Rhagymadrodd
This manual provides essential information and instructions for the Blackview Tab 20 WiFi tablet. Please read this manual carefully before using your device to ensure proper operation and to maximize its features. Keep this manual for future reference.
Beth Sydd yn y Bocs
Gwiriwch fod yr holl eitemau yn bresennol yn y pecyn:
- Duview Tabled WiFi Tab 20
- TPU Protective Case
- Llawlyfr Defnyddiwr
- Addasydd Pŵer
- Cebl USB
Note: The user manual included in the box may not be in English. This digital manual provides English instructions.
Cynnyrch Drosview
Familiarize yourself with the key components and features of your Blackview Tab 20 WiFi tablet.

Ffigur 1: Blaen view o'r Duview Tab 20 WiFi tablet, showing the display and front camera.

Ffigur 2: Yn ol view o'r Duview Tab 20 WiFi tablet, highlighting the rear camera module.

Ffigur 3: Ochr view o'r Duview Tab 20 WiFi tablet, illustrating the USB Type-C charging port.

Ffigur 4: Ochr view o'r Duview Tab 20 WiFi tablet, showing the dual speaker grilles.
Nodweddion Allweddol:
- Gemini AI 2.0: Integrated AI assistant for intelligent control and real-time interaction.
- 10.1-inch HD+ Display: Expansive screen with 800 x 1200 pixel resolution for clear visuals.
- Dual Box Speakers: Enhanced audio experience with Smart-K powered dual speakers.
- Camerâu: Camera cefn 8MP a chamera blaen 5MP ar gyfer lluniau a galwadau fideo.
- Cof a Storio: Up to 12GB RAM (4GB physical + 8GB expansion) and 64GB internal storage, expandable up to 2TB via microSD.
- Batri 6000mAh: High-capacity battery designed for extended usage.
- Eye Protection Modes: Three dedicated modes (Reading, Night Light, Dark) to reduce eye strain.
- UNISOC T310 Processor: Quad-core processor for smooth multitasking and performance.
Gosod
- Codi tâl ar y Dabled:
Before first use, fully charge the tablet using the provided power adapter and USB cable. Connect the USB cable to the tablet's Type-C port and the adapter to a power outlet. The charging indicator will show the charging status.
- Pŵer ymlaen / i ffwrdd:
To power on, press and hold the power button until the Blackview logo appears. To power off, press and hold the power button, then select "Power off" from the options.
- Gosodiad Cychwynnol:
Follow the on-screen prompts to complete the initial setup. This includes selecting your language, connecting to a Wi-Fi network, setting up your Google account, and configuring facial unlock.
- Mewnosod Cerdyn MicroSD (Dewisol):
If you wish to expand storage, locate the SIM/microSD card tray on the side of the tablet. Use the provided ejector tool to open the tray. Insert a microSD card (up to 2TB) into the designated slot, ensuring correct orientation, then close the tray securely.
Cyfarwyddiadau Gweithredu
Mordwyo Sylfaenol:
- Ystumiau Cyffwrdd: Tapiwch i ddewis, swipeiwch i sgrolio, pinsiwch i chwyddo.
- Sgrin Cartref: Mynediad i apiau, teclynnau a hysbysiadau.
- Panel Hysbysu: Sychwch i lawr o frig y sgrin i view hysbysiadau a gosodiadau cyflym.
Cysylltu â Wi-Fi:
- Ewch i Gosodiadau > Rhwydwaith a rhyngrwyd > Wi-Fi.
- Trowch Wi-Fi ymlaen.
- Dewiswch eich rhwydwaith dymunol o'r rhestr a nodwch y cyfrinair os oes angen.
Using Gemini AI:
Y Duview Tab 20 WiFi integrates Gemini AI 2.0 for intelligent assistance. You can activate it via voice commands or specific gestures (refer to on-screen tutorials during initial setup or in the AI settings). Gemini AI can assist with tasks, provide information, and control smart features.

Ffigur 5: Visual representation of Gemini AI 2.0's integration with various applications and smart controls.
Gweithrediad Camera:
Open the Camera app to capture photos and videos.
- Camera Cefn (8MP): Suitable for general photography and document scanning.
- Camera Blaen (5MP): Yn ddelfrydol ar gyfer galwadau fideo a hunluniau.
Tap the shutter button to take a photo. Switch between photo and video modes as needed.

Ffigur 6: Yn agos view of the tablet's rear and front cameras.
Eye Protection Modes:
To reduce eye strain, activate one of the three eye protection modes:
- Modd Darllen: Adjusts screen color temperature for a paper-like reading experience.
- Modd Golau Nos: Filters blue light to reduce eye fatigue during evening use.
- Modd Tywyll: Inverts colors to a dark theme, reducing brightness in low-light environments.
These modes can typically be found in Gosodiadau > Arddangos or via the quick settings panel.

Ffigur 7: Visual guide to the tablet's eye protection modes.
Cynnal a chadw
- Glanhau: Defnyddiwch frethyn meddal, di-flwff i lanhau'r sgrin a chorff y dabled. Osgowch ddefnyddio cemegau llym neu ddeunyddiau sgraffiniol.
- Diweddariadau Meddalwedd: Chwiliwch am ddiweddariadau system a'u gosod yn rheolaidd i sicrhau'r perfformiad a'r diogelwch gorau posibl. Ewch i Gosodiadau > System > Diweddariad system.
- Gofal Batri: I ymestyn oes y batri, osgoi tymereddau eithafol. Peidiwch â gadael i'r batri ddraenio'n llwyr yn aml.
- Rheoli Storio: Clirio pethau diangen yn rheolaidd filea dadosod apiau nas defnyddir i ryddhau lle storio a chynnal perfformiad.
Datrys problemau
| Problem | Achos Posibl | Ateb |
|---|---|---|
| Nid yw'r tabled yn troi ymlaen. | Batri isel; damwain meddalwedd. | Gwefrwch y dabled am o leiaf 30 munud. Pwyswch a daliwch y botwm pŵer am 10-15 eiliad i orfodi ailgychwyn. |
| Methu cysylltu â Wi-Fi. | Cyfrinair anghywir; problem gyda'r llwybrydd; Wi-Fi wedi'i analluogi. | Ensure correct password. Restart your Wi-Fi router. Check if Wi-Fi is enabled in settings. |
| Mae apiau'n araf neu'n rhewi. | Gormod o apiau yn rhedeg; lle storio isel; meddalwedd sydd wedi dyddio. | Close background apps. Clear cache/data for problematic apps. Free up storage. Update system software. |
| Mae'r batri yn draenio'n gyflym. | High screen brightness; background apps; excessive usage. | Reduce screen brightness. Close unused apps. Limit background data usage. Check battery usage in settings. |
| Facial unlock not working. | Poor lighting; face not recognized; sensor obstruction. | Ensure adequate lighting. Clean the front camera. Re-register your face in settings. |
Manylebau
| Nodwedd | Manylyn |
|---|---|
| Brand | Duview |
| Enw Model | TAB 20 WIFI |
| System Weithredu | Android 15 |
| Prosesydd | UNISOC T310 (Quad-core) |
| HWRDD | Up to 12GB (4GB physical + 8GB expansion) |
| Storio Mewnol | 64 GB |
| Storfa Ehangadwy | microSD slot, up to 2TB |
| Maint Sgrin | 10.1 modfedd |
| Cydraniad Sgrin | 800 x 1200 picsel |
| Camera Cefn | 8 Megapicsel |
| Camera blaen | 5 Megapicsel |
| Gallu Batri | 6000 mAh |
| Cysylltedd | Wi-Fi, Bluetooth, USB Math-C |
| Nodweddion Arbennig | Gemini AI Assistant, Facial Unlock, Google Lens |
| Dimensions (L x W x Thickness) | 24.2L x 16W x 0.9Thickness cm |
| GTIN/UPC | 810154306572 |
Gwarant a Chefnogaeth
Gwybodaeth Gwarant:
Y Duview Tab 20 WiFi tablet comes with a Gwarant Cyfyngedig. Please refer to the warranty card included in your product packaging for specific terms and conditions, including coverage duration and claim procedures. Keep your proof of purchase for warranty claims.
Cefnogaeth i Gwsmeriaid:
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact Blackview customer support. You can typically find contact information on the official Blackview website or through the retailer where you purchased the tablet.
Always provide your product model (TAB 20 WIFI) and serial number when contacting support for faster service.