Luoran M4 User manual
Key Diagram
Basic Settings
Power: In shutdown state, press and hold for 3
seconds to turn on. In the boot state, long
press for 3 seconds to activate the shutdown
options: Power off, Restart, Airplane mode.
Short press to turn off/on the screen.
Volume +/-: up/down the volume.
USB-C Port: Used for Charging and File transfer.
Reset: Long press it for 3 seconds, the device
will be restored to factory settings.
Back: Click to come back to the previous page.
Home: Click to come back to the homepage.
Long press to open the background process
management (Recently used apps) swipe
left/right to remove the selected process.
SD Slot: Expand the storage of the device,
maximum support 512g TF/ Micro-SD card.
3.5mm Output: Connect your headphones or
external speakers.
Upload from your computer
█Use the included USB cable to connect the
player to your computer. The computer will
automatically recognize the device and install
the driver. After the installation is successful,
click "My Computer", you will find an MTP
device named "M4" in the list of devices and
drives, click on it to access the player's
internal/external SD card and its folders.
█Copy the downloaded music or videos,
e-books, and other files from your computer
and paste them into the folder here, just like
using a normal USB flash drive.
Tips: If you are a Mac device, please download
the MTP device file transfer software before
proceeding with the above operations. The
recommended software is as follows:
OpenMTP: https://openmtp.ganeshrvel.com/
MacDroid: https://www.macdroid.app/
Upload from your cellphone
Upload music or video to the player via your
smartphone, and require your phone to install
the specified App.
MiniShare (for Android phone)
Scan the following QR code to download and
install MiniShare.
ZapyaGo (for iPhone)
Search for “Zapya Go” in the AppStore or scan
the following QR code to download and install
ZapyaGo.
Common Faults and Solutions
█The music player can’t be charged.
In the off state, when the USB cable is
connected for charging, the player usually will
light up and display the brand logo and
remaining battery.
Tips: due to the limitation of the charging
protocol, you can only: Using a USB A to C
cable, you can connect to a computer or a USB
adapter to charge the player.
Troubleshooting:
▸Check whether it is caused by poor contact.
In most cases, charging failure is caused by
poor contact. You can repeatedly plug and
unplug the USB cable to test whether the
charging can be resumed. If it can be charged
at a certain moment, it indicates that there is
poor contact.
▸Check whether USB port is damaged.
Connect the player to a computer with an
available USB port by using a proven USB cable.
If the fault persists, it indicates USB port of the
player has been damaged.
▸Check if the USB cable is damaged.
You can replace a proven USB cable to connect
the player to check whether it can be charged.
If it can, it means that the previous cable has
been damaged. You can also use the USB cable
to try to charge other devices, such as
cellphones, to check whether it can charge
other devices. If not, it means also that the
cable has been damaged.
If it is confirmed that both the USB cable and
the charging port are normal, it can be
determined that it is the fault of the player
itself. Please contact after-sales support for
replacement or refund.
█Nothing happens when the player is
connected to the computer with a USB cable.
Usually, use a USB cable to connect the player
to the computer, the top of the player will
appear with 2 icons: and . And an MTP
device named M4 will appear in the drive list
of your computer.
Troubleshooting:
▸Check whether it is caused by poor contact.
In most cases, such failure is caused by poor
contact. You can repeatedly plug and unplug
the USB cable to test whether the connection
can be resumed.
▸Check whether the USB port is damaged.
Connect the player to a computer with an
available USB port by using a proven USB cable.
If the fault persists, it means the USB port of
the player has been damaged.
▸Check if the USB cable is damaged.
You can replace a proven USB cable to connect
the player to check if the connection can be
restored. If it can, it means that the previous
cable has been damaged.
▸You can also try to use the USB cable to
connect to other devices. If there is also no
response, it means also that the USB cable has
been damaged.
█FM radio cannot be turned on.
Usually, you need to connect a wired headset
to use it as an antenna. In addition, the
playback effect of FM Radio will be affected by
the location and the strength of the signal.
Troubleshooting:
▸The FM radio needs to be plugged into a
wired headset/headphones as an antenna to
turn on. If the headset is plugged in and the
fault persists, it is likely that the 3.5mm port is
in poor contact. Please replace one headset
and try again.
█I want to delete some unnecessary apps,
how to do it?
Long press the App you want to delete on the
desktop and drag it to the trash icon at the top
of the window, and then confirm to delete. The
Apps you can delete include: FM radio,
Recorder, Ebook, Video, Browser.
Warning:
▸Deleting the app is IRREVERSIBLE. Unless
you reset the device to factory settings.
▸If you just don’t want to use an app for the
time being, you can disable it in
"Settings--Disable App", instead of deleting it.
█How do I add lyrics？
Both the AIMP Player and the original music
player app. do not support lyrics playback,
even the built-in lyrics.
█How do I play audiobooks？
Upload the TXT file to the books folder, then
open the file, tap the book page, the selection
box that pops up below has a speaker button,
click to play.
Regarding the settings of TTS, please click
Settings --- Language & input --- Speech for
basic settings.
Specification
Bluetooth version：
4.2
Product Size:
107 x 62 x 10.2 mm
Weight:
130g
Screen Size:
4.0 inch (480 x 800 Pix)
Battery Capacity:
1500mAh
Input:
5V=1A
Charging Time:
120 Minutes
Internal Memory:
1G RAM+8GB ROM
Expansion slot:
Micro SD/TF Card (up to
512GB)
Music format:
MP3, OGG, APE, FLAC,
WAV, AAC, M4A, M4R,
MP2, AMR, ACELP
Video format:
AVI, MKV, MPG, MPEG,
RM, RMVB, VOB, MOV,
FLV, ASF, DAT, MP4, 3GP
Photos format:
JPEG, BMP, GIF
Ebook format:
EPUB, TXT, PDF, DOCX,
FB2, MOBI
Recording format:
3Gpp
FM Receiving
Frequency:
87.5 MHz ~ 108 MHz
More Specific Details
About Audio:
Sampling rates supported: 8kHz to 48kHZ
Sample formats supported: 8-bit/16-bit,
Mono/Stereo
Interfaces supported: DAI. 12S. PCM
Proprietary audio post-processing technologies:
BesLoudness.
Audio encode: AMR-NB, AMR-WB, AAC, OGG,
ADPCM
Audio decode: WAV, MP3, MP2.AAC. AMR-NB,
AMR-WB, MIDI Vorbis, APE.AAC-plus v1,
AAC-plus v2, FLAC, ADPCM
About Video:
H.264 decoder: Baseline 1080p
@30fps/40Mbps
Sorenson H.263/H.263 decoder: 1080p@
30fps/40Mbps
MPEG-4 SP/ASP decoder: 1080p
@30fps/40Mbps
DIVX4/DIVX5/DIVX6/DIVX HD/XVID decoder:
1080p @ 30fps/40Mbps
VP8 decoder: 1080p @30fps/6Mbps(SW)
VC-1 decoder: 1080p @30fps/20Mbps (SW)
MPEG-4 encoder: Simple profile D1 @ 30fps
(SW)
H.263 encoder: D1@30fps (SW)
Warning
Do NOT leave the device in an environment
where the temperature is too low or too high
(below -10°C or above 50°C) for a long time.
Extreme temperature environments will cause
the device to deform and shorten its service
life of the device.
▸Do not use the equipment under
thunderstorm weather;
▸Do not place the device in the water;
▸Do not expose the equipment to the sun for
a long time.
Term & Condition of Warranty
Thank you for purchasing our products. You
will enjoy the following services when using
this product.
▸Warranty period: Within one year from the
date of sale.
▸Warranty scope: Limited to the product host.
▸Warranty terms:
1.Within 1 year after purchase, failure or
damage caused by product quality problems
can be replaced for free or full refund.
2.Accessories are not included in the
warranty, such as USB cable, earphones, etc.,
but if quality problems occur within 7 days
after purchase, they can be replaced for free.
The following conditions are not covered by
the warranty.
▸Out of the warranty period.
▸It has been disassembled or repaired
privately by the customer.
▸Man-made damage, accidental damage or
deformation.
▸Failure caused by installation and use in
abnormal environments such as high
temperature, high pressure, and humidity.
▸Damage caused by natural disasters such as
lightning strikes, floods, and earthquakes.
After-Sales Service
Email: hgd_us@163.com
If you have any questions about the product,
please feel free to contact us. We promise to
reply you as soon as possible within 24 hours.
5m
Thank you
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