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WHY DOES THE PROJECTOR’S WI-FI STOP SHOWING ON MY IPHONE’S WI-FI’S LIST？
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After the initial connection to the selected Wi-Fi on your device, the projector will be automatically
connected to the same Wi-Fi in the future, and the projector’s Wi-Fi no longer appears on the Wi-Fi list
of your device.
HOW TO CONNECT TO A DIFFERENT WI-FI？
Step 1.Turn on the projector and switch to “Mirroring” page, note down the IP address and Wi-Fi name
at the top of the interface. This Wi-Fi is the currently connected Wi-Fi.
Step 2. Open Safari (or other internet browsers) on your device and type in projector’s IP address.
Step 3.When the following page shows up, tap Wi-Fi AP—Scan—Forget. You should notice that the
current Wi-Fi disappear in the projection interface.
Step 4: Follow the Wi-Fi connection instruction to connect to a new Wi-Fi.
Trust This Computer?
Your settings and data will be accessible
from this computer when connected
wirelessly or using a cable.
Trust Don’t Trust
Please note:
a. If other mobile devices have been connected to your
home WiFi, then it can be directly "Screen Mirroring"
connected to the projector.
b. Next time you just need to open "Screen Mirroring" on
your connected device and click "RKcast-XXXXXX" to
connect to the projector.
For Android Phone (Android system)
App Installation and Download Guide
Step 1. Turn on the projector and press the “S” key to select Screen Mirroring as the input source.
Step 2. Connect your Android mobile device to the USB-T port of the projector using the original charging
cable. A window will pop up automatically and prompts you to download the App. Please select "VIEW"
to nish the download and installation.
Step 3. Unplug the original cable and reconnect the device. A window will pop up to start the App. Please
select "START NOW".
Step 4. After starting the App, select “OK” in the pop-up windows of “RKCast”. Your device’s screen should
be projected to the wall/screen in a few seconds.
USB Cast?
No installed apps work with this
USB accessory.Learn more about
this accessory at
http://update.rkcast.com/app/usb/
UsbCast.apk
CANCEL VIEW
Please note:
a. The charging cable must be the original cable or a compatible cable, or the screen mirroring may be
unsuccessful.
b. Some mobile devices may not support screen mirroring.
RKCast will start capturing
everything that’s displayed on
your screen.
Don’t show again
CANCEL START NOW
RKCast
Open RkCast when this USB
accessory is connected？
Usb by default for this USB
accessory
CANCEL OK
Note:
Please make sure that the WiFi router's transmit frequency band is 2.4G
(Projector's transmit frequency band is 2.4G)
If not, you could not connect the projector to your WiFi router.
For Android Phone (Android system)
Connect through device conguration if you choose not to the use the App
Step 1. Turn on the projector and press the “S” key to select Screen Mirroring as the input source.
Step 2. Go to the “Settings” on your device, nd “Developer Options” and turn on the “USB Debugging.”
Note：The steps to turn on “Developer Options” may vary among Android devices. Please contact our
customer service if you have questions about this step.
Example: Samsung Galaxy S8+
Go to the “Settings” and follow About Phone—Software Information—Build Number. Tap “Build Number”
for several times until it shows “Developer mode had been turned on”. Go back to the “Settings” and it
should show “Developer Options” now.
Step 3. Connect your Android mobile device to the USB-T port of the projector with the original charging
cable.
Step 4. Select “OK” in the pop-up windows of “Allow USB debugging?”. Your device’s screen should be
projected to the wall/screen in a few seconds.
Allow USB debugging?
USB debugging is intended for development
purposes only.It can beused to copy data
between your computer and your device,
install application,and log data.
CANCEL OK
Please note:
a. The charging cable must be the original cable or a compatible cable, or the screen mirroring may be
unsuccessful.
b. Some mobile devices may not support screen mirroring.
Allow USB debugging?
The computer’s RSA key fingerprint is:
9D:BF:CE:3E:80:D7:12:89:2A:6E:1D:
30:74:5E:34:7B
Always allow from this computer
CANCEL OK
2.6-14.5Feet
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