1. Utangulizi
The Bigme B751C is a 7-inch color E-Ink ebook reader and electronic notebook designed to provide a comfortable reading and writing experience. Featuring a Kaleido 3 Color E-ink Screen, Android 11 operating system, and stylus support, it combines the benefits of an e-reader with the functionality of a tablet. This manual will guide you through the setup, operation, and maintenance of your device.

2. Kuweka
2.1 Kufungua na Malipo ya Awali
Carefully remove all components from the packaging. Before first use, fully charge your Bigme B751C using a standard USB-C charger. The device features a 3050mAh battery.
2.2 Kuwasha / Kuzima
- Kuwasha: Press and hold the power button (usually located on the side or top edge) until the screen illuminates.
- Kuzima: Press and hold the power button, then select 'Power Off' from the on-screen options.
- Ili Kuanzisha Upya: Press and hold the power button, then select 'Restart' from the on-screen options.
2.3 Mchawi wa Kuweka Awali
Baada ya kuwasha kwa mara ya kwanza, kifaa kitakuongoza kupitia mchakato wa usanidi wa awali:
- Uteuzi wa Lugha: Choose your preferred language from the 53 supported languages.
- Muunganisho wa Wi-Fi: Connect to a 2.4G or 5G Wi-Fi network to access online features, Google Play, and cloud services.
- Usanidi wa Akaunti ya Google: Sign in with your Google account to enable Google Play Store access and synchronize data.
2.4 Stylus Usage
The Bigme B751C comes with a capacitive stylus that supports 4096 levels of voltage sensing for precise writing and drawing. No special pairing is typically required; the stylus should work directly with the screen.
2.5 Kupanua Hifadhi
The device includes 64GB of internal memory. You can expand storage up to 1TB using a TF (microSD) card via the dedicated slot.
3. Maagizo ya Uendeshaji
3.1 Urambazaji Msingi
The device features a touch screen for intuitive navigation. Swipe, tap, and pinch gestures are used to interact with the interface, open applications, and control content.
3.2 Uzoefu wa Kusoma
The Bigme B751C supports a wide range of document formats, including TXT, PDF, EPUB, FB2, AZW3, DJVU, CBZ, CBR, ZIP, RTF, HTM, HTML, MOBI, DOC, DOCX, XLS, XLSX, PPT, and PPTX.
- Taa ya Mbele Inayoweza Kurekebishwa: Customize your reading environment with 36 levels of warm and cold light. This feature helps protect your eyes and ensures comfortable reading in various lighting conditions.

- Enhanced Reading Tools: While reading, you can utilize features such as highlighting, dictionary lookup, text copying, annotations, Wiki search, and translation. Content can also be shared via Bluetooth, Mail, or OneNote.

- Offline Reading: Download your favorite books and documents for reading without an internet connection.
3.3 Note-Taking and Productivity
The Bigme B751C functions as an electronic notebook, offering powerful tools for note-taking and drawing.
- Paper-like Writing: Experience a natural writing feel with the included stylus. The device supports a 16-color tool for annotations and creative work.

- Note-Taking Tools: Access various tools for notes, including sync, erase, text input, templates, toolbar, shapes, highlight, insert, lasso, layers, zoom, and canvas.

- Gawanya Utendaji wa Skrini: Improve efficiency by using the split-screen feature to read and take notes simultaneously. Available modes include:
- Current Doc & Another Doc
- Doc & Notepad
- Doc & Translate

- Meeting Record with Summary: The device supports voice instant recording with active noise cancellation. It can convert online voice to text and use AI to organize and record speech and conversations from different participants.

3.4 Sifa za Utendaji
- xRapid Refresh Technology: This technology significantly reduces screen stuttering during low-frequency operations, offering a smoother experience when turning pages or switching applications. The refresh speed can reach up to 12 frames per second.

- Automatic Cleaning Ghosting Technology: Combined with the Kaleido 3 color E-ink screen, this self-developed technology enhances the display quality by automatically cleaning ghosting, providing a better experience for reading comics, browsing websites, and even video streaming.

3.5 Connectivity and Cloud Sync
The device supports Bluetooth BT5.0 and 2.4G+5G Wi-Fi for seamless connectivity. You can sync your notes and documents to the cloud for easy access across devices.

4. Matengenezo
4.1 Kusafisha Kifaa
- Use a soft, lint-free cloth to gently wipe the screen and body of the device.
- Kwa smudges mkaidi, kidogo dampjw.org sw kitambaa chenye maji au kisafishaji kisicho salama kwenye skrini. Epuka kemikali kali au vifaa vya abrasive.
- Usinyunyizie suluhisho za kusafisha moja kwa moja kwenye skrini.
4.2 Utunzaji wa Betri
- Ili kuongeza muda wa matumizi ya betri, epuka kuweka kifaa kwenye halijoto kali.
- Charge the device regularly, but avoid leaving it fully charged or fully depleted for extended periods.
- Use the provided charging cable or a certified USB-C cable.
4.3 Usasisho wa Programu
Periodically check for system updates to ensure optimal performance and access to new features. Updates can usually be found in the device's settings menu under 'System' or 'About device'.
4.4 Usimamizi wa Uhifadhi
Regularly manage your device's storage by deleting unnecessary files or transferring them to cloud storage or an external TF card. This helps maintain device speed and performance.
5. Utatuzi wa shida
5.1 Kifaa Kisichowashwa
- Ensure the device is sufficiently charged. Connect it to a charger for at least 30 minutes.
- Bonyeza na ushikilie kitufe cha kuwasha/kuzima kwa sekunde 10-15 ili uanzishe upya kwa lazima.
5.2 Screen Refresh Issues / Ghosting
- The E-Ink screen naturally has some ghosting. Ensure 'Automatic Cleaning Ghosting Technology' is enabled in settings if available.
- Perform a full screen refresh (often a setting or a specific gesture) if ghosting becomes distracting.
- Adjust refresh modes (e.g., Normal, Fast, Extreme) in settings for different content types.
5.3 Matatizo ya Muunganisho wa Wi-Fi
- Ensure Wi-Fi is enabled on the device.
- Angalia kama kipanga njia chako cha Wi-Fi kinafanya kazi vizuri.
- Try forgetting the network and reconnecting.
- Restart both the device and your Wi-Fi router.
5.4 Stylus Haijibu
- Ensure the stylus tip is clean and undamaged.
- Anzisha tena kifaa.
- Tatizo likiendelea, wasiliana na usaidizi kwa wateja.
5.5 Device Freezes or Becomes Unresponsive
- Press and hold the power button for 10-15 seconds to force a restart.
- If frequent freezing occurs, consider performing a factory reset (Warning: This will erase all data on the device. Back up important files kwanza.).
6. Vipimo
| Kipengele | Vipimo |
|---|---|
| Bidhaa Na. | Bigme B751C |
| Ukubwa wa Kuonyesha | inchi 7 |
| Aina ya skrini | Kaleido 3 Color E-ink Screen |
| Azimio | 1680*1264 B/W; 840*632 COLOR |
| PPI | 300PPI B/W; 150PPI COLOR |
| Mwanga wa mbele | 36 Levels Warm and Cold Light |
| Mfumo wa Uendeshaji | Android 11 Open System |
| CPU | MTK6765 Octa-core 2.3GHz |
| RAM & Internal Memory | 4G RAM + 64G Internal Memory |
| Panua Kumbukumbu | OTG/TF Card Slot (expandable to 1TB) |
| Bluetooth | BT5.0 |
| WiFi | 2.4G+5G WIFI |
| Spika | Msaada |
| Maikrofoni | Msaada |
| Betri | 3050mAh |
| Stylus | Capacitive stylus, supports 4096 levels of voltage kuhisi |
| Voice to Text | Free Voice to Text |
| Lugha | Support 53 Languages |
| Google Play & ChatGPT | Msaada |
| Kamera | Hakuna Kamera |
| SIM Kadi | Sio Msaada |
| Vipimo vya Jumla | 155.7 x 136.2 x 7.0 mm |
| Ukubwa wa skrini | 105.8 x 140.9 mm |
| Uzito | 220g |
7. Udhamini na Msaada
For warranty information, technical support, or service inquiries, please refer to the documentation provided at the time of purchase or contact your retailer. You may also visit the official BIGME website kwa msaada zaidi.
8. Vidokezo vya Mtumiaji
- Optimize Refresh Modes: Experiment with different refresh modes (e.g., HD, Normal, Fast, Extreme) in the settings to find the best balance between display quality and refresh speed for various activities like reading, browsing, or watching videos.
- Utilize Split Screen: For academic or professional tasks, make full use of the split-screen feature to take notes directly alongside your reading material.
- Regularly Back Up Data: Although the device supports cloud sync, it's good practice to regularly back up important notes and documents to your TF card or another cloud service to prevent data loss.
- Explore Google Play: Since the device supports Google Play, you can download a wide array of reading apps, productivity tools, and other applications to enhance your experience.





