

1-4-2. Click the "Airplay" option on the projector homepage to enter the Eshare interface.

1-4-3. On the window OS computer, open this URL with a browser: http://cdn.sharemax.cn/app/EShareClient-STD.exe

download and install Eshare APP to the computer.

1-4-4. Click "EShareClient-STD" on the computer, and the name and IP address of the projector in the same network will appear, select it, and then click start to succeed

Tips：

Some video apps with copyright protection cannot support wireless projection from other devices to the projector. For example, Netflix, iTunes Movie, Google Movie, Amazon Prime do not support this function on some smartphone and computers. All Android system projectors on the market are the same.

1. How to set BYINTEK K16 Pro as a Bluetooth speaker?

Operation video guide: https://youtu.be/zu7zJsvIh1Q

2. How to adjust the color (color temperature) of BYINTEK K16 Pro images?

Operation video guide: https://youtu.be/b2yxwutV47o

3. How to adjust the electronic zoom of BYINTEK K16 Pro?

Operation video guide: https://youtu.be/IMAf_62DfO8

4. How to adjust corner keystone correction for BYINTEK K16 Pro projection from the side?

Operation video guide: https://youtu.be/4FnAz3gfM8U

6. How to adjust the flip BYINTEK K16 Pro graphics screen?

Operation video guide: https://youtu.be/oeHOGV9-haE

7. How to set the BYINTEK K16 Pro to directly enter the HDMI signal channel after booting?

Operation video guide: https://youtu.be/wMADVO0OI-Q

8. How to restore the factory of BYINTEK K16 Pro Pro projector?

Operation video guide:https://youtu.be/0iQrg-alz4k

9. How to turn off the boot music?

Operation video guide:https://youtu.be/w4y7EmiBC7g

10. How to solve Fire TV stick 4K connected to the projector to play movies no sound？

Turn off Dolby in the setting sound of Fire TV stick 4K.

         Step："setting"----"display&Sound"---"Audio"---"Dolby digital output"---"Dolby digital plus OFF", Turn off Dolby，Do it a few times，Confirm whether Dolby is successfully turned off.

         Tips: Some sources can work normally without turning off Dolby and setting them to automatic mode. If there is still no sound in automatic mode, you must turn off Dolby.

         Operation video guide：https://youtu.be/2S77xzLHC84

11. The projector is pre-installed with Youtube, Netflix or other apps. After the update is prompted, the update does not work properly. What should I do?

Don't worry, enter the "Settings" interface of the projector, find and click "Restore Factory Settings". 

Operation video guide:https://youtu.be/0iQrg-alz4k

After the recovery is successful, use the pre-installed version directly, and do not operate any upgrade prompted by the pre-installed APP. 

If the APP arrives when it is really unusable, we will update the APP together when updating the version of the Android system by optimizing on the Google server.

12. The original infrared remote control is not easy to control on APPs such as netflix, how to solve it?

use mouse control, or buy a 2.4G "air mouse", choose the kind of air mouse with remote control on one side and keyboard on the other side. This air mouse is suitable for all Android system projectors. This kind of remote control performance very good, and the price is not expensive. Similar to the picture below.

13. How to read PDF, PPT and word documents in USB flash driver?

You need to download WPS or office app in the app store

You can also click the icon below to download the WPS installation package, copy it to the USB flash disk, insert the USB flash disk into the projector, open the file management of the projector, find the installation package of "WPS. APK", and install it.

"WPS.apk" Download website: https://drive.google.com/drive/folders/1fVYJArSurTEDmEPxXYQLtjJBUGB9ttJV?usp=sharing

How to operate WPS APP to read PPT, Word? Operation instruction video: https://youtu.be/d7vQcDbeWRg

K16 Pro Projector Maintenance Guide

1. Without disassembling the projector, how to clean the dust on the screen of BYINTEK K16 Pro series projector?

Fault phenomenon: If there are movable dust particles or relatively large dust particles on the screen, you can turn on the projector, then turn the projector's lens down, slap the projector body, and let the fan take away the dust.

Operation guide video URL: https://

2. Disassemble the projector to clean up the dust on the LCD of BYINTEK K16 Pro series projector

Fault phenomenon: If you find black dust-like dots on the projection screen, it means that there is dust or foreign matter on the LCD surface inside the projector, which needs to be disassembled and cleaned up.

Operation guide video URL: https://youtu.be/Hg1b6T9I6gE

3. The lens of the BYINTEK K16 Pro projector has no light coming out, and the LED does not work, how can I solve it?

Fault phenomenon: After the projector presses the power button, you can hear that the fan inside the projector is working normally, but there is no light coming out of the lens at all, maybe the LED is not working.

First, disassemble the projector to check whether the cables on the power board are connected properly. If the cables on the power board are connected normally and there is no looseness, the projector still does not work, and a new power board needs to be replaced. If it is still not normal, you need to replace the LED. If the lens still has no light after replacing the LED, you need to replace the motherboard.

Usually replace the power board projector is normal. LED damage is generally caused by high voltage breakdown of the projector's LED due to lightning strikes or unstable household power grids.

Operation guide video URL: https://

4. A few minutes after the projector is turned on, a black shadow appears in the middle of the screen and gradually expands. It may be that the filter is blocked, or the LCD cooling fan inside the projector is not working.

Disassemble the machine and check whether the flat cable between the LCD cooling fan and the main board has fallen off?

Operation guide video URL: https://youtu.be/FpuDvtU8-Hg

If there is no problem with the wiring, it may be that the LCD cooling fan is broken and needs to be replaced.

6. Replace the motherboard of BYINTEK K16 Pro series projector

Operation guide video URL: https://

     7. Check whether the LCD cable connection is normal, how to reconnect the BYINTEK K16 Pro's LCD cable?

Fault phenomenon: If the projector is transported by express, resulting in abnormal image display, streaks, white screen or black screen, it may be caused by loose LCD cable. Follow the video instructions at the URL below to reconnect the LCD cable. If the operation is still not normal, then the LCD should be replaced.

Operation guide video URL: https://

8. How to replace the LCD of the BYINTEK K16 Pro projector? 

Fault phenomenon: If the picture image is abnormal, there are colored streaks, or there are cracks, black blocks that will not recover after the projector cools down, etc., the LCD may be damaged and the LCD needs to be replaced. 

Disassemble the projector, use the mobile phone to shoot the text on the LCD cable for your after-sales customer service, the customer service will send it to you according to the corresponding LCD arrangement, and the projector system firmware used for different LCDs is different. If a different LCD is replaced, it will cause the projected image to display abnormally. At this time, the customer service needs to send you the system firmware corresponding to the LCD you received, copy the program to the U disk and directory, and insert it into the USB of the projector. Then connect the projector to the power supply, wait for a few seconds, then press and hold the power button for 10 seconds, then release the button, let the projector update the program automatically, wait for 10 minutes, if the projector has an image, it means it is normal.

Operation guide video URL: https://youtu.be/Hg1b6T9I6gE

9. BYINTEK K16 Pro projector all parts disassembly instruction video （disassemble: motherboard, LCD, power board, fan, Insulation glass, reflector, lens, LED, speaker）

Operation guide video URL: https://