(Frequently Asked Questions）
192.168.50.2, option settings explained
(text, browser translatable)
CarlinKit 192.168.50.2 web page, there are 2 versions, the new version is with a
sense of technology blue UI, the old version is pure white UI.
NEW UI
Home
Bluetooth: Display the name of the Bluetooth signal emitted by the product after
normal recognition
WiFi: Display the name of the wifi signal sent by the product after normal recognition
Software Ver: Display the current software version information of the product
Hardware Ver: Hardware version of the product, the version contains some hardware
information of the product, hardware version number description
Initial Ver: The initial software version number burned into the product at the time of
manufacture is not the date of manufacture.
Devices
Devices: This page is to manage the cell phone records connected to the current
product, you can delete a certain record or delete all of them, tap the " X " behind the
cell phone records to delete the selected records.
Help
Car Brand: The car brand information that users fill in when they first enter the web
backend
Car Model: Vehicle model information filled in when the user first enters the web
back office
Car Years: Vehicle year information filled in when the user first enters the web back
office
Feedback: If there is a problem during use, after reproducing the problem, you can
click here to fill in the description of the problem and upload the log (after the
problem, please upload the log in a safe situation, do not unplug the product,
otherwise the log will be lost)
Specifled Ver: It was first planned to be used to switch the product UI to other
specified UI of the same product, but it does not work for now. (Planned to work for
U2W series products)
Check Update: Check for new versions of the product currently available for update
Rollback: Click to downgrade the product's firmware to the previous stable version If
the upgrade has problems that did not exist before, you can try to downgrade the
solution
Settings
Sync Mode: In some cars that support dashboard CarPlay media information display,
if the media information cannot be displayed normally after using the product, you
can switch the synchronization mode to try, and you can also switch the
synchronization mode to try on models that do not recognize the product, and the
product will take effect only after switching when it is unplugged.
Background: The UI of the product is not displayed by default, try to turn on this
option when the screen shows a black screen after some cars are connected to the
phone.
Car model: Modify the initial setting of the vehicle model
Auto Connect: Option to turn on/off the automatic connection of the product to the
phone
Category: After connecting the product to play music and other media, the
Automotive Head Unit will become jerky and noisy, you can switch the media sound
quality to try, after switching the product needs to be re-plugged to take effect
CallQuality: After connecting the product call sound compared to the direct
connection carplay when the call noise or other call sound abnormal phenomenon,
you can try to switch the call sound quality option to HD or standard try. (Only
effective on products with carplay conversion function)
Knob Mode: You can switch between normal and all-select mode Normal mode: is
the regular mode at this time the knob can not select the Android auto interface at
the bottom of the navigation bar options, all-select mode: is the knob in the entire
Android auto interface can be selected, some Automotive Head Unit may not support
the second mode, easy to cause no touch. (This function is only useful on products
that support Android auto function, A2A products this does not work)
Video Resolution: Setting screen resolution information
Media Delay: The frame rate of the synchronized screen refresh of the product
connected to the cell phone, after the connection of the screen delay more can set
this (please set the frame rate to 20 if the screen is obviously delayed)
DPI: Adjust the size of function icons displayed in Android auto interface. (Only
works on products that support Android auto function, it does not work on the
interface of A2A products)
Video Bit Rate:
Modify the video bit rate for cell phone mapping
The smaller the set bitrate, the smoother the video will be
When the video freezes and delays, it is recommended to set the bit rate
below 8Mbps.
Set the bit rate to 8Mbps or less; the larger the bit rate setting, the more stable
the video image will be.
The larger the setting, the more stable the video image will be. You can try
Set the bitrate to 8Mbps or more to improve
Start Delay: Set the time to delay the communication with the original car after the
product is powered on, and try to adjust this parameter appropriately when there is a
situation where you need to unplug the product after getting into the car in order to
recognize it.
GPS: Set whether to use the car's GPS or not, try setting this option when there is a
problem of drifting navigation position after connecting to the phone.
Device Language: Only for setting the text language displayed in the product
connection interface, the text language displayed in the interface is the same as the
cell phone after connecting to the cell phone
WiFi Band: Set 2.4GHz/5GHz, which can solve the situation that some cell phones
can't search the product WiFi
Car Logo: Modify the car logo image in carplay or Android Auto interface, support
custom car logo
Modify WiFi Name: Change WiFi and Bluetooth names
Modify Device Name: Change the name of the product displayed in the Automotive
Head Unitcarplay device list
Reset: Restore the product to the state of just upgrading this version, and delete all
the connection records of the product, the current software version of the product will
not change when restoring the factory settings
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OLD UI
Car Information
Brand: The car brand you filled in when you first entered the backend of the website
Model: The model of the vehicle you filled in when you first entered the backend of
the website
Years: The year of the vehicle you entered when you first entered the backend
Screen: Current car screen resolution information
Box information
Bluetooth name: show the name of the Bluetooth signal after the box is recognized
normally
WiFi name: Display the name of the wifi signal after normal recognition of the box
Version: show the current software version information of the box
Manu date: The factory date information of the box
S/N: The serial number of the box
Other
Check update: Check the new version of the box that can be updated currently
Feedback: If you have problems during use, you can click here to fill in the problem
description and upload the log after reproducing the problem.
Basic Information Page
Device management: This page is to manage the cell phone records connected to
the current box, you can delete a certain record or delete all of them, tap the "x"
behind the cell phone records to delete the selected records.
Equipment Management
Auto-connect: the option to turn on/off the box to connect to the phone
automatically
Media delay: adjust the delay time of media sound, the default 1000 ms, adjust the
useful range of 300-2000 ms, the greater the delay the less likely to lag, the smaller
the music and the more synchronized with the image, this setting is related to the car
network environment, please adjust the appropriate according to the actual situation,
no abnormal situation is not recommended to adjust.
Bluetooth: modify the name of the Bluetooth signal issued by the box after normal
recognition
WiFi: modify the name of WiFi signal issued by the box after normal recognition
Language: set the language type of the font displayed in the box interface (the one
after the car recognizes the box), not the language of the functional interface, the
language of the functional interface is related to the cell phone.
Car brand: Modify the brand of the car model set for the first time
Car model: Modify the initial setting of the vehicle model
Car years: Modify the year of the vehicle you set for the first time
Sync mode: It works on some cars that support dashboard CarPlay media
information display, when the media information can't be displayed normally after
using the box, you can switch the synchronization mode to try, and you can also
switch the synchronization mode to try on the models that don't recognize the box,
and the box will take effect only after switching.
Backstage mode: the default does not show the box UI, in some cars connected to
the phone after the screen shows a black screen, you can turn on this option to try.
(This setting item is not yet in effect, please wait for the subsequent version of the
notice)
Media Category: After connecting the box to play music and other media, it will
become jerky and noisy car, you can switch the media sound quality to try, you need
to re-plug the box after switching to take effect
Frame: the frame rate of the synchronized screen refresh after the box is connected
to the phone, you can set this for more delayed screen after connection
Start delay: set the time to delay the communication with the original car after the
box is powered on, when it needs to be unplugged to recognize the box after the car,
you can try to adjust this parameter appropriately.
GPS: set whether to use the original car GPS, when the problem of drifting
navigation positioning after connecting the phone, you can set this option to try. (This
setting item is not effective at the moment)
Reset: Restore the box to the state of just upgrading this version, and delete all the
connection records of the box, the current software version of the box will not change
when restoring factory settings.
Rollback: Click to downgrade to the previous official version set by the server
How to visit websit backstage/192.168.50.2
please connect to wireless CarPlay or connect directly to the box's WIFI (WIFI name
varies with the car model)
It starts with VOL or Auto (password 12345678).
Input 192.168.50.2 with your phone's Safari browser.
Detailed catalog (please find the corresponding solution
according to the following catalog)
Q1：What should I do if there is no response when the box is plugged into the
car?
Q2：How to enter the product setting background?
Q3：Is there a delay in using the navigation software after connecting to
CarPlay?
Q4: After connecting to CarPlay, the connection drops or restarts?
Q5:Every time you start the car, you need to unplug the box to be able to
recognize it?
Q6:When the product is plugged in, Hardware /WIFI /BT Error? appears on the
screen.
Q7: Siri cannot be woken up, the caller cannot hear the sound, and there is no
sound when playing music
Q8: After using it for a period of time, the original car loses connection with the
dongle, and there is no Bluetooth or WIFI signal
Q9: Unable to connect automatically
Q10: phone not responding，please reconnect it and try again
Q11: Got a black screen after connecting to CarPlay/Android Auto
Q12: Need to reinsert the product each time for the car to recognize it.
Q13: Connecting...Unable to access wireless CarPlay
Q14:5G frequency interference, connection anomalies (e.g. near airports)
Q15:Car doesn't recognize the product
Q16 :How to delete CarPlay connection history on iPhone
Q17 :Steering wheel does not control answering calls and volume level
Q18 : Can't automatically connect to Carplay
Q19 : Can't wake up SIRI / Can't hear the other on the phone / play music with
no sound.
Q20 :Screen appears Hardware/WIFI BT Error?
Q21 :Can't connect to wireless CarPlay？
Q22 : Navigation app delay, like Waze/Google map
Q23 : “Please turn off WiFi and use traffic for related operations”
Q24 : Can't visit 192.168.50.2, even follow the correct steps
Q25 : How to update online
Q26 : How to upload the log.
Q1：What should I do if there is no response when the box is plugged
into the car?
1. Check if it is plugged into the correct USB port, is it plugged in tightly?
2. Whether it comes with wired CarPlay (check whether the car is equipped with original wired
CarPlay),
3. Connect the box WIFI to enter the background and click to restore the factory settings. The
mobile phone ignores the original car Bluetooth. If it is not recognized, click the basic settings in
the background-problem feedback (take a screenshot of the feedback content, click upload, and
send the screenshot to us)
Q2：How to enter the product setting background?
Step 1: Insert the product into the vehicle navigation machine, and the iPhone searches and
connects to the product box's WiFi signal. wifi password: 12345678
Step 2: Enter 192.168.50.2 in iPhone "Safari" browser and enter the the “Setting”interface.
Q3：Is there a delay in using the navigation software after connecting
to CarPlay?
Enter the product setting background to modify parameters—turn off the GPS option, or change
the frame rate to 20
Q4: After connecting to CarPlay, the connection drops or restarts?
Go to the product background and change the frame rate to 20
Q5:Every time you start the car, you need to unplug the box to be
able to recognize it?
Enter the product background settings, modify the startup delay to 1
Q6:When the product is plugged in, Hardware /WIFI /BT Error?
appears on the screen.
Use a U disk to upgrade the firmware, please contact the technical support team to upgrade
Video link:
https://drive.google.com/file/d/1Pgwkm_ttKr_8D0s-yayYHeIQ5HKIa7__/view?usp=sharing
Q7: Siri cannot be woken up, the caller cannot hear the sound, and
there is no sound when playing music
The mobile phone cancels the pairing with the original car Bluetooth, and checks whether it is
the latest version, and updates to the latest version
Q8: After using it for a period of time, the original car loses
connection with the dongle, and there is no Bluetooth or WIFI signal
Please check if the box light is on, and get in touch with the technical team to get the U disk
firmware for upgrade
Q9: Unable to connect automatically
1. Check whether the bluetooth is occupied, the mobile phone ignores the bluetooth of the
original car,
2. Click on the UI interface of the box to enable automatic connection or whether the background
automatic connection option is enabled
Q10: phone not responding，please reconnect it and try again
When the wireless CarPlay box is inserted into the car, the car screen prompts "No
answer from iPhone device".
Solution: reset the car machine
Path example: Settings - system settings - general settings - restore factory settings
If the appeal method doesn't work, you can refer to Apple's official recommendations
https://support.apple.com/en-us/HT210892#
Q11: Got a black screen after connecting to CarPlay/Android Auto
After connecting to CP2A's WiFi, use your mobile browser to enter
192.168.50.2, Turn off Sync mode.
Q12: Need to reinsert the product each time for the car to recognize
it.
After connecting to U2W's WiFi, use Safari visit 192.168.50.2. adjust Start
Delay to 20
Q13: Connecting...Unable to access wireless CarPlay
A:
1. Please make sure that the iPhone has turned on Bluetooth, WiFi, Siri, CarPlay, and
that the iPhone is connected to the CarlinKit product Bluetooth.
2, restart the iPhone, re-unplug the product.
3, iPhone connected to the product WiFi, Safari access 192.168.50.2, reset the product
and then reconnect.
4, car screen, product connection interface, long press the phone name to delete all
connection records; iPhone Bluetooth list to delete the product connection records.
5, iPhone - Settings - General - CarPlay, delete all connection records
Q14:5G frequency interference, connection anomalies (e.g. near
airports)
Product support 5G and 2.4Ghz frequency connections,5G frequency connections for
some users, which can be subject to interference, such as near airportsYou can try to set
the 5Ghz frequency to 2.4Ghz.
Q15:Car doesn't recognize the product
1. Check whether the product signal light will be on and whether it is connected to the
wired CarPlay interface of the car
2. Login to 192.168.50.2, check the version update, not the latest update to the latest
3. Automotive Head Unit to restore factory settings; cell phone browser into
192.168.50.2 settings to reset the product
4. Replace a data cable
5. Submit the log to see if there is a suitable version of the push
Individual models require separate settings
1, some Mercedes-Benz CarPlay interface with cell phone icon, the product needs to
be connected to the interface and set Apple CarPlay to start automatically
2, some Audi / Volvo, you need to disconnect the phone and Automotive Head Unit
Bluetooth connection first
3, 17 Mazda CX5, need a USB auxiliary cable to increase power supply
①：CarlinKit (type-C) to USB
②：Car Cigarette Lighter / USB port different from Automotive Head Unit
③：The interface used by wired CarPlay (with data transfer function)
Q16 :How to delete CarPlay connection history on iPhone
iPhone - Setting - General - CarPlay,Choose your car/autokit,Forget This Car
Q17 :Steering wheel does not control answering calls and volume
level
Please enter 192.168.50.2 and open the sync mode. If this does not work,
please upload the logs and give feedback to the technical team
Q18 : Can't automatically connect to Carplay
1, keep the phone WiFi and Bluetooth on state, Bluetooth is not occupied by other
devices / connected
2, 192.168.50.2, upgrade the firmware to the latest version
3, 192.168.50.2, the automatic connection option is on
If the above conditions are met, please try
1, 192.168.50.2, Start Delay, set to 1 or 3
2, 192.168.50.2, Reset Product
3, Cell phone, clear CarPlay connection record, Clear Bluetooth connection
record, Restart your phone
4, individual models, such as Cadillac, need to remove the phone connection record in
Automotive Head Unit
Q19 : Can't wake up SIRI / Can't hear the other on the phone / play
music with no sound.
Unpair the phone from the car Bluetooth（Automotive Head Unit）, and check
if the product firmware is the latest version, update to the latest version
Q20 :Screen appears Hardware/WIFI BT Error?
This error message appears, you need to upgrade the firmware, you can try to connect
the product WiFi after (WiFi name autokit ****, or named after your car brand,
password 12345678), cell phone browser into 192.168.50.2, try to upgrade online /
fallback / reset the firmware to see if the problem can be solved. If online can't solve
the problem, you can try to use USB flash drive to upgrade.
CarlinKit 3.0/4.0/CP2A/U2W series Firmware upgrade video tutorial using USB stick
https://www.youtube.com/watch?v=_Vyy8jK17ng
CarlinKit 3.0/4.0/CP2A/U2W series Firmware acquisition method
https://www.carlinkit.com/news_detail/3.html
Text version
1, prepare a 32G or less USB flash drive
2, first format the U disk to FAT32
3, put the firmware into the U disk (U disk can only have a file
"U2AW_AUTOKIT_Update.img")
4, find a plug to power up the product, and then plug the U disk into the box USB port
to upgrade
5, upgrade when there are red and green lights flashing, do not power off, wait until
only the red light is on, and then wait 3 minutes to unplug.
Q21 :Can't connect to wireless CarPlay？
After connecting to CP2A's WiFi,use mobile browser to enter 192.168.50.2
Reset network settings on iphone and Reset the product.
Q22 : Navigation app delay, like Waze/Google map
Use your mobile browser to enter 192.168.50.2.Turn off the GPS option, or set the frame rate to 20
Q23 : “Please turn off WiFi and use traffic for related operations”
When uploading logs, the web page shows a prompt: Please turn off WiFi and use
traffic for related operations
What to do？
1, Turn off your phone's WLAN
2, Open the mobile data of your phone
3, Please click submit again
Video Tutorial
https://www.youtube.com/shorts/Gd9YKLgjs4c
Q24 : Can't visit 192.168.50.2, even follow the correct steps
Please turn on the browser's Incognito mode. After turning on the Incognito
mode, try to enter the backstage again
Chrome Browse in private
https://support.google.com/chrome/answer/95464
Safari Private Browsing
https://support.apple.com/en-us/HT203036
If your Android phone still can't visit 192.168.50.2 using the above method, then
please refer to this method
please ignore the box's Bluetooth signal and actively connect to the box's second
WIFI with your phone. (WIFI name varies with the car model)
It starts with VOL or Auto (password 12345678).
Input 192.168.50.2 with your phone's Safari browser.
Q25 : How to update online
In 192.168.50.2
Check for updates:
Basic Settings - Check for updates
make sure not to power off during this period
Please wait for the box to RESTART and you will see the UI interface again
Video Tutorial:
https://drive.google.com/file/d/1FudjFItzisdVNwFt0Ni20ZZT-3sQtAmb/view?u
sp=sharing
Q26 : How to upload the log.
Video Tutorial:
https://drive.google.com/file/d/1-Pe6cFDX7b4JgnWE9gpt2E7E7EAWzM7s/view?usp=
sharing
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