1. Introducció
Welcome to the user manual for your new Bold K20 smartphone. This guide provides comprehensive instructions to help you set up, operate, and maintain your device. Please read this manual carefully to ensure optimal performance and longevity of your Bold K20.
The Bold K20 is designed to offer a seamless and powerful mobile experience, featuring an all-day battery, a vibrant 6.7-inch HD+ Infinity Dot Display, a versatile triple 50MP camera system, and ample storage. It operates on Android 14 and is unlocked for use with compatible GSM carriers.
2. Producte acabatview
The Bold K20 is a feature-rich smartphone built for performance and style. Key highlights include:
- Visualització: 6.7-inch HD+ Infinity Dot Display (720x1600 Resolution, 261ppi)
- Càmera: Triple 50MP Main Camera with Flash, 13MP Selfie Camera
- Emmagatzematge i RAM: 256GB Internal Storage, 4GB RAM, with MicroSD Slot for Expandable Storage
- Processador: Unisoc T7200 12nm ARM Cortex A75 1.6GHz Octa-Core
- Bateria: Massive 5,000mAh Super Battery with 22.5W Quick Charge
- Sistema operatiu: Android 14
- Seguretat: Sensor d'empremtes dactilars de muntatge lateral
- Connectivitat: GSM Unlocked, 4G Cellular Technology

Image: Key features of the Bold K20 smartphone, including display, camera, storage, battery, and fingerprint sensor.
3. Què hi ha a la caixa
Upon unboxing your Bold K20, you should find the following items:
- Bold K20 Smartphone
- Caixa resistent i transparent
- Carregador
- Cable tipus C
- SIM Key
- Guia ràpida
- Adhesiu

Image: Contents of the Bold K20 retail box, showing the phone, clear case, charger, USB-C cable, SIM key, and documentation.
4. Configuració
4.1. Inserció de la targeta SIM
The Bold K20 supports a single SIM card. To insert your SIM card:
- Localitza la safata de la targeta SIM al lateral del telèfon.
- Insert the provided SIM key into the small hole next to the tray and gently push until the tray ejects.
- Place your Nano-SIM card into the tray, ensuring the gold contacts face down and the notched corner aligns correctly.
- Empenyeu amb cura la safata cap al telèfon fins que encaixi al seu lloc.
Note: This device is GSM unlocked and compatible with carriers like T-Mobile and Metro PCS. It is not compatible with AT&T/Cricket new activations or CDMA networks like Verizon. Please consult your service provider for network compatibility.
4.2. Assistent d'encesa inicial i configuració
Per encendre el dispositiu per primera vegada:
- Press and hold the Power button (located on the side) until the BLU logo appears.
- Follow the on-screen instructions to complete the initial setup wizard. This includes selecting your language, connecting to a Wi-Fi network, accepting terms and conditions, and signing in to your Google account.
4.3. Setting Up the Fingerprint Sensor
The Bold K20 features a side-mounted fingerprint sensor for quick and secure access.
- Vés a Configuració > Seguretat i privadesa > Desbloqueig del dispositiu > empremta digital.
- Follow the prompts to register your fingerprint. You will be asked to lift and press your finger multiple times on the sensor until the registration is complete.
- You can register multiple fingerprints for convenience.

Image: Close-up of the side-mounted fingerprint sensor on the Bold K20, highlighting its location for secure unlocking.
5. Instruccions de funcionament
5.1. Navegació bàsica (Android 14)
Your Bold K20 runs on Android 14, offering an intuitive user experience. Common gestures include:
- Llisca cap amunt: To access the app drawer.
- Llisca cap avall: To open the notification shade and quick settings panel.
- Toca: Per seleccionar un element o obrir una aplicació.
- Premsa llarga: Per accedir a menús contextuals o moure icones d'aplicacions.

Image: The number 14, representing the Android 14 operating system on the Bold K20.
5.2. Fer trucades i enviar missatges
Fes servir l'aplicació Telèfon per fer trucades i l'aplicació Missatges per a SMS/MMS. Assegura't que la targeta SIM estigui activa i que tingui cobertura de xarxa.
5.3. Gestió d'aplicacions
You can download new applications from the Google Play Store. To manage installed apps, go to Configuració > Aplicacions. From here, you can uninstall, force stop, or clear data for individual applications.

Image: Visual representation of the Bold K20's 256GB internal storage and 4GB RAM, emphasizing its capacity for apps and media.
6. Característiques de la càmera
The Bold K20 is equipped with a powerful triple camera system to capture your moments:
- Càmera principal: 50MP sensor for stunning detail and clarity.
- Auxiliary Lenses: Additional lenses to enhance various shooting scenarios (e.g., depth, macro).
- Càmera selfie: 13MP front-facing camera for high-quality portraits and video calls.
Open the Camera app to access various modes, including Photo, Video, Portrait, and more. Experiment with different settings to capture breathtaking landscapes, intricate details, and picture-perfect selfies.

Image: Depiction of the Bold K20's powerful triple camera system, highlighting the 50MP main camera and 13MP selfie camera.
7. Bateria i càrrega
Your Bold K20 is powered by a large 5,000mAh battery, designed to provide all-day power. It also supports 22.5W fast charging to get you back to full power quickly.
- Càrrega: Use the provided Type-C cable and charger for optimal charging speed.
- Optimització de la bateria: To extend battery life, reduce screen brightness, disable unnecessary background apps, and turn off Wi-Fi/Bluetooth when not in use.

Image: Visual representation of the Bold K20's 5000mAh battery capacity, with a charging icon on the phone screen.
8. Connectivitat
The Bold K20 offers robust connectivity options:
- Operador sense fil: Unlocked for GSM networks.
- Tecnologia cel·lular: Supports 4G for fast mobile data.
- Wi-Fi: Connecteu-vos a xarxes sense fil per accedir a Internet.
- Bluetooth: Emparella amb auriculars sense fil, altaveus i altres dispositius.
9. Especificacions
Detailed technical specifications for the Bold K20:
| Característica | Especificació |
|---|---|
| Nom del model | K20 (G1050WW, G84) |
| Sistema operatiu | Android 14 |
| Mostra | 6.7-inch HD+ Infinity Dot Display (720x1600) |
| Processador | Unisoc T7200 12nm ARM Cortex A75 1.6GHz Octa-Core |
| Emmagatzematge intern | 256 GB |
| RAM | 4 GB |
| Càmera principal | Triple 50MP |
| Càmera Selfie | 13MP |
| Capacitat de la bateria | 5000 mAh |
| Carregant | Càrrega ràpida de 22.5 W |
| Connectivitat | 4G Cellular, Wi-Fi, Bluetooth |
| Ranura per a targeta SIM | SIM única |
| Dimensions | 7.36 x 3.94 x 2.2 polzades (paquet) |
| Pes de l'article | 1.01 lliures |
| Color | Borgonya |
10. Solució De Problemes
If you encounter issues with your Bold K20, try the following common troubleshooting steps:
- El dispositiu no respon: Premeu i manteniu premut el botó d'engegada durant uns 10-15 segons per forçar un reinici.
- Problemes de xarxa:
- Assegureu-vos que la targeta SIM estigui inserida correctament.
- Comproveu si el mode avió està desactivat.
- Comproveu la cobertura de la xarxa a la vostra zona.
- Reinicieu el telèfon.
- Esgotament ràpid de la bateria:
- Redueix la brillantor de la pantalla.
- Tanca les aplicacions no utilitzades que s'executen en segon pla.
- Disable Wi-Fi, Bluetooth, and GPS when not needed.
- Comprova l'ús de la bateria a Configuració per identificar les aplicacions que consumeixen molta bateria.
- Les aplicacions es bloquegen/es bloquegen:
- Esborra la memòria cau i les dades de l'aplicació (Configuració > Aplicacions > [Nom de l'aplicació] > Emmagatzematge i memòria cau).
- Actualitza l'aplicació a la darrera versió des de Google Play Store.
- Reinstal·la l'aplicació.
- El sensor d'empremtes dactilars no funciona:
- Assegureu-vos que el vostre dit estigui net i sec.
- Re-register your fingerprint in Settings.
For more complex issues, consider performing a factory reset (backup your data first) or contacting customer support.
11. Garantia i Suport
Your Bold K20 comes with a US Warranty. For specific warranty terms and conditions, please refer to the documentation included with your purchase or visit the official BLU weblloc.
For further assistance, technical support, or to explore more BLU products, please visit the official BLU Store:





