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Search in all FAQs
Screen&Touch
Scratches on the monitor
Why do water ripples appear on the screen when it is pressed?
Why doesn't the touchscreen work when I slide to unlock?
The device screen is blurry, unresponsive, unresponsive, or flickering.
The device screen cannot display properly.
There is a ghost image in the middle of the screen, showing remnants of other menus, but the display is rather faint.
screen shattered
Screen flickering/black spots/accidental touches/lines
Secondary screen not displaying
Touchscreen response screen jump
Why does my phone screen brightness sometimes fail to adjust automatically?
Black screen during call
Why can't the stylus draw thick lines based on the pressure applied?
Why is the touch sensitivity at the edge of the Smini screen so poor?
I bought a T20 mini Pro a couple of days ago, and now the screen is jumping around randomly. When I press the back button, it responds in other places, and even when I don't do anything, it starts typing on the software keyboard.
Touch has no effect
Touch unresponsive
The T30 Pro and T30 Max only have a resolution of 2560*1600, so why are they called 2.5K or 4K screens?
System
How to move desktop icons
How to change the system language
Keep restarting automatically
System cannot be upgraded
Why is my phone (tablet) model running Android 13, while the model you're selling now runs Android 14? Can my phone (tablet) be upgraded to Android 14?
My phone (tablet) is currently running Android 10. Can I upgrade it to Android 12?
Over time, the system slows down and becomes unresponsive.
Occasionally, the computer will restart automatically.
Occasionally, the system will freeze or crash.
Screen always-on time settings
Opening "Settings" stops the response.
How often should the firmware version be updated? How often should patches be released? How often should the platform version be upgraded?
What is system settings and permission management? How do I use it?
The tablet I bought was supposed to have 15GB of RAM, but I only received 8GB.
The T10 PLUS shipped with 15GB of RAM, which is inconsistent with the advertised 20GB.
The S110 ships with 22GB of RAM, but the packaging label says 20GB, which is inconsistent with the advertised specifications.
Does it support Android auto function?
How to use the split-screen function
Backlight on, black screen, won't turn on / stuck on logo / won't charge / automatically restarts
After upgrading the system, the battery level only shows 5 bars, not the percentage. Also, when there's only one bar of battery left, the screen dims and the sound gets quieter, and I can't adjust the settings.
Dear Sir/Madam, I am concerned about Israel's recent terrorist attack on civilians in Lebanon using a remote-controlled decoy device. For my safety and that of my loved ones, I would like to confirm that Israel is not involved in the manufacturing or supp
DK10 upgraded to the EU version of the system in July, and now the online upgrade cannot detect the new version.
The upgrade package could not be installed during online upgrade, and the error message "Install fail Reason: 20" appeared.
Booting
It kept searching for updates on first boot.
The equipment is not turned on.
If you cannot boot after restoring factory settings or upgrading the system:
The computer requires a password to boot.
The computer stops booting up on the logo screen.
The boot screen displays many parameters (Recovery mode).
The system repeatedly boots up to the small logo text screen.
Automatic shutdown
Calling&SMS
There was an echo during the call.
Cannot hear the other party's voice during the call
The other party cannot hear the sound during the call.
There was an incoming call, but the other party heard a message indicating that the phone was switched off or was already on another call.
The probability of intermittent call audio, volume decreasing, or no sound.
Low or noisy call volume
There was noise during the call.
Some nuisance calls cannot be stopped.
Call dropped, interrupted
Do Doogee phones or tablets support VoWiFi?
Most calls are forwarded directly to voicemail, and I've already changed my SIM card three times.
Unable to receive verification SMS
Incoming calls cannot be made when the phone screen is off, but can be made when the screen is on.
SIM&ESIM&SD
The SIM card tray is damaged and cannot recognize the SIM card.
SIM card or TF card cannot be removed
There are two SIM card slots, one of which is not working.
Which external storage card formats are supported?
SD card cannot be read
Only EIM for Europe is found. EIM for Asian countries is not available.
The free QR code cannot be used after downloading.
How do I download an eSIM?
How to delete an eSIM
How do I switch eSIM cards?
How do I purchase an eSIM and eSIM data?
How do I top up my eSIM?
Unable to access the internet after downloading purchased products
Purchase activation failed.
QR code download failed
Esim does not recognize EID: null
ESIM Store email registration failed.
Mobile Network
It got stuck when I was using it online.
My phone (tablet) can't find a mobile network signal.
There is a signal, but I can't use the data network.
Unable to connect to 4G/5G network or 4G/5G logo not displayed
A certain country or region does not support 4G or 5G.
When connected to the network, the system freezes and becomes slow to respond.
Can Doogee phones or tablets use **carrier SIM cards?
What causes buffering/cuttering when playing online videos?
3G/4G internet signal is too poor
WIFI
My phone (tablet) cannot share the network when connected to my computer.
When a mobile phone is used as a Wi-Fi hotspot to share internet access, the mobile data connection drops and the phone becomes unusable when a call is received.
Unable to connect to WIFI or no network after connection
Bluetooth
Cannot find Bluetooth on other phones
Possible reasons for inability to connect with other Bluetooth devices
Unable to connect to Bluetooth devices
The device can detect the car, but cannot pair it.
I can't listen to music after connecting Bluetooth headphones.
When connecting to Bluetooth devices such as headphones and speakers, the sound is intermittent.
Unable to connect to car Bluetooth
Does Bluetooth support AVRCP (Audio/Video Remote Control Protocol)?
Camera&Photo Album
What is the visibility range (in meters) of the S99 night vision system?
What is the default save path for photos/videos? How do I change it?
Sometimes it focuses quickly, sometimes it focuses slowly.
Light halo appears when shooting lights at night.
The camera cannot be turned on.
Why is the rear secondary camera on the T20 mini not working?
The camera takes pictures in reverse.
Front-facing camera image distortion
Photos taken with the front-facing camera are distorted.
The front-facing camera is blurry.
Vertical stripes flicker or water ripples appear when taking photos.
Blurry photo
No photos allowed
The S100-M22 108MP webcam produces photos that are significantly worse than those taken with my current 64MP camera.
The advertised thermal imaging resolution is 1440*1080, but the customer believes it to be 256*192.
What is the range of the mobile phone's biometric temperature measurement? What is the measurement distance?
Photos taken by the camera have distorted colors and color casts.
Why does the camera body get hot after taking photos or videos for a while?
The Fire 6/Blade 10 Max phone camera is rated at 50MP, so why is the test result 12.6MP?
Speaker
My phone suddenly went silent.
Speaker noise/no sound
Poor sound quality when playing music
I bought two U10 units, but one has both speakers working while the other only has one. (This question is only applicable to the U series.)
Microphone
Microphone plugged into headphone jack not recognized
Battery
My phone (tablet) is getting unusually hot.
Battery operating time at 0 degrees Celsius
Fast power consumption
The battery caught fire, exploded, and emitted a burning smell.
The V30's battery power is only around 30W according to AnTuTu's battery test, failing to reach 66W.
Charging with a power bank is slow.
Wireless charging cannot charge
Why does it suddenly prompt that a standard charger is required for fast charging when using the original charger?
Why do phones charge slowly when the ambient temperature is high and the air temperature rises?
Phone/tablet not charging
What is reverse charging?
The device shows it's charging, but the battery level isn't changing.
Why does the device charge slowly when it's almost fully charged?
Device restarts repeatedly while charging
Slow charging
APP
The app icon cannot be found.
Application installation failed
Unable to open an installed application
How to use app clones
Third-party applications cannot be installed on the SD card
The app installation failed and a parsing error occurred.
The application crashes/freezes.
Questions about installing apps from the Google Play Store on mobile phones and tablets
After the software system update, the browser displays a blank page.
Video&Music
Unable to play 1080P videos
Accessories
The keyboard that is compatible with the tablet cannot be connected.
Is the keyboard powered by batteries?
When I plug in the power adapter to charge the tablet, the keyboard disconnects and only reconnects after I restart the tablet.
The flash drive (USB flash drive) cannot be read.
The tablet is connected to a Bluetooth keyboard, but data cannot be read when connected to a computer via data cable.
Connected Devices > PC-USB > Unable to connect to multimedia device (MTP)
The portable storage device failed to connect to the phone via OTG cable.
How to use OTG
The USB drive is connected via docking port (with a leather case and keyboard), but cannot be read using OTG.
Why can't the earphone and charging port of a 2-in-1 OTG cable be used at the same time?
Why does the phone use its built-in microphone instead of the headset microphone when making a call via a Type-C adapter connected to headphones?
Other Phone and Tablet Issues
Unable to recognize fingerprints
The compass is shaking.
The compass is inaccurate.
How to transfer files from an old device to a new phone or tablet?
Why does the flashlight automatically turn off, and why can't I use the flashlight with the camera?
Is the radio reception low or is there noise?
Why does a radio need to be connected to headphones to be used?
The radio doesn't work when headphones are plugged in.
Have your rugged phones and tablets passed MIL-STD-810H certification?
Does the tablet support an HDMI interface?
Why can't I use the face unlock function on my T30 MAX?
Water damage rendered it unusable
Can a rugged aircraft withstand salt water?
What does IP 68 waterproof mean?
Headphones don't work
Gravity sensor not working
The proximity/light sensor is not working.
The power button is missing on the U10/U9 model, and the back cover is cracked or detached.
Sometimes the NFC function fails to scan, indicating it's not sensitive.
How to check a device's IMEI or MEID
Inaccurate GPS positioning/slow search speed
After upgrading SPUNK to the new system, the breathing light effect is no longer present when playing songs?
Headphone Usage Guide
Are the headphones waterproof?
How to transfer files
How do I connect headphones to two devices?
How do I switch devices?
How do I connect it to my laptop?
How to reset?
Will resetting delete MP3 audio files?
What precautions should be taken when using swimming headphones underwater?
Can it be used in the bathroom?
How many songs can a 32GB/64GB memory module store?
How long does the battery last?
What are the packaging accessories?
Can it be used plugged in without relying on batteries?
How long does it take to charge?
Is the battery replaceable?
How does the charging indicator light work? What do the different colored lights mean?
What Bluetooth versions and Bluetooth decoding methods are supported?
Will it automatically shut down after I stop using it for a period of time?
Do you have a microphone?
How do I adjust the headphone EQ?
Is there an app?
What is the Bluetooth connection range?
Is the headphone playback intermittent?
What should I do if I can't find the pairing name in the Bluetooth device list?
The speaker won't turn on?
Unable to charge?
What is the battery capacity?
Is it compatible with Alexa devices, TVs, iPads, laptops, etc.
The headphone volume is low.
Headphone troubleshooting
Bone conduction headphones cannot be turned on or cannot remain on.
Bone conduction headphones cannot be charged
Bone conduction headphones cannot connect via Bluetooth or be found by other devices.
Can't hear the other person when making a call using bone conduction headphones, but music plays normally.
Bone conduction headphones have absolutely no sound, whether making calls or listening to music, or there is no sound on one side of the earpiece.
Bone conduction headphones produce intermittent sound when submerged in water.
The microphone on the bone conduction headphones is not working.
Common Watch questions
Mobile app failed to search for watch
Bluetooth keeps disconnecting
Bluetooth connection failed?
The device keeps connecting and disconnecting?
Why isn't the data syncing after connecting via Bluetooth?
I've set up notification alerts, but my device isn't receiving them?
Do I need to keep my phone's Bluetooth on all the time when wearing the device?
How do I synchronize the data?
Why is the step count inaccurate?
How do I use the watch face upload function?
When switching between indoor and outdoor running, the heart rate is slightly delayed, and the resting heart rate is inaccurate.
Received a faulty device that cannot be powered on.
The heart rate monitor stopped working after wearing it for a period of time.
No sleep records or inaccurate records
Watch cannot be charged
Swiping left or right on the watch does not switch pages.
Can other apps be installed on a watch? Like Google apps?
How long is the battery life?
Is it possible to reply to text messages using a watch?
What is the maximum distance between a mobile phone and a watch?
Does the watch have payment functionality?
Can a watch display body temperature?
Can this watch control audio apps?
Can I view apps like Instagram or Twitter on it? Or does it only show notifications?
Is it compatible with a certain mobile phone?
Can more watch faces be downloaded on the watch?
Is it possible to set the date if I don't have a smartphone?
Does the watch support wireless charging?
Does the watch have a camera function?
Is the watch waterproof?
Is the screen made of glass or plastic?
Is it possible to switch to a specific language?
Click to view the navigation menu
Q：How do I adjust the headphone EQ?
A：There is no app available, so the EQ cannot be adjusted.
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About DOOGEE
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